104 BULLETIN" 99, UNITED STATES NATIONAL MUSEUM. 



marked subspecies; but elgonis, Teeny ensis, enguvi, and osgoodi are 

 very much alike. They must all be recognized, however, on the basis 

 of the present material. 



For measurements of specimens of Cricetomys see opposite page. 



CRICETOMYS GAMBIANUS RAINEYI HeUer. 



Plate 27. 



1912. Cricetomys gambianus raineyi Heller, Smithsonian Misc. Coll., vol. 59, 

 No. 16, p. 15. July 5. (Mount Gargues, Mathews Range, 6,000 feet, 

 British East Africa; type in U. S. Nat. Mus.) 



Specimens. — Four, from localities as follows: 



British East Africa: Mount Gargues, 2 (Heller); Mount Lolo- 

 lokwi, 2 (Heller). 



CRICETOMYS GAMBIANUS ELGONIS Thomas. 



1910. Cricetomys gambianus elgonis Thomas, Ann. and Mag. Nat. Hist., ser. 8, 

 vol. 5, p. 198. February. (South face of Mount Elgon at 10,000 feet, 

 British East Africa; type in British Museum.) 



Specimens.— Thxee, from the following localities: 



British East Africa: Kaimosi, 1 (Heller); Kakumega,l (HeUer); 

 Lukosa River, 1 (Heller). 



There is much variation in the color of the belly in these three 

 skins. One is buffy white below except for a small area on the chest; 

 one is almost entirely grayish-drab below; and the third is about 

 intermediate between the other two in the coloration of this part of 

 the body. In aU three the white part of the tail is much more exten- 

 sive than the darker basal portion. 



CRICETOMYS GAMBIANUS KENYENSIS Osgood. 



1910. Cricetomys gambianus kenyensis Osgood, Field Mus. Zool., ser. vol. 10, No. 

 2, p. 9. February. (South side of Mount Kenia, British East Africa; 

 type in Field Mus. Nat. Hist., Chicago.) 



Specimens. — Two, from the following localities: 

 British East Africa: Kikuyu, 1 (EQein); Nairobi, 1 (Klein). 

 The Nairobi skin has the underparts pure creamy white, sharply 

 marked from the color of the sides; the Kikuyu skin has the under- 

 parts entirely drab colored, very slightly lighter than the color of 

 the upperparts, and without noticeable line of demarcation. 



CRICETOMYS GAMBIANUS ENGUVI HeUer. 



Plate 28. 



1912. Cricetomys gambianus enguvi Heller, Smithsonian Misc. Coll., vol. 59, 

 No. 16. p. 16. July 5. (Mount Umengo, Taita Mountains, British East 

 Africa; type in U. S. Nat. Mus.) 



Specimens. — Fourteen, from the following localities: 



British East Africa: Macharra, Taita Mountains, 1 (HeUer); 



Mount Mbololo, 5 (HeUer) ; Mount SagaUa, 1 (HeUer) ; Mount Umengo, 



6 (Heller). 



