George Washington Tryon
Encyclopedia
George Washington Tryon, Jr. (20 May 1838 – 5 February 1888) was an American malacologist who worked at the Academy of Natural Sciences
Academy of Natural Sciences
The Academy of Natural Sciences of Drexel University, formerly Academy of Natural Sciences of Philadelphia, is the oldest natural science research institution and museum in the New World...

 in Philadelphia.

Biography

George Washington Tryon was the son of Edward K. Tryon and Adeline Savidt. In 1853 he attended the Friends Central School in Philadelphia.

In 1859, Tryon became a member of the Academy of Natural Sciences
Academy of Natural Sciences
The Academy of Natural Sciences of Drexel University, formerly Academy of Natural Sciences of Philadelphia, is the oldest natural science research institution and museum in the New World...

 of Philadelphia. He was largely responsible for the construction of new buildings for the Academy, especially, in 1866, a section for malacology. In 1869 he became the conservator in this malacological section.

In 1865, together with a group of American malacologists, he founded (and financed) the American Journal of Conchology. This ended in 1872.

In 1879 he started the Manual of Conchology; structural and systematic; with illustrations of the species, volume 1, series 1. When he died, nine volumes of the first series had been published. For two years, from 1887 until 1888, when he died, his assistant was Henry Augustus Pilsbry
Henry Augustus Pilsbry
Henry Augustus Pilsbry was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a century...

. Thereafter, Pilsbry continued as editor of the ongoing multi-volume Manual of Conchology. The work was continued after Pilsbry's death until 1935. At that date, 45 volumes had been published.

Tryon named more than 5,600 new species, and can be considered as one of the most prolific malacologists. His important collection (more than 10,000 specimens) made the Academy of Natural Sciences of Philadelphia the center of malacological studies in the 19th century.

The freshwater snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

 genus Tryonia
Tryonia
Tryonia is a genus of mostly minute freshwater snails with an operculum. These are aquatic gastropod mollusks in the family Cochliopidae.This genus has been traditionally placed within family Hydrobiidae.-Species:...

is named in his honor.

Manual of Conchology

Manual of Conchology, structural and systematic, with illustrations of the species. The illustrations in this work were created by Dr. E. J. Nolan.

Note: there are old synonyms in names of some volumes.
  • 1879 – Volume 1. Cephalopoda.
  • 1880 – Volume 2. Muricinae
    Muricinae
    Muricinae is a taxonomic subfamily of predatory sea snails, marine gastropod mollusks within the large family Muricidae, the murex snails and rock snails....

    , Purpurinae. 289 pp., 70 plates.
  • 1880–1881 – Volume 3. Tritonidae, Fusidae, Buccinidae
    Buccinidae
    Buccinidae is a very large and diverse taxonomic family of large sea snails, often known as whelks or true whelks.True whelks are mostly marine gastropod mollusks in the clade Neogastropoda...

    . 310 pp., 87 plates.
  • 1882 – Volume 4. Nassidae, Turbinellidae
    Turbinellidae
    Turbinellidae are a family of sea snails, marine gastropod mollusks in the order Neogastropoda.-Distribution:Species in this family are found world-wide, mostly in tropical shallow waters but some in deep waters.- Subfamilies :...

    , Volutidae
    Volutidae
    Volutidae, common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm, marine gastropod mollusks...

    , Mitridae
    Mitridae
    Mitridae, known as mitre shells, are a taxonomic family of sea snails, widely distributed marine gastropod molluscs in the clade Neogastropoda....

    .
  • 1883 – Volume 5. Marginellidae
    Marginellidae
    Marginellidae, or the margin shells, are a taxonomic family of small, often colorful, sea snails, marine gastropod molluscs in the clade Neogastropoda.- Taxonomy :...

    , Olividae, Columbellidae
    Columbellidae
    Columbellidae, common name the "dove snails" or "dove shells" are a family of minute to small sea snails, marine gastropod mollusks in the clade Neogastropoda.-Distribution:...

