G8G Mr. J. R. Norman on new 



Head nearly black, a broad inctallic-silver collar on uppoi- 

 surface of neck. Body minutely variegated with dark grey 

 on silver, equally variegated beneatli, but brighter and more 

 yellowish in tone ; end of tail silver, terminal sjiine darker. 

 The whole l)ody has a metallic lustre, and the under surface 

 somewhat resembles certain biotite or hornblende granites 

 when polished. 



Total length .30.5 mm. 



This species is described from a single adult, collected by 

 Mr. Loveridge near Kilosa, Tanganvika Territory. Tlu; 

 specimen was dispatched to Mr. Orowther, of Diilwich 

 College, alive, but died upon the way after having shed iis 

 skin. It is now preserved in the collection of the British 

 Museum. 



Its name — e.vcentricu.t — refers to its general appearanc, 

 wliich is odd in the extreme. 



LXXXIX. — Four upfo Fishes from Tamjanyika Territory. 

 By J. R. iS^OKMAN. ' 



(Published hy permission of tlie Trustees of the British ]\[useuni.) 



The fishes described below form j)art of a collection from 

 ]\Il)anganye, Rutigi River, Tanganyika Territory, received 

 from Mr. A. Loveridge. 



Distickodus ritfigieyisis, sp. n. 



Depth of body 2^ to 2^ in length, length of head 4^- to 4i. 

 Head as long as deep, about tw^'ce as long as broad. Snout 

 not compressed, projecting beyond mouth, its length 1 to 1^ 

 times diameter of eye, which is .3^ to 4 in length of head and 

 1^ to 2 in interorbital width. Maxillary extending to below 

 nostril; teeth in 2 series in both jaws, 20-25 in outer series 

 of upper jaw. 15 gill-rakers on lower part of anterior arch. 

 Dorsal 19-20 (4 unbranched), equally distant from occiput 

 and caudal, or a little nearer latter; longest ra3's distinctly 

 longer than head. Adipose fin moderately large, separated 

 from rayed dorsal by a space equal to § the base of the latter. 

 Anal 14-1.5 (.3 unbranched) ; base | base of dorsal. Pectoral 

 f to ^ length of head, shorter than pelvics. Caudal forked, 

 upper lobe pointed and slightly longer than lower, tvhich is 



