SILURTD.i:. 



293 



front or lower slightly projecting ; eye lateral, 3| to 5 times in length of 

 head, 2J to 3 times in interorbital width, which equals width of mouth ; 

 vomero-palatine teeth forming an uninterrupted or slightly interrupted 

 band, which is as broad as praemaxillaiT band. Nasal barbel a little less 

 than ^ length of head, maxillary f to f, outer mandibular f to \, inner 

 mandibular y to f. 8 to 10 gill-rakers on lower part of anterior arch. 

 Dorsal 16, in advance of ventrals; spine slender, finely denticulate 

 behind. Anal 53-57. Pectoral not reaching ventral, its spine finely 

 serrated on inner side. Caudal forked, with pointed lobes. Caudal 

 peduncle about as long as deep. Brown above, silvery on the sides and 

 beneath; two brown longitudinal streaks above the lateral line, a third 

 below it, and another at the base of the anal fin ; a black spot above 

 the pectoral fin. 



Total length 270 millim. 



Ngomo, Ogowe. — Types in Paris Museum. 



Differs from E. depressirostris chiefly by the broader band of vomero- 

 palatiue teeth, fewer gill-rakers, and the coloration. 



10. SCHILBE, Cuv. 

 1. SCHILBE MYSTUS, L. 

 Gilclir. & Thomps. Ann. S. A£r. Miis. xi. lt»i;?, p. 451 ; PoUegr. Poiss. Bass. 

 Tchad, p. 95, pi. ix. fig. 3 (1914). 



Add:— 



Okovango 1^, L. Nganii. R. B. ■\Voosi)aiii, Esq. (C). 

 Head-waters of Aboina R., Capt. R. D. GarJ'iiei- (P.). 



Cross R. 

 Culufu R. at Bafata, Dr. W. J. Ansorge (C). 



Portug. Guinea. 

 Malawa R., Kavirondo, Sir F. J. Jackson (P.). 



4000 ft. 



126-130. AJ. & hgr. 



131. Yg. 



132. Yg. 

 133-134. Ad. 



2 a. SCHILBE CONGOLENSIS. 

 Steind. Anz. Ak. Wien, 1912, p. 445. and Denksclir. Ak. Wien. Ixxxix. 1913, 

 p. 30. 

 Depth of body 3^ to 3f times in total length, length of head 3| to 3f 

 times ; nape ascending very abruptly from the occiput to the dorsal fin. 

 Head 1^ to IJ times as long as broad ; snout extending a little beyond 

 lower jaw; eye 5 times in length of head, interorbital width 1| to 1| 



