Ixvi 



INTRODUCTION 



FAMILY HYLOBATID^. 



Genus Hylobates. 



Hylobates Illig., Prodr. Syst. Mamm. et Av. 

 Type Homo lar Linnaeus. 



1811, p. 67. 



Genus Symphalangus. 



Symphalangus Glog., Hand. u. Hilfsb., I, 1841, pp. 

 XXVII, 34. Type Pithecus syndactylus Desmarest. 



Pongo Laceped., Tabl. Mamm., 1799, p. 4. Type Pongo 

 borneo Laceped., = Simia pygmwus Hoppius. 



561. Pongo pygm^us Vol. Ill, 192 



562. Pongo abelii " III, 194 



Genus Gorilla. 



Gorilla I. Geoff., Compt. Rend., XXXIV, 1852, p. 84. 

 Type Troglodytes gorilla Wyman. 



563. Gorilla gorilla Vol. Ill, 213 



564. Gorilla g. matschie " III, 218 



