474 Ml-. G. Doll mail on neia 



(65) Pachyura varilla Tlios. 



Wonilerfonteiii, Potcliefstrooni District, Transvaal. 

 ^ and ? (uimunibered). 



Tiiese examples were obtained in deserted " ant-liills 

 (termites' nests). 



{(j^) Amhii/somus hottentottus (Smitli)- 



Malvern, Natal. 

 ? (unnumbered). 



LIV. — Two neio Species of Colobns from Central Africa^ 

 collected by Mr. R. Grauer. By Guy Dollman. 



(PublLslied by permission of the Trustees of the British Museum.) 



The British Museum- has acquired from Herr Bolle, of 

 Berlin, examples of the two following uew species of Colobus , 

 obtained by Herr R. Grauer during a recent Central African 

 expedition, 



Colobus graiieri, sp. n. 



Allied to Colobus foai, Pousarg., but differing from that 

 form by having a dark grey-coloured under surface to the 

 body. 



Size and general proportions similar to C. foai. Hair soft 

 and rather long, measuring about 105 mm. in length on back 

 and sides. Superciliary stripe black, extending back as far 

 as cars, the hairs intermingling with the black crescentic 

 patches situated just anterior to the ears. Crest on top of 

 head bright red (between fawn no. 4 and dull brick-red 

 no. 4, 'Kepertoire de Couleurs ''). Cheeks and sides of neck 

 pale chestnut (dead leaf no. 3, ' Repertoire '), getting lighter 

 and greyer towards the shoulders. Back of head and neck 

 dark reddish brown (maroon no. 2, ' Repertoire ^); anterior 

 part of back blackish brown (reddish black no. 3, ' Reper- 

 toire'), grading to a chocolate colour (dark chocolate-brown 

 no. 3, ' Repertoire ') behind the shoulders. Posterior portion 

 of back, rump, and sides of body reddish brown (madder- 

 brown, no. 2, ' Repertoire ') . Upper surface of limbs very 

 similar in colour to rump and sides, but rather richer (be- 

 tween fawn no. 4 and madder-brown no. 2, 'Repertoire'). 



