PAN 241 
penetrated through the gum, but are still within the bone. The angle 
of the face is more than 45°, the rostrum projecting but slightly 
forward. The braincase is very broad posteriorly for its length. 
(S.) raripilosus Rothschild, from French Congo, the type of which 
was examined in the Tring Museum, is evidently the same as this 
species. 
PAN saTyrus (Linnezus). 
Simia satyrus Linn., Syst. Nat., I, 1758, p. 25, (nec 1766, p. 24); 
Hoppius, Ameenit. Acad., 1763, p. 69, fig.; Matschie, Sit- 
zungsb. Ges. Naturf. Freunde, 1904, p. 58; Rothsch., Proc. 
Zool. Soc. Lond., II, 1904, pp. 422, 425. 
Simia troglodytes Gmel., Syst. Nat., I, 1788, p. 34, p. 26. 
Troglodytes niger E. Geoff., Ann. Mus. Hist. Nat. Paris, XIX, 
1812, p. 87, ( Part.) ; Jd. Cours Hist. Nat. Mamm., 1828, p. 21, 
7me Lecon; Less., Spec. Mamm., 1840, p. 37; Dahlb., Stud. 
Zool. Fam. Reg. Anim. Natur., fasc. I, 1856, p. 54; Pousarg., 
Ann. Scien. Nat. Paris, 8th Ser., III, 1898, p. 137. 
Troglodytes tschego Duvern., Archiv. Mus. Hist. Nat., Paris, VIII, 
1855, p. 8; Dahlb., Stud. Zool. Fam. Reg. Anim. Nat., fasc. I, 
1856, p. 57; Du Chaillu, Proc. Bost. Soc. Nat. Hist., VII, 
1861, p. 296. 
Pseudanthropus tschego Reichenb., Vollstand. Naturg. Affen, 
1862, p. 194, no fig. 
Mimetes troglodytes Gray, Cat. Monkeys, Lemurs and Fruit- 
eating Bats, Brit. Mus., 1870, p. 6. 
Anthropopithecus satyrus Thos., Proc. Zool. Soc. Lond., 1911, p. 
125. 
Type locality. Gaboon, West Africa. 
Geogr. Distr. Lower Guinea from Sanaga to the Ogowé; Semi- 
karo in Esum-Land near the Sanaga in Cameroon, (Lieut. Scherme- 
mann); Yaundi and Bifundi in Cameroon, (Buchholz) ; Mayumba, 
(Hesselbarth) ; Tschintschosche on the Kuilu, (Falkenstein). (Mat- 
schie 1. c.). 
Genl. Char. Hair on head not parted in center; forehead in adults 
bald, but this does not extend to the level of the ears; ears medium in 
size, 65x 50 mm., narrow beard on face except chin, which is only 
sparsely covered with short dark gray hairs. Arms very long exceed- 
ing 700 mm. Face in young yellowish, in adults blackish brown. Skull 
with very narrow facial portion, constricted behind the canines ; brain- 
