MICRALESTES. 



227 



peduncle a little longer than deep. Scales 27-30 ||, 2 between lateral 

 line and root of ventral. Olive above, whitish beneath ; a silvery lateral 

 band ; anal and caudal whitish or bluish grey, the latter with an orange 

 spot on each lobe. 



Total length 75 millim. 



Congo. — Type in Congo Museum, Tervueren. 



Fig. 170. 



1-3. Ad. & hgr, 

 4-15. Ad. 

 IG. Skel. 



MicraJestes humUis. 

 Type (A. M. C). 



Kinshassa, Stanley Pool. 



Ja R. (Congo System) at 

 Bit^'o, S. Cameroon, 



M. A. Greshoff (C); 



Utrecht University (E.). 

 G. li. Bates, Esq. (C). 



4. MICRALESTES HOLARGYREUS. 



Alestes holar(ji/rens, Giinth. Ann. & Mag. N. H. (4) xii. 1873, p. 144. 

 Alestes hrev'ipinnis, Perugia, Ann. Mus. Genova, (2) x. 1891, p. 975. 

 Micralestes Jiolarr/i/reus, Bouleng. Ann. Mus. Congo, Zool. i. p. 87 (1899) and 

 Poiss. Bass. Congo, p. 162 (1901). 



Depth of body 2| to 3 times in total length, length of head 3^ to 4 

 times. Head twice as long as broad, a little longer than deep ; snout 

 shorter than eye, which is 2^ to 3 times in length of head ; interorbital 

 width J to f length of head ; maxillary extending to below anterior 

 border of eye ; 14 teeth (^) in upper jaw, 10 (^) in lower. Gill-rakers 

 short, 12-13 on lower part of anterior arch. Dorsal II-III 8, originatino- 

 immediately behind vertical of base of ventrals, a little nearer caudal 

 than end of snout, longest ray | to | length of head. Anal III 17-19. 

 Pectoral a little shorter than head, reaching or nearly reachino- ventral. 

 Caudal forked, with pointed lobe. Caudal peduncle a little longer than 



q2 



