Biography

In 1875 he became curator at the Rijksmuseum van Natuurlijke Historie

Rijksmuseum van Natuurlijke Historie

The Rijksmuseum van Natuurlijke Historie was a museum in Leiden, The Netherlands. It was founded in 1820 by Royal Decree, formed from a merger of several existing collections. This happened at the instigation of Coenraad Jacob Temminck, who saw the museum primarily as a research institute...

 (today Naturalis

Naturalis

Naturalis is the national natural history museum of the Netherlands, based in Leiden. It originated from the merger of the Rijksmuseum van Natuurlijke Historie and the Rijksmuseum van Geologie en Mineralogie in 1984. In 1986 it was decided that the museum had to become a public museum and a new...

) in Leiden. In 1884 he followed Hermann Schlegel

Hermann Schlegel

Hermann Schlegel was a German ornithologist and herpetologist.-Early life and education:Schlegel was born at Altenburg, the son of a brassfounder. His father collected butterflies, which stimulated Schlegel's interest in natural history...

 as director of the museum and as editor of the journal Notes from the Leyden Museum. In 1895 he was president of the 3rd International Congress of Zoology in Leiden and he was among the founding members of the International Commission on Zoological Nomenclature

International Commission on Zoological Nomenclature

The International Commission on Zoological Nomenclature is an organization dedicated to "achieving stability and sense in the scientific naming of animals". Founded in 1895, it currently comprises 28 members from 20 countries, mainly practicing zoological taxonomists...

 besides Philip Lutley Sclater, Raphaël Blanchard

Raphaël Blanchard

Raphaël Blanchard was a French doctor and entomologist.-Works:*Les moustiques. Histoire naturelle et médicale Paris, F.R. de Rudeval, 1905*with Paul Bert Éléments de zoologie G...

, Julius Victor Carus

Julius Victor Carus

Julius Victor Carus was a German zoologist, comparative anatomist and entomologist.He served as curator of the Museum of Comparative Anatomy at Oxford University from 1849 to 1851, and as professor of comparative anatomy and director of the Zoological Museum at the University of Leipzig in 1853.-...

, and Charles Wardell Stiles

Charles Wardell Stiles

Charles Wardell Stiles was an American parasitologist born in Spring Valley, New York.-Biography:He studied at Wesleyan University in Connecticut , Collège de France , the University of Berlin and the University of Leipzig...

. Jentink's main research field was the taxonomy of mammals, where he described several marsupial

Marsupial

Marsupials are an infraclass of mammals, characterized by giving birth to relatively undeveloped young. Close to 70% of the 334 extant species occur in Australia, New Guinea, and nearby islands, with the remaining 100 found in the Americas, primarily in South America, but with thirteen in Central...

, bat

Bat

Bats are mammals of the order Chiroptera "hand" and pteron "wing") whose forelimbs form webbed wings, making them the only mammals naturally capable of true and sustained flight. By contrast, other mammals said to fly, such as flying squirrels, gliding possums, and colugos, glide rather than fly,...

, and rodent

Rodent

Rodentia is an order of mammals also known as rodents, characterised by two continuously growing incisors in the upper and lower jaws which must be kept short by gnawing....

 taxa. In 1886 he described the guenon

Guenon

The guenons are the genus Cercopithecus of Old World monkeys. Not all the members of this genus have the word "guenon" in their common names, and because of changes in scientific classification, some monkeys in other genera may have common names that do include the word "guenon"...

 species Cercopithecus signatus (sometimes known als Jentink's Guenon) on the basis of one deceased specimen which was obtained by the Rijksmuseum van Natuurlijke Historie from the Diergaarde Blijdorp

Diergaarde Blijdorp

Diergaarde Blijdorp is a zoo in the northwestern part of Rotterdam, one of the oldest zoos in the Netherlands...

 in Rotterdam

Rotterdam

Rotterdam is the second-largest city in the Netherlands and one of the largest ports in the world. Starting as a dam on the Rotte river, Rotterdam has grown into a major international commercial centre...

 in 1877. The original provenance of this species is still unknown but alternatively it might be possible that it is a hybrid between the Greater Spot-nosed Monkey

Greater Spot-nosed Monkey

The greater spot-nosed monkey or Putty-nosed monkey is one of the smallest Old World monkeys. It is a guenon of the C. mitis group, native to West Africa and living to some extent in rain forests but more often in the transition zone between rain forest and savannah. It is primarily arboreal and...

 and the Moustached Guenon

Moustached Guenon

The moustached guenon or moustached monkey is a species of primate in the Cercopithecidae family. It is found in Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, and Gabon....

. Jentink wrote the publications Catalogue ostéologique des mammifères (1887), Catalogue systématique des mammifères (1892) and Mammals Collected by the Members of the Humboldt Bay and the Merauke River Expeditions:Nova Guinea (1907). Oldfield Thomas

Oldfield Thomas

Oldfield Thomas FRS was a British zoologist.Thomas worked at the Natural History Museum on mammals, describing about 2,000 new species and sub-species for the first time. He was appointed to the Museum Secretary's office in 1876, transferring to the Zoological Department in 1878...

 named the Jentink's Duiker

Jentink's Duiker

Jentink's Duiker, Cephalophus jentinki, also known as Gidi-Gidi in Krio and Kaikulowulei in Mende, is a forest-dwelling duiker found in the southern parts of Liberia, south-western Côte d'Ivoire, and scattered enclaves in Sierra Leone...

 (1892) and the Jentink's Squirrel

Jentink's Squirrel

Jentink's Squirrel is a species of rodent in the Sciuridae family. It is named in honor of the Dutch zoologist Fredericus Anna Jentink. It is found in Indonesia and Malaysia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.-References:*Thorington, R. W....

(1887) in honor of Fredericus Anna Jentink.