S/tecv's of ('tAuhuA from (rulral A/iicti. J~-> 



Backs of liaiids and fcit a little darker than rest of linil)s. 

 Under surface of body ^iicyi^-li, clu>t and umlerside of liinhs 

 dark slat\ «;rey ; eiiin and tliroat silvj-ry firey. Tail brii^lit 

 reddish hruwn (between fawn no. I and dull hriek-red iio. I-, 

 * Hcpertoire '). Apieal portion rather darker (Indian chest- 

 nut-red no. I, ' Repertoire ') ; tip dark maroon. 



Skull very hroad across zy<;on»atic region. 



Dimensions of the ty|)e (measured in skin) : — 



Head and body (HX) mm.; tail 070; hind foot 170 . 

 ear 27. 



Skull: {greatest length I'^iT); basilar length SO.') ; zygo- 

 matic breadth 88* !• ; greatest breadth across orbital region 

 72; condylo-basilar length 91 ; palatilar length -VJo ; 

 length of upper tooth-row, from front of first premolar to 

 back of last molar, 21)1. 



J/af>. W'ahemheland, 80 kilometres west of the N. end of 

 Lake Tanganyika. 



Tyjjt'. Old male. Original no. 52. Collected by 11. Grauer. 



This specimen dift'ers so strikingly in colour from C.foai. 

 that it must be regarded its representing a distinct species. 



Colobus ellioti, sp. n. 



Related to the foregoing species, but readily distinguished 

 by its red-coloured back, dark brownish hind-(iuartcrs, and 

 buti'y under surface. 



Size and general proportions similar to C. i/nnteri. Hair 

 rather shorter and harsher. General colour of back reddish, 

 becoming brown posteriorly. J>nj)cr(iliary stripe black. 

 Cheeks red (liark Indian red no. 3, ' Repertoire di- Couleurs '), 

 paler under cars (fawn uo. 1, ' Repertoire'). Cnst on head 

 bright red (dark Indian red no. 3, ' Repertoire'). Rack of 

 head reddish chestnut (madder-browu no. 4, 'Repertoire'). 

 Neck, shouldcis, and anterior Ijack deep mahoguny-cohnir 

 (between maroon no. i and mahogany no. 3, ' Repertoire'). 

 Middle portion of hack dark brownish red (dark chocolate- 

 brown no. 2, ' Repertoire '). Rump brownish (warm sepia 

 no. 1, ' Repertoire '). Upper surface of fore limbs and hands 

 red (burnt sienna no. 2, ' Repertoire'). Upper surface of 

 hind liuibs \cry similar in colour to rump, but rather lighter 

 (raw timber no. 2, 'Repertoire'). Backs of feet brownish 

 black (sepia no. 3, * Jlepertoire'). Under surface of body 

 buflrcoloured (yellowish salmou no. 1, ' Repertoire 'j, grading 

 to a pale yellow posteriorly (pale yellowish llcsji no. i, 

 'Repertoire'). Chest reddish (dead leaf no. 4, 'Reper- 

 toire'). Throat yellowish red (reddish apricot no. 1, 



