128 



Megaderma. 

 Megaderma spasmo, Linne. 



Sumatra: Fort de Kock; skin: 1, Q (58 Mm.). 



Here again is another instance of a female with anal-mammae. In 

 this specimen they are much smaller than in the foregoing example, 

 but the pectoral-mammae too are much less developed. 



Vesperugo. 

 Vesperugo abramus Temminck. 

 Java: Buitenzorg; skin: 227, 9 (33.5 Mm.) 288, two cfcf (35 and 



35 Mm.) and four 99 (35, 36, 32.5 and 33 Mm.). 

 Sumatra: Solok; skins: 134, d 1 (32.5 Mm.) and 9 (23 Mm.). 



„ Singkarah ; skins : 93, 9 (30 Mm.), 2 , 9 (35.5 Mm.) and 



cf (14.5 Mm.). 



Dobson observed in his Catalogue of the Chiroptera, 1878, p. 227, 



that in this species the length of the penis is extraordinary and that 



this organ is much greater in V. abramus than in any other species 



of Bat, in proportion to the size of the animal. 



How enormously the penis is developed even in very young speci- 

 mens may be illustrated by our N° 2, <-f from Singkarah. Its fore-arm 

 measures 14.5 Mm. and it may therefore be called a very young 

 specimen, however its penis measures at least 4.5 Mm., thatisnearly 

 one third of the length of the fore-arm! In V. abramus like in other 

 small bats the female seems to be larger than the male. 



Scotophilus. 

 Scotophüus temminckii Horsfield. 



Java: Buitenzorg; skins: 606, cfcT (54 and 47 Mm.). 



Vesper tilio. 

 Vespertüio hasseltü Temminck. 



South -Celebes : Tempe; skin: 5, 9 (41 Mm.). 



According to Dobson, Catalogue, p. 292, this species inhabits the 

 Malay-peninsula , Siam, »Sumatra aud Java. In the collections of the 

 Leyden Museum however are since half a Century specimens from 

 Gorontalo in Celebes, collected by the late Forsten. 



Vespertüio muricola Hodgson. 

 Java: Buitenzorg; skins: 227, cTcf (34 and 33.5 Mm.) and 10 99 

 (35.5, 35, 36.5, 36, 36, 35, 35, 35, 34 and 34 Mm.); 606, 

 two cfcT (35 and 34 Mm.) and four 99 (35, 35.5, 35.5 and 26 Mm.). 



