List OF PLATES. 



XXVI.— St. John's Macaque ... 

 XXVII. — White-crowned Mangabey 

 XXVIII.— Green Guenon 

 XXIX. — Boutourlini's Guenon ... 

 XXX.— Erxleben's Guenon 

 XXXI. — De Brazza's Guenon ... 



XXXII.— Talapoin 



XXXIIL— Bay Guereza 



XXXIV.— White-tailed Guereza 



XXXV.— Hose's Langur 



XXXVI.— Everett's Langur 

 XXXVII. — Proboscis Monkey 

 XXXVIII.— Siamang Gibbon 



XXXIX.— Orang-utan 



XL. — Gorilla ... 

 XLI. — Bald Chimpanzee 

 XLII 



Alacacus sancii-johannis. 

 Cercocebui (zthiops. 

 Cercopilhecus callitrichus. 

 Cercopithecus boutourlinii. 

 Cercopithicus grayi. 

 Cercopithecus brazzce. 

 Cercopithecus talapoin. 

 Colobus ferrugintus. 

 Colobus caudatus. 

 Semnopi:hecus hosii. 

 Semnopithecus tveretti. 

 Nasalis larvatus. 

 Hylobatis syndactylus. 

 Siniia satyr us. 

 Gorilla gorilla. 

 AniliTOpopithecus calvus. 



Map I. Showing the distribution of Living and Fossil 



Leimiroidea. 



XLin. — Map II. Showing the distribution of the Family Tarsiidce, 

 and of the Sub-family Galagint: of the Lemutidce. 



XLIV. — Map III, Showing the distribution of the Family 

 Chiromyida, and of the Sub-families LemurincB and 

 IndrisincB, and of the Sub-family Loridnce of the 

 Lemurid(S. 



Map IV. Showing the distribution of Living and Fossil 

 Anthropoidea. 



Map V. Showing the distribution of the Families Hapalidce 

 and Cebida. 



XLV 



XLVI, 



XLVII 



-Map VI. Showing the distribution of the Genera Papio, 

 TheropithecuSy Cynopithecus, Cercocebus^ Cercopithecus ^ 

 and Ma casus. 



XLVII r. — Map VII. Showing the distribution of the Genera Semno- 

 pithecus^ Nasalis, and Colobtis. 



XLIX.— Map VIII. Showing the distribution of the Gencta 

 Ilylobates, Simla, Gorilla, and Anthropopithecus, 



