civ INTRODUCTION 



Symphalangus. 



Range of the Genus. 



Oriental Region. 



Range of the Species. 



560. Symphalangus syndactylus. Sumatra. 



561. Symphalangus s. continentis. Selangore, Malay Peninsula. 



562. Symphalangus klossi. South Pagi Island, west of Sumatra. 



PONGIID^. 

 PONGO. 



Range of the Genus. 



Oriental Region. 



Range of the Species. 



563. PoNGO pygm^us. Borneo : Sumatra ? 



564. PoNGO ABELii. (if distinct). Sumatra. 



Gorilla. 



Range of the Genus. 



Ethiopian Region. 



Range of the Species. 



565. Gorilla gorilla. Gaboon, West Africa. 



566. Gorilla g. matschie. Southern Cameroon, West Africa. 



567. Gorilla g. ? Mokbe. Southern Cameroon, West Africa. 



568. Gorilla g. diehli. Northern Cameroon, West Africa. 



569. Gorilla g. jacobi. Southern Cameroon, West Africa. 



570. Gorilla g. ? Upper Ogowe. Gaboon, West Africa. 



571. Gorilla g. castaneiceps. French Congo, West Africa. 



572. Gorilla g. ? Mbiawe. South Cameroon, West Africa. 



573. Gorilla beringeri. Kirunga, German East Africa. 



