1841. 
1842. 
1842. 
1843. 
1843. 
1844. 
1844. 
1847. 
PYGATHRIX 23 
Miiller und Schlegel, in Verhandelingen over de Natuurlijke 
Geschiedenis der Nederlandsche overzeesche bezittingen, etc. 
PyGATHRIX SIAMENSIS first described as . Semnopithecus 
siamensis. 
I. Geoffroy St. Hilaire, in Comptes Rendus. 
PyGATHRIX HYPOLEUCA redescribed as Semnopithecus dus- 
sumiert. 
Gray, in Annals and Magazine of Natural History. 
PYGATHRIX NOBILIS first described as Presbytis nobilis. 
Blyth, mn Journal of the Asiatic Society of Bengal. 
PYGATHRIX BARBEI first described as Presbytis barbei; and 
PyGATHRIX PILEATA first described as Semnopithecus pileata. 
I. Geoffroy St. Hilaire, in Archives du Muséum d@ Histoire 
Naturelle, Parts. 
P. st1aMENSIS Miill. und Schleg., redescribed as Semnopithecus 
nigrimanus. 
Blyth, in Journal of the Asiatic Society of Bengal. 
PYyGATHRIX ENTELLUS redescribed as Semnopithecus anchises; 
and PyGATHRIX PRIAM first described as Semnopithecus priam. 
Blyth, in Annals and Magazine of Natural History. 
PyGATHRIX PRIAM redescribed as Semnopithecus pallipes. 
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). : 
Pygathrix cephaloloptera monticola first described as Presbytis 
cephalopterus (!) monticola. 
Blyth, in Horsfield’s Catalogue of Mammals in the Museum of 
the East India Company. 
PyGATHRIX PHAYREI redescribed as Semnopithecus argentatus. 
Blyth, in Journal of the Asiatic Society of Bengal. 
PyGATHRIX URSINA first described as Presbytis ursina. 
I. Geoffroy Saint-Hilaire, Catalogue des Primates. 
PYGATHRIX ENTELLUS redescribed as Semnopithecus albipes, 
(albinistic). 
Kelaart, Prodromus Faune Zeylanice. 
PyGATHRIX CEPHALOLOPTERA redescribed as Presbytis albinus. 
Bonaparte, in Comptes Rendus. 
PYGATHRIX POTENZIANI first described as Semmnopithecus 
potenziani. 
