438 



SILURID^. 



as long as deep, 1^ to nearly 2 times as long as its distance from rayed 

 dorsal. Anal III 8-9, rounded. Pectoral spine as long as dorsal, strongly 

 serrated on both sides, especially on the inner. Caudal deeply forked. 

 Brown, uniform or with very indistinct darker spots on the body and 

 fins ; young with large dark brown spots. 



Total length 230 millim. 



Ogowe and Lake Azingo, French Congo. — Type in Paris Museum. 



1-3. Ad. 

 4. Yff. 



L. Azingo, Gaboon. 

 Lainbarene, Ogowe. 



R. B. N. Walker, Esq. {C). 

 Dr. W. J. Ansorge (C). 



30. SYNODONTIS DEPAUWI. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 45, pi. xxii. fig. 2 (1899), and Poiss. Bass. 

 Congo, p. 307 (1901). 



Depth of body equal to or slightly greater than length of head, 3§ to 

 4^ times in total length. Head nearly as broad as long, granulate above ; 



Fig. 329. 



Si/iiodontis depauwi. 

 Type(A.M.C.). ^ 



snout rounded, ^ length of head or a little less; eye supero-lateral, 

 4 (young) to 6 times in length of head, IJ to 2 times in interorbital 

 width ; lips moderately developed ; praemaxillary teeth forming a short 

 and broad band ; movable mandibular teeth not J diameter of eye, 30 to 



