484 Bulletin American Museum, of Natural History. [Vol. XXII r 



(with metacarpal), 82; 4th finger, 65; 5th, 65; tibia, 23; calcaneum, 10; foot 

 9 mm. The forearm averages 60.6 in a series of 27 adult specimens, ranging 

 from 58 to 63, with 6 at 60, 15 above 60, and 6 below 60. 



Skull (of type), greatest length, 24; zygomatic breadth, 13; width at nasal 

 protuberance, 8 ; mastoid breadth, 1 1 ; width at outer base of canines, 6.5 ; upper 

 lateral toothrow (including canine), 9 ; length of lower jaw, 16. 



Young. Ears smaller, thinner, less prominently ribbed; nasal appendages 

 as in the adult but less developed. Color above seal brown to slaty brown ^ 

 without or with very slight reddish brown suffusion, the basal portion of the 

 fur whitish gray in the darker specimens, faintly buffy gray in the seal brown 

 specimens ; below dark grayish brown to dull drab, the hairs slightly light-tipped. 



Size smaller, forearm averaging 58.3, ranging from 57 to 60 mm., as against 

 60.6 (58-63) in the adults. Greatest length of skull 21 or more, or 2 to 3 mm. 

 less than in adults. 



Represented by 50 specimens, of which 27 were collected at Pouten 

 and 23 at Porten, July 2 to 4, 1904. It singularly happens that all 

 the Pouten specimens, except one, are adults and all the Porten speci- 

 mens, except one, are immature. 



The variation in color in the adults is considerable, ranging from 

 golden russet to seal brown above, and correspondingly below. The 

 young specimens vary from blackish to seal brown. Quite a number 

 have the hairs obscurely tipped with gray, above as well as below. 



This species is doubtless closely related to Hipposideros leptophyllus. 

 (Dobson), from the Khasia Hills, eastern Bengal, but differs from it 

 in being considerably smaller, and in many details of structure, as in 

 the smaller ears, relatively much shorter tail, broader transverse 

 portion 'of the noseleaf, etc. It also seems quite near H. larvatus- 

 (Horsfield), as described by Dobson, also from the Khasia Hills, and 

 thence southward through Burma and Siam to "Java. " 



30. Hipposideros fulvus Gray. 



Thirteen specimens, collected as follows: Rintoi, 6 specimens 

 (4 males, i female, i without indication of sex), July i; Rinsui, 7 

 specimens (4 males, 3 females), July i. All are adult except two- 

 immature examples from Rinsui. 



The Rintoi specimens are all in the bright fulvous pelage, the 

 basal portion varying, however, in different specimens from pale 

 yellowish white to bright golden, and the surface tint from bright 

 yellowish russet to dark brown. The Rinsui specimens are all in the 

 mouse brown pelage, with the basal two-thirds of the pelage nearly 

 white, except one which matches the darkest of the Rintoi series. 

 Forearm, Rintoi series, 39 (38.5-40); Rinsui series (the adults), 

 38-5 (38-39). 



