Fishes from the Tanganyika Territory, 105 



Barlus aphantogramma, sp. n. 



Depth of body 3^ to 3| in tlie lengtli, lengtli of head 3^ 

 to 4. Snout as long as or shorter tlian diameter of eye, 

 which is 3^ to 4 in length of head; interoibital width 2^. 

 Mouth small, terminal; one baibel on each side, its length 

 about 1 diameter of eye. Dorsal 10-11, equidistant from 

 eye and base of caudal ; third ray a serrated spine, about f 

 length of head ; free edge of fin straight. Anal 8. Pectoral 

 f to f length of head, not reaching pelvics, which are in 

 advance of dorsal. Caudal peduncle 1| to 2 as long as deep. 

 Scales radiately striated, 21 to 23 in a longitudinal series, 6 

 or 7 between dorsal and pelvic, 10 round caudal peduncle ; 

 lateral line absent, or reduced to 2 or 3 anterior scales witli 

 tubules. A dark lateral strij^e ; a dark spot at origin of 

 dorsal, another at origin of anal, a third at base of caudal ; 

 fins pale. 



Ten specimens, 30 to 38 mm. in total length. 



Near B. apleurograntina, Bouleng., from Lake Victoria, 

 which has 25 scales in a longitudinal series and 8 round the 

 caudal peduncle, a longer dorsal spine, and a different 

 coloration. 



Pareutropius, gen. nov. 



Differs from Eutropiiis only in the smaller dorsal fin, of a 

 slender spine and three branched rays. 



Pareutropius micris/ius^ sp. n. 



Depth of body 4 to 4^ in the length, length of head 5\ to 6. 

 j\I'>utli terminal or snout slightly projecting, as long as 

 diameter of eye, which is 3^ to 3^ in length of head. Band 

 of teeth on p-ahite continuous or narrowly interrupted in the 

 middle. Nasal barbel f to f length of head, maxillary and 

 outer mandibulary longer tiian head, inner mandibulary about 

 •^ length of head. 12 gill-rakers on lower part of anterior 

 arch. Dorsal I 3, small, well in advance of pelvics ; spine 

 slender, feebly serrated, ^ to ? length of head. Anal 53-55. 

 Pectoral nearly or quite reaching ))elvics. Caudal deeply 

 forked. Caudal peduncle not longer than deep. Brownisii 

 (in spirit) ; a dark spot above pectoral fin; a dark stri|)e 

 along lateral line and another above anal fin. 



Seven specimens ; total length 75-100 mm. 