    .
  • 1884 – Volume 6. Conidae, Pleurotomidae.
  • 1885 – Volume 7. Terebridae
    Terebridae
    The Terebridae, commonly referred to as auger shells or auger snails, are a group or taxonomic family of small to large predatory sea snails, marine gastropod mollusks....

    , Cancellariidae
    Cancellariidae
    Cancellariidae, common name the nutmeg snails or nutmeg shells, are a family of small to medium-large sea snails, marine gastropod mollusks in the clade Neogastropoda...

    , Strombidae
    Strombidae
    Strombidae, commonly known as the true conchs, is a taxonomic family of medium-sized to very large sea snails, marine gastropod mollusks in the superfamily Stromboidea....

    , Cypraeidae
    Cypraeidae
    Cypraeidae, common name the cowries , is a taxonomic family of small to large sea snails. These are marine gastropod mollusks in the superfamily Cypraeoidea, the cowries and cowry allies.-Shell description:...

    , Ovulidae
    Ovulidae
    Ovulidae, common names the ovulids, cowry allies or false cowries, is a family of small to large predatory or parasitic sea snails, marine gastropod molluscs in the superfamily Cypraeoidea, the cowries and cowry allies.-Distribution:...

    , Cassididae, Doliidae.
  • 1886 – Volume 8. Naticidae
    Naticidae
    Naticidae, common name the moon snails, is a family of minute to large-sized predatory sea snails, marine gastropod molluscs in the clade Littorinimorpha.Naticidae is the only family in the superfamily Naticoidea....

    , Calyptraeidae
    Calyptraeidae
    Calyptraeidae, common name the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails are a family of small to medium-sized marine prosobranch gastropods...

    , Turritellidae
    Turritellidae
    Turritellidae, the tower snails, is a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Sorbeoconcha.These snails are filter feeders...

    , Vermetidae
    Vermetidae
    Vermetidae, common name the worm snails or worm shells, is a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Littorinimorpha....

    , Caecidae
    Caecidae
    Caecidae is a taxonomic family of very small and minute sea snails or micromolluscs, marine gastropod molluscs in the order Littorinimorpha.- Habitat :...

    , Eulimidae
    Eulimidae
    Eulimidae is a family of very small parasitic sea snails, marine gastropod mollusks in the superfamily Eulimoidea.These small snails live on or in echinoderms and have a proboscis which they extend into their host's body cavity.-Genera:...

    , Turbonillidae, Pyramidellidae
    Pyramidellidae
    Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs or micromolluscs....

    . 461 pp., 79 plates.
  • 1887 – Volume 9. Solariidae (by William B. Marshall), Ianthinidae, Trichotropidae, Scalariidae, Cerithiidae
    Cerithiidae
    Cerithiidae, common name the cerithiids or ceriths, is a large family of medium-sized marine gastropods in the clade Sorbeoconcha.- Distribution :...

    , Rissoidae
    Rissoidae
    Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the clade Littorinimorpha.-Distribution and habitat:...

    , Littorinidae
    Littorinidae
    Littorinidae is a taxonomic family of over 200 species of sea snails, marine gastropod molluscs in the clade Littorinimorpha, commonly known as periwinkles and found world-wide.-Names:...

    . 488 pp., 71 plates. Note: Solariidae is not a valid family today. (a partial synonym for Architectonicidae
    Architectonicidae
    Architectonicidae, common name the staircase shells or sundials, are a family of sea snails, marine gastropod mollusks in the informal group "Lower Heterobranchia" of the clade Heterobranchia....

    ?) Published in parts:
    • 7 February 1887 – part 33, pages 1–64.
    • 8 June 1887 – part 34, pages 65–128.
    • 2 September 1887 – part 35, pages 129–224.
    • 10 December 1887 – part 36, 36a, pages 225–488.
  • 1888–1889 – Volume 10. Neritidae
    Neritidae
    Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum, marine, brackish water and freshwater gastropod mollusks in the order Neritoida....

