OF FISHES FEOM LAKE TANGANYIKA. 95 



and very obtuse. Depth of body 3f times in total length, length of head 3. Snout 

 short, with rounded upper profile ; eye very large, a little longer than the snout, its 

 diameter 2J in length of head, and slightly greater than the interorbital width ; mouth 

 small, ^ width of head, extending to between nostril and eye ; a few deciduous scales 

 on the cheek ; larger scales on the opercle. Gill-rakers very short, rather thick, 17 on 

 lower part of anterior arch. Dorsal XIII 14 ; spines slender, equal in length from the 

 seventh, measuring f length of head, and a little shorter than longest soft rays. 

 Pectoral falciform, slightly longer than the head, extending as far as origin of anal. 

 Ventral prolonged in a long filament, extending beyond origin of anal. Anal III 10 ; 

 third spine shorter but stronger than longest dorsals. Caudal with deep crescentic 

 notch. Caudal peduncle a little longer than deep. Scales mostly ctenoid, 63 -^ 5 

 lat. 1. ^^- Brown above, with ill-defined darker spots, whitish beneath ; pectorals 



yellowish ; other fins blackish towards the edge. 

 Total length 115 millim. 

 A single specimen. 



SiLUEIDiE. 



17. AUCHENASPIS BISCUTATA Geofifr. 



Native name : " Porocco." 



18. Chktsichthts cbanchii Leach. 



Two young specimens are in the collection. A larger specimen is represented in 

 the series of drawings made by Mr. Moore. 



19. Stnodontis multipunctatus Blgr. 



The young (150 millim.) have the spots on the head and body larger and fewer. 

 Native name : " Katetia." 



CHAE.ACINID.a!. 



20. Alestes maceolepidotus C. & V. 

 Native name : " Ilala." 



21. Alestes maceophthalmus Gthr. 



Native name : " Laala." 

 VOL. XV. — PART IV. No. 2. — December, 1899. 



