426 THE nON. WALTER llOTIISCHILD ON [DeC. 13, 



Text-fio-. 109. 



Lett canine tooth of : — 1. Siniia sati/rus Linn. 



„ „ 2. Simia vellerosus (Graj-). 



4. SiMiA scHWEiNFURTHi Giglioli, Anil. Miis. Civ. Genova, iii. 

 p. 135 (1872). (Text-fig. 110, p. 427.) 



Synonym is : Troylod}/tes marungeiisis Noack, 1887. 



Distribution. Niam Niam to Soutli-eastern Soudan, and from 

 Lake Tanganyika to Uganda Pi-otectofate (and perhaps to Lake 

 Chad andVadai.— ir. B.). 



Distinctive characters. External : face, when 3'oung, pale, 

 when adult, accoi-ding to Matschie, dark. JEars very large (no 

 exact measurements known). Beard enormously long and thick. 

 Chin thickly covered with long white hairs. Ai-ms very long 

 indeed. Hair generally veiy' long and thick. 



Cranial chcoracters : facial portion of skull extremely narrow, at 

 the very outside only 55 mm. broad behind the canines, but not 

 so wide even at the widest part of the palate. Brain-case almost 

 round, of equal length in both sexes, measui-ed from the glabella 

 to the protuherantia occipitalis externa 128-133 mm., me^isui'ed 

 over the arch of the forehead 150-160 mm. Breadth between 

 the molars 51-55 mm., between the canines 49-55 mm. The 

 thinnest jilace in the zygomatic arch is 4-7 mm. high. 



5. Simia fuscus (Mayer), Abh. und Ber. Mus. Dresd. No. 14, 

 p. 7 (1894-1895). 



Distribution. ? Probably between Liberia and Togoland. 



Distinctive characters. External : hair-u:Jwrl on the top of the 

 head, from which hair falls on all sides. Ear blunt, almost flat 

 at the top. Begion of eye darker than nascd region. Beard long 

 and entire. 



Cranial characters : faded portion of skull slender. About the 

 same width behind the canines as at the molars, viz. 53 mm. 

 Brain-case in a $ skull measures in length from the glabella to 

 the protuherantia occipitalis externa 128 mm., and over the arch 

 of forehead 155 mm. Zygomatic arch at its thinnest place is 

 still 8" 5 mm. high. 



