PELMATOCHEOMIS. S83 



measures ^ to f length of head (in young, third to fifth spines longest, 

 5 length of head) ; longest soft rays J to f length of head. Anal III 8 ; 

 spines very strong, third \ to § length of head. Pectoral as long as or 

 a little longer than head, reaching origin of anal. Ventral produced 

 into a filament, reaching vent. Caudal scaly, rather deeply emarginate. 

 Caudal peduncle longer than deep. Scales cycloid or feebly denticulate, 



6-8 



55-67 3 ; lateral lines ?^f, the lower extending far forward. 

 16-19 4i-4;J 



Golden, greyish brown, or olive-brown above, with or without 5 or 6 

 more or less distinct darker bars on the body ; dorsal, and sometimes 

 also anal and caudal, with reddish or purplish brown streaks or a wide- 

 meshed network. 



Total length 300 millim. 



Lake Tanganyika. — Types in Congo Museum, Tervueren. 



1-2. Types. Kinyamkolo. Prof. J. E. S. Moore (C). 



3. Type. Kibwesi. ,, 



4-5. Ad. & yg. Mtondwe Bay. Dr. W. A. Cunnington (C). 



6. Ad. Nitimkolo. „ 



7-8. Hgr. & yg. Mouth o£ Little Rusisi R. Dr. L. Shippers (C). 



9-10. Ad. & yg. Vua Bay. 



2. PELMATOCHROMIS JENTINKI. 



Faratilapia (Pelmatochromis) jentinJdi, Steiud. Notes Leyd. Mus. xvi. 1894, p. 43, 



pi. ii. fig. 1. 

 Pelmatochromis jentinki, Bouleng. Proc. Zool. Soc. 1898, p. 148, and 1900, p. 516; 



Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 277, and Arm. Instit. Oceanogr. 



vi. 4, 1914, p. 59, pi. ii. fig. 1. 



Depth of body 2\ to 2f times in total length, length of head 3 to 

 o\ times. Head nearly twice as long as broad ; snout rounded, with 

 convex upper profile, as long as broad, as long as or longer than eye, 

 which is 2-f to 3£ times in length of head, 1 to 1-J times in interorbital 

 width, and equals or exceeds prasorbital depth ; mouth rather small, 

 extending to between vertical of nostril and eye ; teeth small, in 2 to 

 4 series, 40 to 50 in outer series of upper jaw ; 3 or 4 series of scales 

 on the cheek, width of scaly part much less than diameter of eye. Gill- 

 rakers short, broad, tubercular, 12 to 15 on lower part of anterior arch. 

 Dorsal XI1I-XV 16-17; spines rather slender, rapidly increasing in 

 length in front and slightly behind, last about A length of head ; longest 



