PAP 10 143 



Geogr. Distr. Nyassaland. 



Genl. Char. Color hoary ; belly white ; fur not annulated. Skull 

 resembling that of P. thoth (type), but with a shorter muzzle and more 

 tapering. Tooth rows bowed, pterygoid fossa broader. Hair long, 

 loose and rather coarse. 



Color. Hoary gray and black, the hairs having black or brownish 

 black bases, remainder white. The coat consists of long and short hairs, 

 the former being all white to the roots, the shorter having black bases. 

 Hairs on crown long, almost forming a crest, basal part white, apical 

 half black nearly producing the effect of a black crown ; outer side of 

 arms black or brownish black, base of hairs white; inner side of arms, 

 entire under parts, and legs, grayish white ; hairs on hands and feet 

 very long, almost covering the fingers and toes to the nails; hands 

 blackish ; feet seal brown on center, rest grayish white ; tail, black for 

 two thirds the length, grading gradually into the grayish white of the 

 tip. Ears apparently flesh color ; face grayish white ; around eyes 

 and mouth flesh color. Ex type British Museum. 



Measurements. Skin. Total length, 1,300; tail, 550; hind foot, 

 190. Skull: total length, 183; occipito-nasal length, 150; Hensel, 128; 

 zygomatic width, 103 ; intertemporal width, 56 ; palatal length, 80 ; 

 breadth of braincase, 80 ; median length of nasals, 61 ; length of upper 

 molar series, 49 ; length of mandible, 132 ; length of lower molar 

 series, 60 ; length of upper canines, 34. Ex type British Museum. 



This Baboon, only represented by the unique type, is different in 

 its coloration from all the other members of the genus, and resembles 

 in that respect the American Opossum, having the same long and short 

 hairs similarly colored. 



Subgenus Hamadryas. 



Shoulders and back covered by a long, loose, heavy mane ; tail 

 tufted, ears naked. 



Papio HAMADRYAS (Linnaeus). 



Simla hamadryas Linn., Syst. Nat., I, 1758. p. 27; I, 1766, p. 36; 



Bodd., Elench. Anim., 1784, p. 57; Gmel., Syst. Nat., I, 1788, 



p. 30. 

 Simla cynfmolgos Linn., Syst. Nat., I, 1758, p. 28. 

 Cercopithecus hamadryas Erxl., Syst. Reg. Anim., 1777, p. 22; 



Kerr, Anim. Kingd., 1792, p. 63. 

 Cercopithecus hamadryas ursinus Kerr, Anim. Kingd., 1792, p. 63. 



