new West-African Mammals. 281 



gracilis type with a more or less bleached tail-tip. Examples 

 of the true Kordofan sanguineus would be valuable accessions 

 to the British Museum collection. 



The type of the present handsome and distinct species was 

 obtained by Mr. Fox shortly before his death, and was 

 forwarded to the Museum by his brother Mr. J. C. Fox. 



Kerivoula phalcena, sp. n. 



A small pale brown species with subequal incisors. 



Size as in the smallest members of the genus. Fur long, 

 soft, and fine; hairs of back about 7 mm. in length. General 

 colour above uniform pale reddish brown — like " Mars-brown " 

 of Ridgway, but much paler; the hairs of this colour all 

 through, except that on the posterior back they have incon- 

 spicuously darker bases. Extreme tips of some of the rump- 

 hairs silvery bufl^. Under surface similar but rather paler, 

 and with more blackish at the bases of tiie hairs. Membranes 

 and Avings almost naked, the base and edge of the inter- 

 femoral with tiiinly scattered hairs, not forming a fringe, the 

 upper surface of the legs thinly hairy, the feet well haired. 



Ears with inner margin strongly convex, a distinct con- 

 cavity below the tip. Tragus slender, straight, a well- 

 marked projection at its outer base, succeeded above by an 

 emargination, above which there is again a projecting point, 

 forming the broadest part of the tragus ; in front of the 

 middle of the base there is a wart clothed with long hairs, 

 forming a loose tuft ; a particularly prominent tragoid pro- 

 jection present facing the tragus on the inner side of the 

 outer base of the ear. 



Skull very light and delicate, with narrow brain-case. 

 Upper incisors subequal in length, the outer rather shorter, 

 and practically unicuspid, a small secondary cusp at the 

 extreme posterior base of the inner one and at the internal 

 base of the outer. First and second lower incisors tricuspid, 

 third with a single large rounded cusp with minute anterior 

 and posterior secondary cusps. 



Dimensions of the type (the starred measurements taken in 

 the flesh) : — 



Forearm 29*5 mm. (28 mm. in the male). 



Head and body *33 ; tail *40 ; ear *13; third finger, 

 metacarpus 29'5, first phalanx 12 5; lower leg and foot 18-8. 



Skull : greatest length 12*1 ; basi-sinual length 9*1 ; 

 zygomatic breadth 7'1; breadth of brain-case 6*1 ; front of 

 upper canine to back of m^ 5"1. 



JIab. Bibianaha, inland of Denkwa, Gold Coast. Alt. 720'. 

 Ann. ck Marj. N. Hist. Ser. 8. Vol. x. 20 



