EAST AFRICAN MAMMALS IN NATIONAL MUSEUM. 149 
Puate 18. 
Skull of type-specimen of Colobus abyssinicus roosevelti Heller. Adult male; Cat. 
No. 163261. Two-thirds natural size. (=Colobus occidentalis rooseveltt.) 
Puate 19. 
Skull of type-specimen of Phacocherus africanus bufo Heller. Immature female; 
Cat. No. 164796. Much reduced. 
Puates 20-21. 
Skull of type-specimen of Hippopotamus amphibius kiboko Heller. Adult male; 
Cat. No. 162979. Much reduced. 
PLATE 22. 
Skull of type-specimen of Bubalis cokei kongoni Heller. Adult male; Cat. No. 
162992. Much reduced. (=Alcelaphus cokit kongont.) 
PLATE 23. 
Skull of type-specimen of Bubalis nakure Heller. Adult male; Cat. No. 163130. 
Much reduced. (=Alcelaphus cokti nakurz.) 
PuLatTe 24. 
Skull of type-specimen of Bubalis lelwel roosevelti Heller. Adult male; Cat. No. 
164734. Much reduced. (=Alcelaphus lelwel roosevelt.) 
PLATE 25. 
Skull of type-specimen of Bubalis lelwel keniex Heller. Adult male; Cat. No. 
182009. Much reduced. (=Alcelaphus lelwel kenix.) 
Puates 26-27. 
Skull of type-specimen of Gorgon albojubatus mearnsi Heller. Adult male; Cat. No. 
163020. Much reduced. (=Connochxtes albojubatus mearnst.) 
PuLaTE 28. 
Skull of type-specimen of Cephalophus spadiz True. Adult male; Cat. No. 34707. 
One-half natural size. 
PLATE 29. 
Skull of type-specimen of Cephalophus monticola musculoides Heller. Adult male; 
Cat. No. 182388. Two-thirds natural size. 
Puate 30. 
Skulls of type-specimens (one-half natural size). 
Upper. Sylvicapra grimmia deserti Heller. Adult male; Cat. No. 182219. 
Lower. Sylvicapra grimmia altivallis Heller. Adult female; Cat. No. 164746. 
Puate 31. 
Skull of type-specimen of Sylvicapra grimmia altivallis Heller. Adult female; 
Cat. No. 164746. One-half natural size. 
