04 



I.KMUltlD.K. 



forming- serrated crests covered with a blackish skin. Blackish brown ; 

 fur yellowish, blackish-washed on the surface ; chin, throat, and be- 

 neath yellowish brown ; hair very close, woolly, yellowish, with 

 lunger black-tipped and rigid hairs; penis retractile into a sheath, 

 with roundish opening; scrotum large. — Warrick, p. 46. t. 8. 

 f. 28. 



Perodicticus Geoll'royi, Bennett, P. Z. S. 18(50, p. 100; Murray, Proc. 

 Hot/. Phj/s.Soc. Edinb. 1800, p. 191, figs, of hands and feet. Potto 

 Bosmani, Lesson. Lemur potto, Gmel. >S. N. p. 42. Galago 

 guineensis, Destn. Mamm, p. 104. Potto, Busman. Nycticubas 

 potto, Geoff. Ann. Mas. xvii. p. 114; xix. p. 115. 



Hah. Sierra Leone, West Africa. 

 Skull and skeleton in British Museum. 



Fig. 18. 



Perodicticus potto. (Huxley.) 



15. ARCT0CEBUS. 



Tail very short. Hands and feet small, with the lower phalanges 

 (not including the thumb) united in the skin, the two upper joints 

 free ; the index finger abortive, reduced to a, tubercle. Lower cut- 

 ting-teeth small, hyaline, hidden by the lips. 



Arctocehus, Gray, P. Z. ,S*. 180:5, p. 150; Tluxley, P. Z. S. 1804, 



p. .5.55. 



