MICEALESTES. 229 



behind rertical of base of ventrals, a little nearer caudal than end of 

 snout, anterior branched rays produced, much longer than head. Anal 

 III 15-16. Pectoral as long as or slightly shorter than head, not 

 reaching base of ventral. Caudal forked, lobes pointed. Caudal 

 peduncle a little longer than deep. Scales 25-27 -^^, 2 between 

 lateral line and root of ventral ; lateral line incomplete, confined to 

 10-16 scales. Reddish, silvery below ; a blackish streak on each side 

 of the caudal part of the body, extending on median rays of caudal fin. 



Total length 70 millim. 



South Cameroon. 

 1-i. Types. Kribi E. at Efulen. G. L. Bates, Esq. (C). 



6. MICRALESTES INTERRUPT OS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 88, pi. xxxvi. fig. 6 (1899), and Poiss. 

 Bass. Congo, p. 164 (1901). 

 Depth of body 3 times in total length, length of head 3|- to 3 J times. 

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

 shorter than eye, which is 2| times in length of head and equals inter- 

 orbital width ; maxillary extending to below anterior border of eye ; 

 12 teeth (|) in upper jaw, 10 (2) in lower. Gill-rakers short, about 12 

 on lower part of anterior arch. Dorsal II 8, originating immediately 

 behind vertical of base of ventrals, a little nearer caudal than end of snout, 

 longest ray as long as head. Anal IV 17-18. Pectoral f length of 



Fig. 173. 



Alicralestes interruptus. 

 Type (A. M. C). 



head, reaching base of ventral. Caudal forked, lobes pointed. Caudal 

 peduncle as long as deep. Scales 21-23 f^, 2 between lateral line 

 series and root of ventral; lateral line incomplete, confined to 7-10 

 scales. Eeddish, with a silvery lateral band. 



Total length 45 millim. 



Upper Congo (Stanley Pool).— Types in Congo Museum, Tervueren. 

 1-2. Types. Stanley Pool. M. P. Delhez (C). 



