248 Dr. D. G. Elliot on apparently new 



large ; skull compared with that of P. heuglini from the 

 Sudan has the ridges on sides of rostrum less elevated ; 

 rostrum much narrower, being 39'2 to 462 mm. j septum 

 between orbits much narrower^ 13 to 15"3 mm. ; lateral pit 

 not so deep ; palate narrower ; teeth much smaller and the 

 length of molar series shorter by nearly half the length of 

 posterior molar of P. heuglini. 



Culow. General colour of top of head, upper parts, and 

 sides to rump mixed black and cream-colour, the latter most 

 prominent, the hairs being purplish brown^ with two bands 

 of cream-colour and black tip. The purple under colour 

 shows through the cream and black, producing a grey shade; 

 hairs on rump and lower back have bands of ochraceous, 

 giving this part a reddish hue ; face and chin naked, black ; 

 throat greyish ; chest similar to back ; abdomen like rump, 

 bands ochraceous ; arms like back to below elbows, when 

 the black predominates to the wrists and hands, which 

 are almost entirely black ; legs redder, being tawny on 

 thighs and growing lighter to the ankles, which are buff- 

 yellow ; feet black ; tail cream-colour and olive mixed, the 

 former colour predominating. Callosities large, colour lost 

 in the skin. 



Measurements. Size equal to P. porcarius or P. doguera. 

 Skull : occipito-nasal length 161 mm. ; hensel 153 ; zygo- 

 matic width 133 ; intertemporal width 60 9; palatal length 

 97'o ; width of brain-case 86'4 ; length of nasals 81*1 ; length 

 of upper molar series 53"9 ; length of mandible 168 ; length 

 of lower molar series 71'1. 



Type. Adult, in British Museum, no. 7. 7. 8. 12. 



This is a very large dark baboon, the pelage exhibiting a 

 mixture of cream-colour and black, with purple under colour 

 showing, and grading into the tawny hue of lower back and 

 legs. The skull shows the most trenchant characters aud 

 is markedly different from its probably nearest ally in its 

 shorter tooth-row aud smaller teeth. Two specimens are in 

 the collection. 



Papio brochnani, sp. n. 



Type locality. Dirre Dawa, Somaliland, East Africa. 

 Altitude 3500 feet. 



Gen. chnr. Colour very different from P. ahyssinicus ; in- 

 clined to reddish, no grey on mane. Skull, compared with 

 one of P. abyssinicus obtained by Riippell, has a shorter 

 facial region ; rounded zygomatic arches, not squared as in 

 the other ; straight tooth-rows and smaller teeth ; outer edge 

 of lacrymal from orbital ridge to root of zygoma straight, 