    , Adeorbidae, Cyclostrematidae, Liotiidae
    Liotiidae
    Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda .- 2005 taxonomy :...

    , Phasianellidae
    Phasianellidae
    Phasianellidae common name the "pheasant shells" or "pheasant snails" is a family of small sea snails with calcareous opercula, marine gastropod mollusks in the clade Vetigastropoda ....

    , Turbinidae
    Turbinidae
    Turbinidae, the turban snails, are a family of small to large marine gastropods. Turbinidae have a strong, thick calcareous operculum readily distinguishing them from the somewhat similar Trochidae or top snails, which have a corneous operculum...

    , Trochidae
    Trochidae
    The Trochidae, common name top snails, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda ....

    , Stomatiidae, Haliotidae, Pleurotomariidae
    Pleurotomariidae
    Pleurotomariidae, common name the '"slit snails", is a family of large marine gastropods in the clade Vetigastropoda. This family is very ancient; there were numerous species in the geological past. It is currently represented by a group of species that live only in deep water...

    . 322 pp., 69 plates. Published in parts:
    • 16 March 1888 – part 37, pages 1–64.
    • 1 July 1888 – part 38, pages 65–144.
    • 1 October 1888 – part 39, pages 145–208.
    • 3 January 1889 – part 40, pages 209–323.
  • 1889 – Volume 11. Trochidae
    Trochidae
    The Trochidae, common name top snails, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda ....

    , Stomatiidae, Pleurotomariidae
    Pleurotomariidae
    Pleurotomariidae, common name the '"slit snails", is a family of large marine gastropods in the clade Vetigastropoda. This family is very ancient; there were numerous species in the geological past. It is currently represented by a group of species that live only in deep water...

    , Haliotidae. 519 pp., 67 plates. Note: Stomatiidae is a synonym for subfamily Stomatellinae in the family Trochidae.
  • 1890 – Volume 12. continued by Henry Augustus Pilsbry
    Henry Augustus Pilsbry
    Henry Augustus Pilsbry was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a century...

    . Stomatellidae
    Stomatellidae
    Stomatellidae is a family of small marine gastropods now included in the Vetigastropoda.-Taxonomy:In the earlier classification of the Treatise the Stomatellidae was included in the Archaeogastropoda which is now largely abandoned in favor of the more newly defined Vetigastropoda.Stomatellidae is a...

    , Scissurellidae
    Scissurellidae
    Scissurellidae, sometimes known by the common name little slit snails, are a taxonomic family of minute sea snails, marine gastropod molluscs or micromolluscs in the clade Vetigastropoda...

    , Pleurotomariidae
    Pleurotomariidae
    Pleurotomariidae, common name the '"slit snails", is a family of large marine gastropods in the clade Vetigastropoda. This family is very ancient; there were numerous species in the geological past. It is currently represented by a group of species that live only in deep water...

    , Haliotidae, Scutellinidae, Addisoniidae
    Addisoniidae
    Addisoniidae is a family of sea snails, deepwater true limpets, marine gastropod mollusks in the clade Vetigastropoda .- Subfamilies and genera :...

    , Cocculinidae
    Cocculinidae
    Cocculinidae is a family of sea snails, deep-sea limpets, marine gastropod mollusks in the clade Cocculiniformia .- Genera :Genera within the family Cocculinidae include:...

    , Fissurellidae.
  • 1891 – Volume 13. continued by H. A. Pilsbry. Acmaeidae, Lepetidae
    Lepetidae
    Lepetidae is a family of sea snails or small, deep-water true limpets, marine gastropod molluscs in the clade Patellogastropoda the true limpets.- Taxonomy :...

    , Patellidae
    Patellidae
    Patellidae is a taxonomic family of sea snails or true limpets, marine gastropod molluscs in the clade Patellogastropoda.Patellidae is the only family in the superfamily Patelloidea...

