1834. 
1837. 
1838. 
1839. 
1840. 
1840. 
1840. 
1841. 
PYGALA BEX 
I. Geoffroy Saint-Hilaire, in Lesson Centurie Zoologique. 
PYGATHRIX MELANQLOPHA —— as Semnopithecus flavi- 
manus. 
Bennett, in Proceedings of the Zoological Society of London. 
PYGATHRIX CEPHALOLOPTERA redescribed as Semnopithecus 
nestor. 
I. Geoffroy S aint-Hilaire, in Bélanger Voyage aux Indes- 
Onientales; Mammiferes. 
PYGATHRIX JOHNI redescribed as Semnopithecus cucullatus. 
Reid, in Proceedings of the Zoological Society of London. 
PYGATHRIX OBSCURA first described as Semnopithecus obscurus. 
Miiller, in Tijdschrift voor Natuurlijke Geschiedenis en Physi- 
ologie. 
PYGATHRIX CHRYSOMELAS first described as Semnopithecus 
chrysomelas; and PyGATHRIX RUBICUNDA first described as 
Semnopithecus rubicundus. 
Miller und Schlegel, in Verhandelingen over de Natuurlijke 
Geschiedenis der Nederlandsche overzeesche bezittingen, etc. 
PyGATHRIX SUMATRANA first described as Semnopithecus 
sumatranus; and PyGATHRIX ENTELLUS redescribed as Semno- 
pithecus albogularis? 
Hodgson, in Journal of the Asiatic Society of Bengal. 
PYGATHRIX SCHISTACEA first described as Semnopithecus schis- 
taceus. 
Wagner, Schreber, Die Siugthiere. Supplement. 
PYGATHRIX JOHNI redescribed as Semnopithecus jubatus. 
Rk. P. Lesson, Species des M i ie Bimanes et Quadru- 
manes. 
A list of the species of PycaTurIx, as known to the Author, is 
here given under the genus Semnopithecus with synonymy and 
descriptions. The species are (S.) NEM#UuUS; (S.) ENTELLUS; 
(S.) leucoprymnus = PYGATHRIX CEPHALOLOPTERA; (S.) 
cucullatus = P. jonni; (S.) bicolor undeterminable; (S.) 
nestor = P. CEPHALOLOPTERA; (S.) flavimanus = 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. 
Blyth, in Journal of the Asiatic Society of Bengal. 
PYGATHRIX BARBEI first described as Presbytis barbei; and 
PYGATHRIX PILEATA first described as Semnopithecus pileata. 
