SILURID/E. 823 



56. SYNODONTIS BATENSODA, Kttpp. 



Pellegr. Poiss. Buss. Tchad, p. 112, pi. x. fig. 4 (1914). 



Add:— 



27-46. Yg. Deert, mouth of Gurara R.. J. .). Simpson, Esq. ( P.)'. 



Niger. 



57. SYNODONTIS MEMBRANACEUS, Geoffr. 



Pellegr. op. cit. p. 113, fig. 



Add :— 



24-33. Yg. Deert, mouth of Gurara R., J. J. Simpson, Esq. (P.). 



Niger. 



31 . EUCHILICHTHYS, Blgr. 



3 a. EUCHILICHTHYS HABERERI. 



Steind. Anz. Ak. Wien, 1912, p. 447, and Denkschr. Ak. Wien, lxxxix, 1913, 



p. 45, pi. i. fig. 2. 

 ? Atopochitus savorgnani, Pappenh. Mitth. Zool. Mus. Bcrl. v. 1911, p. 525, fig. 



Body feebly compressed, its depth 3f- times in total length. Head 

 large, moderately depressed, rugose above, \\ times as long as broad, its 

 length 2f times in total length ; snout rounded, a little more than twice 

 as long as postocular part of head ; nostrils nearer end of snout than 

 eye, the diameter of which is 6f times in length of head and 3 times in 

 interorbital width ; buccal cleft straight, f length of head ; mandibular 

 teeth with rounded crowns ; lateral barbels longer than eye. Dorsal 

 I 6 ; spine strong and smooth, \ length of head. Adipose dorsal longer 

 than deep, much shorter than its distance from the rayed dorsal. 

 Anal III 7. Pectoral spine f length of head, inner border serrated. 

 Ventral extending beyond origin of anal. Caudal deeply emarginate. 

 Caudal peduncle as long as deep. Body with small dark brown spots ; 

 dorsal fin with a dark cross-band ; a black spot at the end of each 

 caudal lobe. 



Total length 112 millim. 



Ja River (Congo System), South Cameroon. — Type in Vienna Museum. 



Closely allied to E. dyhowslcii. Eye smaller, pectoral spine longer, 

 adipose dorsal fin shorter. 



