- 359 



reaching almost to half the height of pm4; and (3) that the anterior 

 lower premolar is less broad than pnu. Thèse points are not touched 

 on by Seabra. 



The crowding together of the lower incisors, which he mentions, 

 is very pronounced in this case, the exterior ones being completely 

 concealed behind the interior. 



De Winton, writing in 1901, thought that N. brunneus might 

 possibly be the same as N. aegyptiacus, but, if I am right in this 

 identification, the two species hâve nothing in common with one 

 another. 



There are no examples of brunneus in the British Muséum collec- 

 tion for comparison, nor does the species appear to hâve corne to 

 light anywhere since Seabra described it in 1900. 



33. — Chaerephon limbatus, Pet. 



884. Makaia N'tete, Lower Mayumbe. 



847. Kidada. 



332, 334. Bolobo, R. Congo. 



143, 145, 146. Borna. 



162, 167, 169, 181. Kisantu. 



In determining thèse spécimens it has been necessary to go into 

 the question of the status of C. frater, Allen, from Malela, 25 miles 

 below Borna, on the Congo, and C. {Lophomops) cristatus, Allen, 

 from Borna itself. 



There appears to be little différence between thèse two species 

 except that the maies of the former are said to hâve no tuft on the 

 interaural membrane, but only a bare spot on the crown behind the 

 membrane. In cristatus this bare spot is covered by the tuft when at 

 rest and not erected 



In distinguishing frater fro mlimbatus, Allen refers to the absence 

 of the tuft in frater, and goes on to say « the absence of the white on 

 the lower parts, » (i. e. in limbatus) « and the character of p2, would 

 also exclude limbatus from further considération in this connection ». 



As to p2, I find that its position varies in différent skulls, and is 

 not a permanent character, while the présence of white on the under- 

 parts is a characteristic feature of limbatus. 



