Spicijic JSamea vf certain Primut'S. G19 



According to Mr. Pocock tliereare two subspecies — C.p.whytei, 

 with whi.skera completely concealing tiie cars and very con- 

 spicuously banded ; and C. p. centralis^ with wliisker-liMir.s 

 comparatively short, not concealing the ears, and indidtinetly 

 banded. The characters asaiijjneil to the hist agree very \vi 11 

 wirh Cuvier's Hi^ure and description ol" j>;/<j>'rt/t/irus, and also 

 with the short description by I. (r-offroy in his " Synopsis." 

 C. p. centralis is from Central Africa, and that seems to be 

 the habitat presumed t'ov pi/t/eri/thrus by I. GeofFroy when he 

 says : — 



"La |)re3que identite du |)ela;;c du C. pugeri/thrus avec 

 cclui du C. sabiBus qui habite lo Senegal, et celui du C. griseo- 

 viridis [=C athiops], qui habite la Nubie et le sud de 

 I'Egypte, indique il elle seule unu analogic tr^s grande dans 

 la zone d'habitat de ces trois esp^ces " *. 



Of course, the area inhabited hycpntralia was quite unknown 

 3 Europeans in Cuvier's time, but I think it not imjjossible 

 nat an isolated specimen reached Mombasa or the Somali 

 oast from the interior of the country through native trade. 

 ,?he total ignorance about the origin of the type specimen 

 "^of pi/rjerythrus and the fai:t that it was for many years the 

 only red-vented Cercopithecua with green hair known to natu- 

 ralists seem to indicate that it came from a country unknown, 

 or almost so, to white men. 



To sum Tip, I give the synonymy of both the green and 

 the grey forms, according to my views : — 



Cercopiiltecns pygerythrus (F. Cuviur). 



1821. Simia i>ygerythra, F. Cuv. Iliat. Nat. des Mammif. Uvr. xxiv. 

 pi. xxiii. 



1822. CercopUhecus pygerytltreus, Desuiar. Mammal., Suppl. p. 5.34. 

 1829. Simia erythropyya, Cuvier, R^gn. Aiiira. sec. 6ilit. p. 9i;. 



18^33. Cercopitlucus pygerythrus, F. Cuv. Hist. Nat. des Mammif. 



sec. ^dit. 

 1900. CercopUhecus centralis, Neumann, Zool. Jahrb. Syst. xiii. p. 533. 

 1904. CercopUhecus athiops ceniralis, Thomas, P. Z. S. 1904, i. p. 4.')9. 

 1907. Cercopitheciis pi/gerythrus ceiitralit, Pocock, P. Z. S. 1907, 



p. 739. 



Cercoplthecus pygerythrus puxilhis (Desmoulins). 



(?) 1797. Shuia snbaa, var. <i, Audebcrt, Hist. Nat. des Siuj,'e^, fam. iv. 



sect. ii. fig. 5. 

 1811. CercopUhecus glaucus, Lichtenst. Reis. Siidl. .yiica, i. p. 507 



[nomen nudum]. 



Viiv. V^nus, p. 10. 



4l' 



