SYNODONTIS. 



Fig. 323. 



431 



Synodontis humeratus. 

 Tracing of the original sketch, reduced to |. (After Vaillant.) 



25. SYNODONTIS MELANOPTERUS. 

 Bouleng. Proc. Zool. Soc. 1902, ii. p. 327, pi. xxix. fig. 1. 



Depth of body 8J to 3J times in total length, length of head 3J to 

 3f times. Head a little longer than broad, rugose above behind snout, 

 which is obtusely pointed and slightly longer than postocular part of 



Fiff. 324. 



Synodontis melanopteriis. 

 Type (P. Z. S. 1902). 



head ; eye supero-lateral, 5| times in length of head, twice in inter- 

 orbital width ; lips moderately developed ; preemaxillary teeth forming 

 a short and broad band ; movable mandibular teeth about -| diameter of 

 eye, 35 to 40 in number. Maxillary barbel with a broad marginal 



