42 Mr. K. Aiulerseii on the Bats of the 



There is searcely any other peculiarity with this species, 

 as compared with H. Coinmersoni, than its remarkably small 

 size (on tlie coloratioji, see below). 



Range. — San Thome, Gulf of Guinea. 



3. IHj)j)osiderus (ji(jas, Wagner. 



Diai/nosis. — Skull very large and heavily built : ante- 

 orbital width about 11 mm. ; upper tooth-row 133-14'5. 

 Size very large : forearm about 108-116 ; third metacarpal 

 about 75-8 1 . 



Front face of upper canines deeply farrowed. 



Range. — From Angola to Gambia; on the eastern side of 

 the Continent as yet known from the Querimba Islands 

 only *. 



3 a. H. (jujas, Wagner, typicus. 



Diagnosis f. — Nose-leaves not enlarged: width of horse- 

 shoe and of posterior leaf about 11-12 mm. 

 Range. — Angola; Rio Muni (Benito River). 



3 b. H. gigas gambiensis, subsp. n. 



Diagnosis X. — Nose-leaves larger : width of horseshoe and 

 posterior leaf about 13 mm. 



In the specimen examined there are three supplementary 

 leaflets only, no trace of a fourth. 



Ti/pe. — $ ad. (in alcohol). Gambia. Presented by the 

 Earl of Derby. Brit. Mus. no. 42. 9. 27. 3G §. 



Colour. 



In the style of colour all bats of the Commersovi type are 

 very similar to H. diadema \\ : — a dark brown "horseshoe" 

 (Y-shaped) patch ou the Ijack ; a more or less distinct white 

 patch on either flank, at the insertion of the propatagium ; a 



* From this latter locality (the Querimba Islands) I have .seen no 

 specimens. But one cjf the two bats called b}' Prof. Peters I'hyllorhinii 

 vittala (the male, not tlie female) and obtained by him in Ibo Island is 

 undoubtedly a //. 'ji'jas (' Keise nach Mossambique,' Siiugeth. p. 'io). 



t 8 specimens examined : — o (1 ale, 2 skins), from various places in 

 Ano'ola ; 2 (1 ale, 1 skin), Benito River; 3 (2 ale, 1 skin), without 

 exact locality. 5 slculls : 3 Angola ; 1 Benito River ; 1 without details. 



\ 1 specimen, with skull, the type, examined. 



§ Temminck's Phyllorhina vittata, from the Gold Coast (* Esquisses 

 Zoologique*,' pp. 72-74, 185"'i), mav belong to this form. 



II Ann. .'t Mag. Nat. Hist. (7) xvi. p. oO;3 (Nov. PJOO;. 



