108 



SEREAKID.E. 



Erpkon, Upper Niger. 

 Agberi, Lower „ 

 11. Beuue, N. of Ibi. 



Boma, Lower Congo. 

 Dolo, Stanley Pool. 

 Monseinbe, Upper Congo. 

 Eiinzyvillej Ubanglii. 



J. S. Bu^gett, Esq. (P.). 

 Dr. W. J. Ansorge(C.). 

 H. L. Norton Traill, Esq. 



(C). 

 Capt. Wilverth (C). 

 M. P. Delhez (C). 

 Rev. J. H. Weeks (P.). 

 Capt. Royanx (C). 



2. LATES MICROLEPIS. 



Bouleng. Tr. Zool. Soc. xv. 1898, p. 6, pi. i. fig. 1, and 1899, p. 87, Poiss. Bass. 



Congo, p. 382 (1901), and Tr. Zool. Soc. xvii. 1906, p. 555. 

 Lales mariw, Steiud. Anz. Ak. AVien, 1909, p. 399. 



Depth of body 3j to 3^ times in total length, length of head 2|- (young) 

 to 31 times. Upper profile of head nearly straight or slightly concave 

 snout as long as eye in young, up to 2 J times in adult ; eye 3^ (young) to 



Fig. 83. 





Lates microlepis. 

 Type (Tr. Z. S. 1898). |. 



9 times in length of head; interorbital width f diameter of eye in very 

 young, greater than eye in adult ; maxillary extending to below centre or 

 posterior border of eye, the width of its distal extremity f to f diameter 

 of eye ; prseorbital finely serrated ; cheeks, opercles, and occiput covered 

 with small scales ; prsBopercular border forming nearly a rio-ht angle, 

 sometimes a little produced at the angle, finely toothed en its vertical 



