564 ME. G-. A. BOULENGEE ON A COLLECTION 



the rays tipped with black ; caudal yellow, with dark dorsal and ventral margins ; 

 ventrals light bluish with some yellow stripes, the produced filaments tipped with 



yellow. 



49. Paratilapia stenosoma Blgr. 



A single specimen, measuring 240 millim., from Kaboge. 



Dorsal XV 13; Anal III 14; Scales 69 ^ ; Lat. 1. gg, the upper extending un- 

 interrupted from above the operculum to the root of the caudal fin. 28 gill-rakers on 

 lower part of anterior arch. 



50. Bathybates fjerox Blgr. 



Two specimens from Niamkolo and two from Kasakalawe. Native names: Lilembela 

 (plural Malambela) and Molirdi. 



These specimens measure 160 to 275 millim. and have the fin-formula: D. XIV 15, 

 A. Ill 16-17. 14 or 15 gill-rakers on lower part of anterior arch. The length of the 

 pectoral fin may not exceed §■ that of the head. 



51. Bathybates fasciatds Blgr. 



A single specimen, measuring 335 millim., from Niamkolo. Native name: Mishipa. 



Dorsal XVI 17 ; Anal III 17 ; 19 gill-rakers on lower part of anterior arch ; Scales 

 150 ^ ; Lat. 1. %. Length of head 3J times in total length. Caudal peduncle twice 

 as long as deep. The black basal band on the dorsal fin is absent. 



52. Bathybates minor, sp. n. (Plate XXXVIII. fig. 1.) 



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

 with convex profile, slightly longer than the eye, the diameter of which is contained 

 o-j to 3f times in length of head and slightly exceeds interocular width ; maxillary 

 extending to below anterior border of eye ; teeth in 2 or 3 series in the upper jaw, in 

 2 in the lower; 5 series of small scales on the cheek. Gill-rakers rather short and thin, 

 12 on lower part of anterior arch. Dorsal XIII 15-16, deeply notched, the eighth to 

 eleventh spines being only about half as long as the fifth and last, which are the longest 

 and measure about f length of head; longest soft rays ■§- to i length of head. Anal III 

 16-17, longest soft rays f to ^ length of head. Pectoral pointed, § length of head. 

 Ventral not reaching vent. Caudal forked. Caudal peduncle 1-^ to 1| times as long 



as deep. Scales small and very irregular, 90-95 ^§q 1 lateral lines 37I39. Brown above, 

 silvery on the sides and below ; spinous dorsal black, white at the base ; a black streak 

 along the middle of the soft dorsal. 



Total length 160 millim. 



Two specimens from Kituta and Lofu. Native names : Nswepa and Lulambi. Also 



