PYGATHRJX 23 



1841 . Miiller und Schlegel, in Verhandelingen over de Natuurlijke 

 Geschiedenis der Nederlandsche overseesche bezittingen, etc. 

 Pygathrix siamensis first described as Semnopithecus 

 siamensis. 



1842. /. Geoffroy St. Hilaire, in Comptes Rendus. 



Pygathrix hypoleuca redescribed as Semnopithecus dus- 

 sumieri. 



1842. Gray, in Annals and Magazine of Natural History. 

 Pygathrix nobilis first described as Presbytis nobilis. 



1843. Blyth, in Journal of the Asiatic Society of Bengal. 

 Pygathrix barbei first described as Presbytis barbei; and 

 Pygathrix pileata first described as Semnopithecus pileata. 



1843. /. Geoffroy St. Hilaire, in Archives du Museum d'Histoire 

 Naturelle, Paris. 



P. SIAMENSIS Miill. und Schleg., redescribed as Semnopithecus 

 nigrimanus. 



1844. Blyth, in Journal of the Asiatic Society of Bengal. 

 Pygathrix entellus redescribed as Semnopithecus anchises; 

 and Pygathrix priam first described as Semnopithecus priam. 



1844. Blyth, in Annals and Magazine of Natural History. 



Pygathrix priam redescribed as Semnopithecus pallipes. 

 1847. Blyth, in Journal of the Asiatic Society of Bengal. 



Pygathrix phayrei first described as Semnopithecus phayrei; 



and Pygathrix priamus redescribed as Presbytis thersites. 

 1849-50. Kelaart, in Journal of the Royal Asiatic Society, {Ceylon 



branch). 



Pygathri.x cephaloloptera monticola first described as Presbytis 



cephalopterus ( !) monticola. 

 1851. Blyth, in HorsHeld's Catalogue of Mammals in the Museum of 



the East India Company. 



Pygathrix phayrei redescribed as Semnopithecus argentatus. 

 1851. Blyth, in Journal of the Asiatic Society of Bengal. 



Pygathrix ursina first described as Presbytis ursina. 



1851. /. Geoffroy Saint- Hilaire, Catalogue des Primates. 

 Pygathrix entellus redescribed as Semnopithecus albipes, 

 (albinistic). 



1852. Kelaart, Prodromus F ounce Zeylanicce. 



Pygathrix cephaloloptera redescribed as Presbytis albinus. 

 1856. Bonaparte, in Comptes Rendus. 



Pygathrix potenziani first described as Semnopithecus 

 potenziani. 



