Koford, C.B. 2 blue Cercopithecus mitis 28 August 1965 Kibale Forest, Nr. Ft. Portal, Uganda. C. mitis Kogera 09:10, mr. road mr. [illegible], 1 ad. 20' up, feeding on frv. or foliage; when I to 100' it gave short coughing "caa"s for '4 sec at 5+sec intervals, repeatedly, mouth opening 1" with each call. Olive. Light grey muzzle. = C, 1'l'hosti 29 August 1965. Mr. mi. 1.3 on Kogera - Kangwara road; one long black tailed monkey ran across road; thought this kind! Mile 1.8, 09:55, one in yellow-flowered (Maribania?) tree gave single explosive cough, caaa or harsh string. intervals; alarm? When I to 100', it descended tree. / about Big mi. 5,4, at turnout, one with fat red tail in group. C. mitis 28 August 1965. 6:40 p.m., mr. mile 1.4 on rd. S. of Kogera low hill, 5 (ijus). C. 1'l'hosti 4 September 1965. About noon, mr. mi. 7.8 on S. Kogera SMD, about 5 monkeys crossed road, tails high, singly. Have looked all black, some with red brown on back, + glimpses there in trees showed broad white collar at throat, the typical "blues" in groups - do immo. Have white throat + brown bodies? This is 3rd. time we have seen monkeys on road, & always seem to be these "black" ones. First C. 1'l'hosti good view 6 September 1965. About mi. 5.7, near large logging turnout day before on Mpanza R. side, in site where elephant shot yesterday, a band of about 10 monkeys crossed road from W. to E. Then had red-brown bodies, very black thighs (+ sharp division w. brown at sides over [illegible]), white throats, + seemed larger than C. l'hosti C. mititans. Even 2 juns. had white throat, + now seem to look. Surely not C. mitis - probably C. l'hosti.