EAST AFRICAN MAMMALS IN NATIONAL MUSEUM. 173 



Plate 19. 



Skulls of type-specimens (natural size). 



Left. CEnomys hypoxanthus vallicola Heller. Adult female; Cat. No. 162614. 

 (=(Enomys bacchante vallicola.) 



Right. Epimys kaiseri centralis Heller. Adult male; Cat. No. 165035. {=Rattus 

 kaiseri helleri HoUister.) 



Plate 20. 



Skulls of type-specimens (natural size). 



Left. Thamnomys loringi Heller. Adult female; Cat. No. 161904. (=Rattus 

 nigricauda loringi. ) 



Right. Mus peromyscus Heller. Adult male; Cat. No. 161905. (=Rattus tull- 

 bergi peromyscus. ) 



(From Smithsonian Misc. Coll., vol. 52, part 4, pi. 56. 1909.) 



Plate 21. 



Skulls of type-specimens (natural size). 



LTpper figures. Epimys kaiseri turneri Heller. Adult female; Cat. No. 183395. 

 {=Rattus kaiseri turneri.) 



Middle figmres. Epimys endorobse Heller. A-dult male; Cat. No. 162888. (—Rattus 

 dennise.) 



Lower figures. Epimys taitx Heller. Adult male; Cat. No. 181797. (=Rattus 

 taitse.) 



Plate 22. 



Skulls of type-specimens (natural size). 



Upper figures. Epimys alleni kaimosse Heller. Adult female; Cat. No. 181794. 

 (=Rattus Stella kaimosse.) 



Middle figures. Epimys niveiventris ulx Heller. Adult female; Cat. No. 162887. 

 (= Rattus fumatus fumatus.) 



Lower figiu-es. J/zts f ana True. Adult female; Cat. No. 36055. (= Rattus tana.) 



Plate 23. 

 Skulls of type-specimens (natural size). 



Upper figures. Epimys coucha ismailix Heller. Adult male; Cat. No. 165108. 

 {= Rattus coucha ismailise.) 



Middle figures. Rattus coucha tinctus Hollister. Adult male; Cat. No. 183294. 



Lower figures. Epimys coucha neumani Heller. Adult male; Cat. No. 181795. 

 (=Rattus coucha neumani.) 



• Plate 24. 



Skulls of type-specimens (natural size). 



Upper figures. Leggada naivashx Heller. Adult male; Cat. No. 162885. (=Mus 

 triton triton.) 



Middle figures. Epimys panya Heller. Adult male; Cat. No. 161886. (=Rattus 

 coucha panya. ) 



Lower figures. Epimys coucha durumx Heller. Adult male; Cat. No. 181796. 

 (=Rattus coucha durumx.) 



Plate 25. 



Skulls of type-specimens (natural size.) 

 Mv^ musculoides emesi Heller. Adult male; Cat. No. 164819. ( = Mus emesi.) 

 Mus hellv^ enclavx Heller. Adult male; Cat. No. 164818. 

 Mus helium gondokorx Heller. Adult male; Cat. No. 164820. 

 Mus hellus petilus Hollister. Adult male; Cat. No. 162397. 



