Bats of the Genus Coleiua. 577 



Peters and Dobson, the reiative lenirtli of tlie calcar, or the 

 pre.senco or absence ot" a groove on tlie lower lip. 

 Descriptions of new forms : — 



Coleura galJarum , sji. n. 



Size decidedly snialler than in C.afr<i, the forearm usually 

 47—18 mm. in lengtli, the .skull markedly sinallfr in all 

 dimensions. General colour above |)ale bruwu — rather 

 darker than "wood-brown," — the hairs slightly ligiiter 

 towards their bases, but not conspicuously or abruptly bicolor. 

 Under surface similar in general tone, but the bases of the 

 haiis not lighter than the tips. 



JSkull as in C. ofra, except for its smaller size and smaller 

 teeth. Position and development of the small premolar 

 variable. 



Dimensions (see table on p. 579). 



Hub. Suakin, Sonialiland, and Aden. Type from Zeyla, 

 Somaliland. Sea-level. 



Type. Old female. P.M. no. 11.8.2.4. Collected 29th 

 October, 1910, and presented by Dr. li. E. Drake-Hrocknuui. 

 Four skins and six skulls from the tyj>e-loeality. 



Other specimens from Suakin [Anderson, Hailed Smii/i), 

 Aden {Yerbunj), Sheikh, Somaliland {Drake-Drockmun), 

 Lugh, Somali [Bottego). 



Coleura gallarum nilosa, subsp. n. 



Essential characters of the Somali C. gallarum^ but the 

 colour, instead of being more or less uniformly pale brown, 

 is a darker brown — sepia — on the surface, the bases of the 

 hairs being strongly contrasted white ; the long hairs of the 

 nape are white for about 3'5 tnm., the terminal 2 mm. being 

 sepia. Pelow, the general colour is rather greyer, but the 

 bases of the hairs are similarly contrasted whitish, the con- 

 trast showing well in the long hairs of the tianks, which are 

 almost uniformly coloured in Uue gallarum. 



Dimensions (see table on p. 579). 



JJai>. Upper Nile. Type-series from near the mouth of 

 the Baiir-el-Zeraf. 



Tgpe. Adult male. P.M. no. 15. '.). G. 7G. Original 

 number 77. Collected 3rd Eebruaiy, 1914, by Willoughby 

 P. Lowe. Twelve specimens. 



Ann. cO JJag. ^\ Hist. Ser. 8. Vol. xv. 39 



