346 bulletin: museum of comparative zoology. 



to the group in which the anterior upper premolar stands in the tooth- 

 row, between the second premolar and the canine. The color as 

 described by Dobson — " sulphur-brown above, beneath canary 

 colour" — he considers perhaps due to faulty preservation. The 

 type locality is Kordofan. 



Four skins and eleven alcoholics from Abu Zor on the Blue Nile 

 agree structurally in all particulars with dohsoni and undoubtedly are 

 referable to that species. The slight narrowing of the vertical process 

 of the sella at its middle and the high blunt tip of the connecting 

 process are characteristic. The forearm measurement of the type is 

 given as 44 mm., and in our series varies between 42 and 44.5 mm. 

 The color is a smoky or smoky drab above and clear drab below, so 

 that the yellowish tint observed by Dobson is doubtless, as Mr. 

 Thomas suggests, a result of poor preservation. As no cranial 

 measurements are published, the following are appended: — skull, 

 (14,471 M. C. Z.) greatest length 18 mm.; palatal length 6; zygomatic 

 breadth 9.5; mastoid breadth 9; upper tooth row to front of canine 

 6.8; lower tooth row to front of canine 7. 



All our specimens were from a single large colony that inhabited 

 the dark interior of a hollow baobab tree. A huge limb had broken 

 off making a hole about two feet in diameter by means of which access 

 was gained to the interior. The hollow trunk was about ten feet in 

 diameter and the main colony of bats was resting in the upper part of 

 its dark interior. Many, disturbed by my presence flew around and 

 around within the great cavity but did not attempt to pass out into 

 the daylight. A faint chippering note was frequently given as they 

 flew about. All but three of the fifteen preserved proved to be females. 



The British Museum has a specimen of Rhinolophus hipposideros 

 minimus from Sennar, but we did not meet with the species (Andersen, 

 Ann. mag. nat. hist., 1904, ser. 7, 14, p. 455). 



Rhinolophus acrotis Heuglin. 

 Sharp-eared Leaf-nosed Bat. 



Rhinoloi)hus acrotis 'Rew^m, Nova acta Acad. Leop. Carol., 1861, 29, art. 1.5, 

 p. 10; Andersen, Ann. mag. nat. hist., 1904, ser. 7, 14, p. 454. 



At Magangani, about ten miles below Roseires on the Blue Nile, a 

 solitary leaf-nosed bat was found hanging inside a hollow baobab tree. 

 It was a male and apparently represents Heuglin's species, the type 