    , Titiscaniidae.
  • 1892 – Volume 14. continued by H. A. Pilsbry. Polyplacophora, (Chiton
    Chiton
    Chitons are small to large, primitive marine molluscs in the class Polyplacophora.There are 900 to 1,000 extant species of chitons in the class, which was formerly known as Amphineura....

    s.) Lepidopleuridae, Ischnochitonidae
    Ischnochitonidae
    Ischnochitonidae is an extinct of polyplacophoran mollusc....

    , Chitonidae
    Chitonidae
    Chitonidae is a family of chitons or polyplacophorans, marine mollusks whose shell is composed of eight articulating plates or valves. There are fifteen extant genera in three subfamilies.-Subfamilies and genera:...

    , Mopaliidae
    Mopaliidae
    Mopaliidae is an extinct of polyplacophoran mollusc....

    .
  • 1893 – Volume 15. continued by H. A. Pilsbry. Polyplacophora, (Chiton
    Chiton
    Chitons are small to large, primitive marine molluscs in the class Polyplacophora.There are 900 to 1,000 extant species of chitons in the class, which was formerly known as Amphineura....

    s.) Acanthochitidae, Cryptoplacidae and appendix. Tectibranchiata.
  • 1895–1896 – Volume 16. continued by H. A. Pilsbry. Philinidae
    Philinidae
    Philinidae is a family of medium-sized, sea slugs, marine opisthobranch gastropod mollusks. They are headshield slugs, in the Cephalaspidea.-Genera:Genera within the family Philinidae include:* Johania Monterosato, 1884* Laona A. Adams, 1865...

    , Gastropteridae
    Gastropteridae
    Gastropteridae is a family of sea slugs, gastropod mollusks in the superfamily Philinoidea of the clade Cephalaspidea, the headshield slugs and bubble snails....

    , Aglajidae
    Aglajidae
    Aglajidae is a family of often colorful, medium-sized, sea slugs, marine opisthobranch gastropod mollusks. These are not nudibranchs; instead they are headshield slugs, in the clade Cephalaspidea.-Genera:...

    , Aplysiidae
    Aplysiidae
    The superfamily Aplysioidea is a superfamily of mostly rather large sea slugs, marine gastropod mollusks in the clade Aplysiomorpha within the informal group Opisthobranchia.This superfamily contains only one family, the Aplysiidae; the sea hares...

    , Oxynoeidae, Runcinidae
    Runcinidae
    Runcinidae is a family of medium-sized, sea slugs, marine opisthobranch gastropod mollusks. They are headshield slugs, in the clade Cephalaspidea ....

    , Umbraculidae
    Umbraculidae
    Umbraculidae are a taxonomic family of unusual sea snails or limpets, marine opistobranch gastropod molluscs in the clade Umbraculida.-Genera:Genera within the family Umbraculidae include:* Umbraculum Schumacher, 1817* Spiricella Rang, 1828...

    , Pleurobranchidae
    Pleurobranchidae
    The Pleurobranchidae are a taxonomic family of sea slugs, marine gastropod molluscs in the order Notaspidea.The species in the family Pleurobranchidae have a prominent mantle and an internal shell that becomes reduced or is lost in adults. Some adult species have been seen feeding on ascidians...

    .
  • 1897–1898 – Volume 17. continued by H. A. Pilsbry. Scaphopoda (by H. A. Pilsbry and Dr. Benjamin Sharp), Aplacophora
    Aplacophora
    Aplacophora is a monophyletic group of small, deep-water, exclusively benthic, shell-less marine mollusks found in all oceans of the world. The group comprises the two clades Solenogastres and Caudofoveata , which between them contain 28 families and about 320 species...

    . Index to genera and subgenera, volumes II. to XVII.


