36 ARCTOCEBUS 



Arctocebus calabarensis Gray, Proc. Zool. Soc. Lond., 1863, 

 p. 150; Huxley, Proc. Zool. Soc. Lond., 1864, p. 314, pi. 

 XXVIII; F. Major, Proc. Zool. Soc. Lond., 1901, p. 136, 

 fig. 32. 

 Nycticebus calabarensis Schleg., Mus. Pays-Bas, Simiae, 1876, 

 p. 287. 

 calabar potto. Native name Angwantibo. 

 Type locality. Old Calabar, West Africa. 

 Geogr. Distr. Old Calabar, West Africa. 



Genl. Char. Mammae three pair, postaxial, pectoral and abdom- 

 inal. 



Color. General color of body above, and top of head dark brown, 

 lighter on the sides of the head, face darker; stripe from forehead 

 down the nose, white; under parts of body and inner side of limbs, 

 grayish white. 



Measurements. Skull : occipito-nasal length, 55 ; Hensel, 44 ; zygo- 

 matic width, 33 ; intertemporal breadth, 18 ; palatal length, 19 ; width of 

 braincase, 25 ; median length of nasals, 16 ; length of upper molar 

 series, 17; length of mandible, 34; length of lower molar series, 16. 



Arctocebus aureus de Winton. 



Arctocebus aureus de Winton, Ann. Mag. Nat. Hist., IX, 7th Ser., 

 1902, p. 47 ; Bates, Proc. Zool. Soc. Lond., 1905, p. 72. 



GOLDEN POTTO. 



Type locality. Benito River, 50 miles from mouth; 500 to 1,000 

 feet elevation ; French Congo, West Africa. Type in British Museum. 



Geogr. Distr. French Congo, West Africa; range unknown. 



Genl. Char. Smaller than A. calabarensis; tail very short, ter- 

 minal hairs stiff, compressed; fifth finger reaches only just beyond the 

 first joint of fourth finger. Skull: premaxillae project in front of 

 incisors ; incisive foramina very small. 



Color. » Upper parts bright golden red, beneath paler reddish 

 yellow suffused with ashy gray. Ex type British Museum. 



Measurements. Total length, 270 ; tail, 18 ; hind foot, 38 ; ear, 30, 

 (Collector). Ex type British Museum. De Winton states the skull 

 was much damaged. 



This species described by de Winton from an unique example 

 collected by Mr. Bates, is quite unlike in general appearance the only 



