YAKICORHINUS. 357 



orbital width ; a minute barbel at angle of mouth ; horny conical or 

 subcorneal tubercles in 2 or 3 series round snout and below eye, the 

 largest on the sides. Dorsal IV 9-10, nearer occiput than root of 

 caudal, originating a little in advance of ventrals, border not or but 

 slightly emarginate, sometimes even slightly convex; last simple ray 

 very strong, bony, smooth, more or less curved, its bony part usually as 

 long as or a little shorter than head in young, f to f length of head in 

 adult. Anal III 5, longest ray a little shorter than head. Pectoral 

 nearly as long as head, not reaching ventral. Caudal deeply forked. 

 Caudal peduncle If to 2 times as long as deep. Scales 30-35 |Fp' ^~^ 

 between lateral line and ventral, 12 round caudal peduncle. Grey or 

 green above, base of scales blue, yellowish below ; fins bluish or pinkish 

 grey. 



Total length 3G0 millim. 



Lake Tsana and rivers of Abyssinia (Blue Nile and Hawash Systems). — 

 Type in Senckenberg Museum, Frankfort (M.). 



1-6. Ad. Zegi, Lake Tsana. Mr. E. Dcgen (0.). 



7. Skel. ,, „ ,, 



8-14. Ad., hgr., & Bahardar, Lake Tsana. „ 



Jg- 

 15-19. Ad. & hgr. Metti R., affluent of Gudar R., Mr. P. C. Zaphiro (C.) ; 



3500 ft. W. N. McMillan, Esq. (P.). 



Didessa R., Guma, 1500 ft. ,, 



Jujn R., affluent of Didessa R., „ 



2000 ft. 



Urgessa R., Limmu, 2300 ft. ,, 



Hurso R., Upper Adal, 2001) ft. Mr. E. Degen (G). 



Marmasa, Gota R., affluent of ,, 



Hawash R,, 1500 ft. 



29-32. Ad. & hgr. Ze Kuala, Hawash R., 4100 ft. Mr. P. C. Zaphiro (C.) ; 



W.N. McMillan, Esq. (P.). 



5. VARICORHINUS MAROCCANUS. 



Pterocapoeta maroccana, Giinth. Nov. Zool. is. 1902, p. 446, pi. xxii. 

 Varicorhinus maroccanux, Bouleng. Ann. & Mag. N. H. (7) xvi. 1905, p. 43. 



Depth of body of to 4^ times in total length, length of head 4 to 4-f 

 times. Snout rounded, much broader than long, its length ^ to -f length 

 of head; eye supero-lateral or nearly lateral, its diameter 4 (young) to 

 6 times in length of head, 2 to 3 times in interorbital width ; mouth 

 wide, curved, its width \ to f ]pngth of head ; a minute barbel, hidden 



20. 



Hgr. 





21. 



Ad. 





22. 



Hgr. 





23- 



-27. Ad. 



& hgr 



28. 



Ad. 





