122 Mr. O. Tliomas on small Mammals 



to indicate tliat the latter was obtained in tlie Gambia, wliere 

 Mr. Dalton also collected. 



C. daltoni is a pale local representative of the group with 

 3 — 2=10 mammae, just as E. gamhianus, found with it, 

 represents the multimammate species. 



21. Epimys sp. 



Sixteen specimens. Gemenjulla, Gambia. 

 A large grey-brown multimarnmate sp?cies ; perhaps 

 E. erythrolencits, Tenim. 



22. Epimys sp. 



(J. A. 10. Talicori, French Gambia. 



Without a female example, to indicate the mammary 

 formula, I do not venture definitely to determine this 

 .•specimen. 



23. Epimys gamh'iamis, sp. n. 



Twelve specimens from various localities in French 

 Gambia. 



A small fawn-coloured or sandy member of the multi- 

 mammate group. 



General appearance very much as in the Upper Nile 

 E. blainei, Wrought. Colour of upper surface sandy fawn, 

 as in desert animals commonly, very different from the usual 

 grey or brown of the other multimammate species. Under 

 surface creamy white, th-e bases of the hairs slaty grey. 

 Ears large, though rather smaller than in E. hlainei, greyish 

 brown, their minute hairs white. Hands and feet white. 

 Tail rather longer than head and body, fairly well haired, 

 grey-brown above, whiter below. 



tSkuU about as in E. blainei. 



Dimensions of the type (measured in flesh) : — 



Head and body Oo mm.; tail 97 ; hind foot 'I'l ; ear 17. 



ykuU : tip of nasals to back of parietals 25 ; upper molar 

 series 5'1. 



An ohler and more perfect skull measures : — 



Greatest length 28*2 ; condylo-incisive length 2G'l ; inter- 

 orbital breadth 4*2; breadth of brain-case 12; palatilar 

 length 12*2 ; palatal foramen G"7 ; upper molar series 5. 



y/ai. of type. Gamon, French Gambia. 100'. 



Type. M\\\i male. B.M. no. 11.6.10.87. Original 

 number A. 77. Collected 'Jth April, IIUO. 



This sj)ecies, while quite unlike all the other multimammate 

 forms, is extremely similar to E. blainei of the Egyptian 



