370 



CICRIZDM. 



spines increasing in length to the last, which measures f to f length 

 of head ; soft rays only a little longer, unless produced into filaments. 

 Anal III 12-14 ; third spine a little shorter but stouter than last 

 dorsal. Pectoral f to f length of head, extending to vertical of origin 

 of anal. Ventral reaching vent. Caudal deeply notched. Caudal 

 peduncle nearly twice as long as deep. Scales cycloid or indistinctly 

 denticulate, 60-69 jjpig; lateral lines jjtE&j, the upper extending to 

 caudal peduncle or to root of caudal. Brownish above; silvery white 



Fig. 251. 



ParatUapia stenosoma. 

 Type (Tr. Z. S. 1901). \. 



beneath, with or without blackish spots and longitudinal bands ; dorsal 

 blackish at the tips of the rays. 



Total length 240 millim. 



Lake Tanganyika. 



1-2. Types. S. end of L. Tanganyika. Prof. J. E. S. Moore (C.). 



3. Type. Maswa, S. of Ujiji. „ 



4. Ad. Kaboge. Dr. W. A. Cunnington (C). 



50. PARATILAPIA MICROLEPIS. 



Tilapia microlepis, Bouleng. Tr. Zool. Soc. xv. 1899, p. 94, pi. xx. fig. 3, Ann. 

 Mus. Congo, Zool. i. p. 151, pi. lv. fig. 3 (1900), Poiss. Bass. Congo, p. 478 

 (1901), and Tr. Zool. Soc. xvi. 1901, p. 158, and xvii. 1906, p. 572. 



Boidengerochromis microlepis, Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 304. 



Depth of body 3|- to 4 times in total length, length of head 3 to 

 3^ times. Head 2 to 2| times as long as broad, with feebly curved 

 upper profile ; snout obtusely pointed, longer than broad, as long as 



