450 



Annals of the South African Museum. 



Eutropius lemairii, Bouleng., Ann. Mus. Congo, Zool., i., p. 138, 

 pi. 1., fig. 3 (1900), and Poiss. Bass. Congo, p. 272 (1901). 



Depth of body 4 to 4f times in total length excluding caudal, 

 length of head 4^ to 4f times. Head 1 to U times as long as 

 broad; snout broad, lower jaw projecting; eye perfectly lateral, 

 5 to 6i times in length of head, 2 to 3f times in interorbital width ; 

 width of mouth about equal to interorbital width; vomero-palatine 

 teeth forming an uninterrupted band which is narrower than the band 

 of premaxillary teeth ; nasal barbel ^ to f length of head, maxillary 

 and outer rnandibular f to f, inner mandibular i. Gill-rakers 

 moderately long and thick, widely set, 10-12 on lower part of 

 anterior arch. 



FIG. 102. Eiitropius deprexsirostris. |. 



Dorsal i 6; entirely or nearly entirely in advance of ventrals, li to 

 l T 9 o times as distant from caudal as from end of snout ; its spine 

 slender, feebly serrated behind in its upper half, f length of head. Anal 

 53-56; 3 or 4 anterior rays simple, the following gradually decreasing 

 in length. Pectoral not reaching ventral, its spine feebly serrated 

 on inner side, about as long as and a little stronger than that of 

 dorsal. Caudal deeply forked, with rounded or obtusely pointed 

 lobes ; caudal peduncle about 1 to 1J times as long as deep. 



Colour (of preserved specimens), reddish brown above, whitish 

 beneath ; sides finely speckled with minute dark dots ; an indistinct 

 large dark blotch above the pectoral fin. 



One specimen, 275 mm. in length, from Thabina Eiver, Transvaal 

 (C. J. Swierstra). 



