DISCOGNATHUS. 349 



5. DISCOGNATHUS BLANFORDII. 

 Discognathus lamta (non Ham. Buch.), Blanf. Geol. Zool. Abj^ssin. p. 460 (1870) ; 



Vincig. Ann. Mus. Geneva, xvlii. 1883, p. 695. 

 Discognathus blanfordii, Bouleng. Proo. Zool. Soc. 1901, ii. p. 160, and 1903, ii. 



p. 330, pi. xxxi. fig. 2. 



Body very feebly compressed, its depth 4 to 5J times in total length. 

 Head scarcely depressed, 1^ to 1^ times as long as broad, its length 

 4J to 4-|- times in total length ; snout rounded, projecting strongly 

 beyond mouth ; interorbital region flat, its width ^, or a little more 

 than -g-, length of head ; eye supero-lateral or nearly lateral, but not 

 visible from below, in middle, or anterior to middle, of length of head, 

 its diameter 4 (young) to 5-|- times in length of head, 2 to 2^ times in 

 interorbital width ; width of mouth (with lips) about ^ length of head ; 

 upper lip well developed, feebly fringed ; lower lip surrounding a mental 



Kg. 263. 







%' V 



Discognathus blanfordii. 

 Gadschimboda E. (P. Z. S. 1903). i. 



disk which is broader than long ; 2 barbels on each side, measuring 

 I to I diameter of eye ; snout of breeding males with conical horny 

 tubercles. Dorsal III 7, equally distant from anterior border of eye 

 or occiput and from caudal ; longest ray as long as or slightly shorter 

 than head. Anal 11 5. Pectoral as long as head, not reaching ventral, 

 which is situated below second half of dorsal. Caudal deeply emar- 

 ginate. Caudal peduncle 1^ to IJ times as long as deep. Scales 

 33-38 IeJ, 3-4 between lateral line and root of ventral, 16 round 

 caudal peduncle. Olive-brown to blackish above, whitish beneath; 

 usually a few black spots at the base of the dorsal fin. 

 Total length 115 millim. 

 Eastern watershed of Abyssinia, Erythraea. 



1-5. Hgr. & yg., types. Suru, Abyssinia. Dr. W. T. Blanford (P.). 



6. Hgr., types. „ „ W. Jesse, Esq. (P.). 