Manual of Conchology. Second series: Pulmonata

Manual of Conchology, structural and systematic, with illustrations of the species. Second series: Pulmonata
Pulmonata
The Pulmonata, or "pulmonates", are an informal group of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills...

. Altogether there are 28 volumes:
  • 1885 – Volume 1. Testacellidae, Oleacinidae
    Oleacinidae
    Oleacinidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata .-Anatomy:...

    , Streptaxidae
    Streptaxidae
    Streptaxidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in theStylommatophora. Six Streptaxidae subfamilies are accepted in the 2005 taxonomy of the Gastropoda by Bouchet & Rocroi....

    , Helicoidea
    Helicoidea
    Helicoidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.-Families:There are 19 families within the superfamily Helicoidea according to Bouchet & Rocroi .* Helicidae...

    , Vitrinidae
    Vitrinidae
    Vitrinidae is a family of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Limacoidea ....

    , Limacidae
    Limacidae
    Limacidae, common name the keelback slugs, are a taxonomic family of medium-sized to very large, air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the superfamily Limacoidea.- Distribution :...

    , Arionidae
    Arionidae
    Arionidae, common name the "roundback slugs" or "round back slugs" are a taxonomic family of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the superfamily Arionoidea.- Distribution :...

    . 364 pp., 60 plates.
  • 1886 – Volume 2. Zonitidae
    Zonitidae
    Zonitidae, common name the true glass snails, are a family of mostly rather small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Zonitoidea....

    .
  • 1887 – Volume 3. Helicidae
    Helicidae
    The Helicidae, sometimes known as the typical snails, are a taxonomic family of small to large, air-breathing, land snails. In other words, they are terrestrial pulmonate gastropod mollusks....

     – Volume I.
  • 1888 – Volume 4. Helicidae – Volume II.


Volumes after 1888 has Tryon as an author, they were edited by Henry Augustus Pilsbry
Henry Augustus Pilsbry
Henry Augustus Pilsbry was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a century...

:
  • 1889 – Volume 5. Helicidae – Volume III. – Continued by Henry Augustus Pilsbry
    Henry Augustus Pilsbry
    Henry Augustus Pilsbry was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a century...

    .
  • 1890 – Volume 6. Helicidae – Volume IV. Continued by H. A. Pilsbry.
  • 1891 – Volume 7. Helicidae – Volume V. Continued by H. A. Pilsbry.
  • 1892 – Volume 8. Helicidae – Volume VI. Continued by H. A. Pilsbry.
  • 1894 – Volume 9. Helicidae – Volume VII. Continued by H. A. Pilsbry.
  • 1895 – Index to the helices. Continued by H. A. Pilsbry.
  • 1895–1896 – Volume 10. American Bulimi and Bulimuli. Strophocheilus, Plekocheilus
    Plekocheilus
    Plekocheilus is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Orthalicidae.- Species :Species within the genus Plekocheilus include:subgenus Plekocheilus Guilding, 1828...

    , Auris
    Auris
    Auris, dative and ablative form of Aurum, meaning "gold" or same nominative, genitive and vocative form, meaning "ear" in Latin, can refer to any of the following:* Auris, Isère, a town in France* Toyota Auris...

    , Bulimulus
    Bulimulus
    Bulimulus is a genus of small to medium-sized tropical or sub-tropical, air-breathing land snails, pulmonate gastropod mollusks in the subfamily Bulimulinae.-Shell description:...

    . Continued by H. A. Pilsbry.
  • 1897–1898 – Volume 11. American Bulimulidae
    Bulimulidae
    Bulimulinae is a taxonomic subfamily of medium-sized to large, air-breathing, tropical and sub-tropical land snails, terrestrial pulmonate gastropod molluscs in the family Orthalicidae, according to the taxonomy of the Gastropoda ....

    : Bulimulus
    Bulimulus
    Bulimulus is a genus of small to medium-sized tropical or sub-tropical, air-breathing land snails, pulmonate gastropod mollusks in the subfamily Bulimulinae.-Shell description:...

