22 PYGATHRIX 



1830. /. Geoffroy Saint-Hilaire, in Lesson Centurie Zoologique. 



Pygathrix melanolopha redescribed as Semnopithecus flavi- 

 manus. 



1833. Bennett, in Proceedings of the Zoological Society of London. 

 Pygathrix cephaloloptera redescribed as Semnopithecus 

 nestor. 



1834. /. Geoffroy Saint-Hilaire, in Belanger Voyage aux Indes- 

 Orientales; Mammiferes. 



Pygathrix johni redescribed as Semnopithecus cucullatus. 



1837. Reid, in Proceedings of the Zoological Society of London. 

 Pygathrix obscura first described as Semnopithecus obscurus. 



1838. Mailer, in Tijdschrift voor Natuurlijkc Geschiedenis en Physi- 

 ologic. 



Pygathrix chrysomelas first described as Semnopithecus 

 chrysomelas ; and Pygathrix rubicunda first described as 

 Semnopithecus rubicundus. 



1839. Mailer und Schlegel, in V erhandelingen over de Natuurlijke 

 Geschiedenis der Nederlandsche overzeesche bezittingen, etc. 

 Pygathrix sumatrana first described as Semnopithecus 

 sumatranus ; and P^'gathrix entellus redescribed as Semno- 

 pithecus albogularis? 



1840. Hodgson, in Journal of the Asiatic Society of Bengal. 

 Pygathrix schistacea first described as Semnopithecus schis- 

 taceus. 



1840. Wagner, Schreber, Die Sdugthiere. Supplement. 



Pygathrix johni redescribed as Semnopithecus jubatus. 



1840. R. P. Lesson, Species des Mammifbres Bimanes et Quadru- 

 manes. 



A list of the species of Pygathrix, as known to the Author, is 

 here given under the genus Semnopithecus with synonymy and 

 descriptions. The species are {S.) nem^us; {S.) entellus; 

 {S.) leucoprymnus = Pygathrix cephaloloptera; (5.) 

 cucullatus = P. johni; {S.) bicolor undeterminable; (5.) 

 nestor = P. cephaloloptera; {S.) Havimanus — P. mela- 

 nolopha; {S.) melanolophus ; {S.) comatus — P. aygula; 

 (S.) pruinosus = P. cristata; (S.) auratus; (S.) pyrrhus = 

 P. aurata; (S.) albogularis = P. entellus; (S.) kra = 

 PiTHECUs fasicularis; and {S.) obscurus. 



1841. Blyth, in Journal of the Asiatic Society of Bengal. 

 Pygathrix barbei first described as Presbytis barbei; and 

 Pygathrix pileata first described as Semnopithecus pileata. 



