MICRALESTES. 227 



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

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

 baud ; 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. 



J 



Micralestes humilis. 

 Type (A.M. C). 



1-3. Ad. & hgr. Kinshassa, Stanley Pool. M. A. Greshoff (0.); 



Utrecht University (E.). 

 4-15. Ad. Ja R. (Congo System) at Gr. L. Bates, Esq. (C). 



Bitye, S. Cameroon. 

 16. Skel. „ ,) ,, ,, 



4. MICRALESTES HOLARGYREUS. 



Alestes holargyrms, Gtinth. Ann. & Mag. N. H. (4) xii. 1873, p. 144. 

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

 Micralestes holargyreus, Bouleng. Ann. Mas. Congo, Zool. i. p. 87 (1899), and 

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



Depth of body 2f 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 (g-) in upper jaw, 10 (-j) in lower. Gill-rakers 

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

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

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

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

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



q2 



