ALESTES. 



201 



7. ALESTES THOLLONI. 

 Pellegr. Bull. Mus. Paris, 1901, p. 329. 



Depth of body a little less than 3 times in total length, length of head 

 4 times. Head a little longer tlian deep ; snout shorter than eye, which 

 is 2f times in length of head ; adipose eyelid feebly developed ; inter- 

 orbital width a little greater than diameter of eye ; maxillary hardly 

 reaching to below anterior border of eye ; 14 teeth (|) in upper jaw, 

 10 (2) in lower. Dorsal II 8, originating above base of ventrals, at 

 equal distance from end of snout and from caudal. Anal II 24-26. 

 Pectoral nearly reaching base of ventral. Caudal forked. Scales 32 g|, 

 2 between lateral line and root of ventral. Silvery, back bluish. 



Total length 105 millim. 



French Congo. — Types in Paris Museum. 



8. ALESTES IlSfTERMEDIUS. 

 Bouleng. Proc. Zaol. Soc. 1903, i. p. 22, pi. i. fig. 1. 



Depth of body 3 times in total length, length of head 4 times. Head 

 twice as long as broad, as long as deep ; snout shorter than eye ; latter 

 2 J to 2f times in length of head ; adipose eyelid indistinct ; interorbital 



Fis. 151. 



Alestes intermedius. 

 Type (P. Z. S. 1903). *. 



width J length of head; maxillary not extending quite to below anterior 

 border of eye ; 14 teeth (^) in upper jaw, 10 (|) in lower; length of 

 lower border of second suborbital less than diameter of eye. Gill- 

 rakers moderately elongate, 12-13 on lower part of anterior arch. 

 Dorsal II 8, above base of ventrals, originating a little nearer end of 



