28 Lloyd's natural history. 



longer than the fore-Hmbs ; hands smaller than the feet ; thumb 

 thick, with a tubercle at base; the wrist-bone of the very 

 rudimentary index-finger supporting two rudimentary finger- 

 bones ; third finger not parallel to fourth and fifth ; the fourth 

 longest (Fig. 7). Great toe with a tubercle at its base, oppos- 

 able. Tail }^ inch long, hidden in the fur of the body. 



Fur grey at base of hairs, fawn-coloured farther up, and 

 tipped with dark brown, uniform over the body and limbs ; face 

 darker ; sides of head lighter ; line from brow down the nose 

 white. No vibrissae on face and no eyebrows ; chin, throat, 

 inner surface of limbs, and under side of body, greyish-white. 



Posterior upper molar nearly equal to posterior pre-molar, 

 with the hind inner cusp of the crown rudimentary. Lower in- 

 cisors not visible beyond the lip, cingulate ; posterior molar 

 five-cusped and relatively larger than in the next species {F. 

 potto). Bony palate with large perforations behind the incisors. 

 Intestines, 40 inches long; caecum, 2^ inches. 



Distribution. — The " Angwantibo," as this species is called, is 

 known only from Old Calabar, on the west coast of Africa. 



IL bosman's potto, perodicticus potto. 

 P^//^, Bosnian, Beschrijving van de Guinese Goudkust, ii., p. 32, 



fig. 4 {1704). 

 Nydicehus potto, Geoffr., Ann. Mus., xix., p. 165 (1812); 



Schlegel, Mus. Pays Bas vii., p. 287 (1876). 

 Perodicticus geoffroyi, Bennett, P. Z. S., 1830, p. 109. 

 Ferodictiais potto.Y . der Hoeven, Tijdschr. v. Natuurl. Gesch., 



xi., p. 41 (1844); Wagner, in Schreber's Saugeth. Suppl., 



v., p. 183 (1855). 

 Stenops potto, Pel, Bijdragen tot de Dierkunde, 1852, p. 41. 



Characters. — More common than the Angwantibo and dis- 



