INTRODUCTION 



565. Gorilla g. diehli Vol. 



566. Gorilla g. jacobi 



567. Gorilla g. castaneiceps 



568. Gorilla g. ? 



569. Gorilla g. ? 



570. Gorilla beringeri 



Genus Pseudogorilla. 



Pseudogorilla Elliot Rev. Primates, 1912, p. 224. Type 

 Gorilla Mayema Alix et Bouvier. 



571. Pseudogorilla mayema ? Vol. Ill, 225 



Genus Pan. 



Pan Oken, Lehrb. Naturg., 3 Theil, Zool., 2te Abth., 1816, 

 pp. XI, 1230. Type Simla satyrus Linn. 



572. Pan calvus Vol. Ill, 234 



573. Pan fuliginosus 



574. Pan satyrus 



575. Pan kooloo-kamba 



576. Pan leucoprymnus 



577. Pan chimpanse 



578. Pan schweinfurthi 



579. Pan s. marungensis 



580. Pan aubryi 



581. Pan vellerosus 



582. Pan fuscus 



583. Pan ? ex Basho, northwestern Cameroon 



584. Pan ? ex Dunne, interior of southern 



Cameroon 



585. Pan ? ex Lomie, interior of Cameroon. . 



GEOGRAPHICAL DISTRIBUTION OF THE SPECIES 



By drawing a line across the American Continent north of Mexico, 

 then passing to the east across the Atlantic and southward around the 

 Cape of Good Hope, (leaving the African Continent to the north), 

 then by Wallace's line between the Indian and Papuan divisions of the 

 Malay Archipelago, (the boundary going between Formosa and the 

 Philippines), and then south and east to the Samoan Archipelago, 