    , Neopetraeus, Oxychona, and South American Drymaeus
    Drymaeus
    Drymaeus is a genus of medium-sized air-breathing, tropical land snails, terrestrial pulmonate gastropod molluscs in the subfamily Bulimulinae and the family Orthalicidae, according to the taxonomy of the Gastropoda ....

    . Continued by H. A. Pilsbry.
  • 1899 – Volume 12. American Bulimulidae
    Bulimulidae
    Bulimulinae is a taxonomic subfamily of medium-sized to large, air-breathing, tropical and sub-tropical land snails, terrestrial pulmonate gastropod molluscs in the family Orthalicidae, according to the taxonomy of the Gastropoda ....

    : North American and Antillean Drymaeus
    Drymaeus
    Drymaeus is a genus of medium-sized air-breathing, tropical land snails, terrestrial pulmonate gastropod molluscs in the subfamily Bulimulinae and the family Orthalicidae, according to the taxonomy of the Gastropoda ....

    , Leiostracus, Orthalicinae and Amphibuliminae. Continued by H. A. Pilsbry.
  • 1900 – Volume 13. Australasian Bulimulidae
    Bulimulidae
    Bulimulinae is a taxonomic subfamily of medium-sized to large, air-breathing, tropical and sub-tropical land snails, terrestrial pulmonate gastropod molluscs in the family Orthalicidae, according to the taxonomy of the Gastropoda ....

    : Bothriembryon
    Bothriembryon
    Bothriembryon is a genus of tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orthalicidae.-Species:Species within the genus Bothriembryon include: * Bothriembryon angasianus...

    , Placostylus
    Placostylus
    Placostylus, or flax snails, are a genus of very large, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Placostylidae.Placostylus is the type genus of the family Placostylidae....

    . Helicidae
    Helicidae
    The Helicidae, sometimes known as the typical snails, are a taxonomic family of small to large, air-breathing, land snails. In other words, they are terrestrial pulmonate gastropod mollusks....

    : Amphidromus
    Amphidromus
    Amphidromus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae.Amphidromus is a genus of arboreal pulmonate land snails...

    . Continued by H. A. Pilsbry.
  • 1901–1902 – Volume 14. Oriental Bulimoid Helicidae
    Helicidae
    The Helicidae, sometimes known as the typical snails, are a taxonomic family of small to large, air-breathing, land snails. In other words, they are terrestrial pulmonate gastropod mollusks....

    . Odontostominae. Cerionidae
    Cerionidae
    Cerionidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Urocoptoidea.- 2008 taxonomy :...

    . Continued by H. A. Pilsbry. Note: Odontostomini is now a tribe in the subfamily Bulimulinae.
  • 1903 – Volume 15. Urocoptidae
    Urocoptidae
    Urocoptidae is a family of land snails, gastropods in the superfamily Urocoptoidea.- 2005 taxonomy :The Urocoptidae family has been classified in the superfamily Orthalicoidea within the informal group Sigmurethra, itself belonging to the clade Stylommatophora within the clade Eupulmonata .The...

    . Continued by H. A. Pilsbry.
  • 1904 – Volume 16. Urocoptidae, Achatinidae
    Achatinidae
    Achatinidae is a family of medium to large sized tropical land snails, terrestrial pulmonate gastropod mollusks from Africa...

    . Continued by H. A. Pilsbry.
  • 1904–1905 – Volume 17. African Achatinidae. Continued by H. A. Pilsbry.
  • 1906 – Volume 18. Achatinidae: Stenogyrinae and Coeliaxinae. Continued by H. A. Pilsbry.
  • 1907–1908 – Volume 19. Oleacinidae
    Oleacinidae
    Oleacinidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Eupulmonata .-Anatomy:...

