108 



SERRANID.E. 



76. 



Hgr. 



77- 



-79. Yg, 



80. 



Yg. 



81. 



Yg. 



82. 



Ad. 



8)3. 



Ad. 



84. 



Yg. 



Erpkon, Upper Niger. 

 Agberi, Lower „ 

 R. Benue, N.oflbi. 



Boma, Lower Congo. 

 Dolo, Stanley Pool. 

 Monsembe, Upper Congo. 

 Banzyville, Ubanghi. 



J. S. Budgett, 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. Royatix (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 marice, Steind. Anz. Ak. Wien, 1909, p. 399. 



Depth of body 3£ to 3^ times in total length, length of head 2f (young) 

 to 3^ times. Upper profile of head nearly straight or slightly concave 

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



Fie. 83. 



Lales microlepis. 

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



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 ; praeorbital finely serrated ; cheeks, opercles, and occiput covered 

 with small scales ; prceopercular border forming nearly a right angle, 

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



