OF PISHES PEOM LAKE TANGANYIKA. 5G3 



A single specimen from Kigoma. Native name : Nduhu. 



This species occupies an isolated position. The number of spinous rays in the dorsal 

 fin exceeds that of any species previously described of the genus Paratilapia. 



45. Paratilapia pfefferi Blgr. 



Two specimens from Sumbu. Native name : Kilomo. 



Dorsal XVI 9-10 ; Anal III 7-8 ; Scales 32-33 ™ ; Lateral lines ^^. 3 or 4 series 

 of scales on the cheek. 



Dr. Cunnington has noted that the female nurses the embryos in her mouth. One 

 of the specimens, measuring 72 millimetres, has a few large ova (2^millim. in diameter) 

 in the pharynx. 



46. Paratilapia ventealis Blgr. 



Two specimens from Sumbu. Native name : Lala. 



Dr. Cunnington describes the coloration as follows : — Blackish all over, but with 

 blues and greens showing in places ; dorsal fin light blue-green, tipped with blackish ; 

 anal similar, but with broader band of black ; ventrals black, bright yellow and 

 bifurcate at the end. 



47. Paratilapia dewindti Blgr. 



One specimen from Sumbu and one from Lofu River. Native name : Kisangi. 

 Depth of body equal to length of head, twice and f in total length. Lateral lines 



-f^. Described by Dr. Cunnington as dark olive above, silvery below, with five 

 longitudinal stripes of violet alternating with stripes of yellowish ; a black blotch on 

 the gill-cover behind the eye ; gular region yellowish ; dorsal fin with brownish stripes 

 and tipped with yellow ; caudal with olive vertical bars ; ventrals and anal blackish at 

 the ends. 



48. Paratilapia purcipee Blgr. 



Two specimens from Niamkolo and two from Sumbu. Native names : lAukonko 

 (plural MaJconko) and Lala. 



The largest specimen measures 135 millim., the types not exceeding 110 millim. In 

 these large specimens the length of the eye equals that of the snout and the interorbital 

 width and ^ the length of the head. Dorsal XIII-XIV 12-14 ; Anal III 9 ; Scales 

 60-64 ^ ; Lateral lines ^3^. 



Dr. Cunnington describes the colour as olive above, lighter to silvery below, with 

 bright iridescent blues and greens ; gill-cover yellow ; dorsal and anal fins light 

 iridescent violet, with oblique stripes of yellow passing into dark stripes posteriorly, 



4p 2 



