HYLOBATES 151 



Three species are here given in the genus Hylobates : H. lar ; 



H. variegatus — H. lar ; and H. leuciscus. 

 1821. F. Cuvier, Histoire Naturelle des Mammiferes. 



Hylobates agilis first described. 

 1827. Temminck, Monographies de Matnmalogie. 



Hylobates agilis renamed H. variegatus. 

 1827. Harlan, in Proceedings of the Academy of Natural Sciences, 



Philadelphia. 



Hylobates concolor first described. 



1827. Lesson, in Bulletin des Sciences Naturelles et de Geologic. 

 Hylobates concolor redescribed as H. harlani. 



1828. Vigors and HorsHeld, in Zoological Journal. 

 Hylobates lar redescribed as Simla albimana. 



1828. E. Geoifroy St. Hilaire, in Cours d'Histoire Naturelle des 



Mammifhes. 



Hylobates agilis redescribed as Hylobates raMesi (melanistic 



fomi). 

 1834. Harlan, in Transactions American Philosophical Society for 



Promoting Useful Knowledge. 



Hylobates hoolock first described. 

 1834. Winslow-Lewis, in Journal of the Natural History Society gf 



Boston. 



Hylobates fuscus first described. 



1839. Ogilby, in Proceedings of the Zoological Society of London. 

 Hylobates hoolock redescribed as Hylobates choromandus. 



1840. Ogilby, in Proceedings of the Zoological Society of London. 

 Hylobates leucogenys first described. 



1840. Lesson, Species des Mammiferes Bimanes et Quadrumanes, etc. 

 The following are placed in the genus Hylobates: H. syn- 

 DACTYLUs, is a Symphylangus ; H. leuciscus; H. lar; H. 

 variegatus = H. lar; H. unko = H. lar; H. hoolock; and H. 

 choromandus = H. hoolock. No new species are described. 



1840. Wagner, Schreber, Die Sdugthiere, Supplementband. 



The following Hylobates are given in this work : H. syndac- 

 TYLUs, (Genus Symphalangus) ; H. lar; H. raMesi — H. 

 AGILIS ; H. variegatus — H. lar ; H. hoolock ; and H. leucis- 

 cus wrongly attributed to Schreber, but first described by E. 

 Geoffroy. 



1841 Martin, A Natural History of Quadrupeds and Other Matn- 

 miferous Animals. 

 Hylobates concolor redescribed as H. mulleri. 



