0)1 new Frcshirater Fishes from Angola. 457 



LVlir. — Description of a new Mormj/rid Fish from the While 

 Nile. By'G. A. Boulenger,.F.R.S. 



Marcusenius Harringtoni. 



Depth of body 3* times in total length, lengtli of heal 5\. 

 Head as long as deep ; snout rounded, f length of head ; 

 nioutli below nostrils, its width ^ length of head ; anterior 

 nostril on a line with lower border of eye, posterior a little 

 lower down; the distance between the anterior nostril and 

 the end of the snout equals that between the posterior and 

 the eye; latter moderate, its diameter | length of snout and 

 ^ interocular width. Dorsal 31, its origin corresponding to 

 that of anal, its length nearly § its distance from liead. 

 Anal 33, equally distant from base of ventral and from base 

 of caudal. Pectoral pointed, a little shorter than head, not 

 quite twice as long as ventral. Caudal scaly, with pointed 

 lobes. Caudal peduncle 3|- times as long as deep, as long as 

 head. 87 scales in the lateral line, J-| in a transverse series 

 on the body, j-| in a transverse series between dorsal and 

 anal, 12 round caudal peduncle. Brown above, white below ; 

 dorsal and anal tins blackish, white at the base ; a blackish 

 streak along each lobe of the caudal fin. 



Total length 305 mm. 



A single male specimen. 



This well-marked species is named after Sir John 

 Harrington. 



LIX. — Descriptions of Four new Freshwater Fishes discovered 

 hy Dr. W. J. Ansorge in Angola. By Gr. A. BOULENGER, 



F.K.S. 



3Ia rcusenius Anso rg ii. 



Depth of body equal to length of head, 4^ to 5 times in 

 total length. Head once and J- as long as deep ; snout 

 rounded, ^ length of head ; mouth small, terminal, but 

 situated below the level of the eyes ; a feeble mental 

 swelling ; teeth small, notched, 7 in the upper jaw, 10 in the 

 lower ; eye shorter than the snout ; anterior nostril on a 

 level with centre of eye, posterior lower down and separated 



Ann. & Mag. N. Hist. Ser. 7. Vol. xv. 31 