    , Ferussacidae. Continued by H. A. Pilsbry. (Correct spelling is Ferussaciidae
    Ferussaciidae
    Ferussaciidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Achatinoidea.This family has no subfamilies...

     these days.)
  • 1909–1910 – Volume 20. Caecilioides, Clessula and Partulidae
    Partulidae
    Partulidae is a family of air-breathing land snails, terrestrial gastropod mollusks in the infraorder Stylommatophora, endemic to Pacific islands.- Genera :Partulidae is divided into three genera:* Eua has four species, confined to Tonga and Samoa....

    . Index to vols. XVI. – XX. Continued by H. A. Pilsbry.


Other volumes are not attributed to George Washington Tryon:
  • 1911 – Volume 21. Achatinellidae
    Achatinellidae
    Achatinellidae is a family of tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Achatinelloidea.- Taxonomy :...

     (Amastrinae). Alpheus Hyatt
    Alpheus Hyatt
    Alpheus Hyatt was an American zoologist and palaeontologist.- Biography :Alpheus Hyatt II was born in Washington, D.C. to Alpheus Hyatt and Harriet Randolph Hyatt...

     & Henry Augustus Pilsbry
    Henry Augustus Pilsbry
    Henry Augustus Pilsbry was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a century...

    . Leptachatina
    Leptachatina
    Leptachatina is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae.-References:*...

    by C. Montague Cooke
    Charles Montague Cooke Jr
    Charles Montague Cooke, Jr. was an American malacologist who published under the name of C. Montague Cooke or C.M. Cooke.-Life:Charles Montague Cooke, Jr. was born in Honolulu, Hawaii on December 20, 1874....

    . Illustrated by Helen Winchester. (The volume was published after Hyatt's death in 1902.) (Amastridae
    Amastridae
    Amastridae is a taxonomic family of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the superfamily Cochlicopoidea....

     is considered to be a sole family these days.)
  • 1912–1914 – Volume 22. Achatinellidae by Henry A. Pilsbry assisted by C. Montague Cooke. Genealogy and migrations of the Achatinellidae by Alpheus Hyatt.
  • 1915–1916 – Volume 23. Appendix to Amastridae
    Amastridae
    Amastridae is a taxonomic family of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the superfamily Cochlicopoidea....

    . Tornatellinidae. Index, vols. XXI-XXIII. Henry A. Pilsbry & C. Montague Cooke.
  • 1916–1918 – Volume 24. Pupillidae
    Pupillidae
    Pupillidae is a family of mostly minute, air-breathing, land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the clade Stylommatophora....

     (Gastrocoptinae). Henry A. Pilsbry.
  • 1918–1920 – Volume 25. Pupillidae (Gastrocoptinae, Vertigininae). Henry A. Pilsbry & C. Montague Cooke. (Vertiginidae
    Vertiginidae
    Vertiginidae is a family of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the superfamily Pupilloidea.- Distribution :...

     is considered to be a sole family these days.)
  • 1920–1921 – Volume 26. Pupillidae (Vertigininae, Pupillinae). Henry A. Pilsbry.
  • 1922–1926 – Volume 27. Pupillidae (Orculinae, Pagodulinae, Acanthinulinae, etc.). Henry A. Pilsbry.
  • 1927–1935 – Volume 28. Geographic Distribution of Pupillidae; Strobilopsidae
    Strobilopsidae
    Strobilopsidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea.- Taxonomy :...

    , Valloniidae
    Valloniidae
    Valloniidae is a taxonomic family of small and minute, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora.-Anatomy:...

     and Pleurodiscidae. Henry A. Pilsbry.

Further reading

  • Dance S. P. A (1986). A History of Shell Collecting. 144–146, 176–177.
  • Ruschenberger W. S. W. (1888). "A biographical notice of George W. Tryon, Jr., conservator of the Conchological Section of the Academy of Natural Sciences of Philadelphia". Proceedings of the Academy of Natural Sciences of Philadelphia http://www.archive.org/details/biographicalnoti00ruscrich28: 1–22.

External links

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