568 MR. G. A. BOTJLENGEE ON A COLLECTION 



yellow or orange ; caudal with an orange band, with ( 6 ) or without ( ? ) white and 

 grey markings. 



Total length 75 millim. 



Three specimens from Mpala and three from Tembwi. Native name : Sembe. 



The females carry eggs in the mouth. 



57. Pelmatochromis rhodostigma, sp. n. (Plate XXXIX. fig. 3.) 



Depth of body 3| times in total length, length of head 3 times. Snout with slightly 

 curved upper profile, as long as the eye, which is 3 times in length of head and slightly 

 exceeds interocular width ; mouth extending to below anterior border of eye ; teeth 

 forming a narrow villiform band, some enlarged and curved on the side of the lower 

 jaw; two series of scales on the cheek. Gill-rakers short, 10 on lower part of anterior 

 arch. Dorsal XIII 13-14, spines equal from the fifth, about f length of head, soft 

 rays not longer. Anal III 7-8, third spine as long as longest dorsals. Pectoral 

 acutely pointed, as long as head, reaching origin of anal. Ventral reaching origin of 

 anal. Caudal peduncle once and % as long as deep. Caudal deeply notched. Scales finely 

 denticulate, 34-35 ?| ; lateral lines ??. Olive above, silvery white below ; longitudinal 

 series of pink dots on the body ; throat pink ; dorsal streaked with pink ; pectorals 

 and ventrals pink ; a pink band on each lobe of the caudal. 



Total length 75 millim. 



Two specimens from Mshale. Native name : Kasalu. 



This species is closely allied to the preceding. It differs in the enlarged teeth on 

 the sides of the lower jaw and in the number of scales in a transverse series. 



58. Pelmatochkomis auritus Blgr. (Plate XXXIX. fig. 4.) 



Two adult specimens from the Kazzaga market, native name Kibombobombo ; three 

 young from Mshale, native name Kanyamitenga. 



The coloration of the adult when fresh is described as light olive above, silvery 

 below, with a good deal of yellow towards the tail; three or four longitudinal rows of 

 iridescent bluish spots in the middle third of the body ; dorsal and anal fins with white 

 spots, the former tipped yellow and black ; pectorals yellowish, ventrals white ; caudal 

 with white spots and yellow bars, and tipped blackish. Young specimens, measuring 

 65-70 millim. (Plate XXXIX. fig. 4), have very distinct silvery oblique stripes on the 

 body ; the dorsal and anal fins are uniform brown. The caudal fin of these young 

 specimens is truncate, not emarginate. 



I agree with Pellegrin in referring this species, originally described as a Paratilapia, 

 to Pelmatochkomis. 



59. Ectodus descampsi Blgr. 



Three specimens from Sumbu. Native name : Kasha. 



Total length 80 millim. In his notes Dr. Cunnington mentions that these are 



