420 CICHLId. 



about -§- length of head : longest soft rays about \ length of head. 

 Anal III 8-9 ; third spine as long as of a little shorter than last 

 dorsal. Pectoral f- to § length of head, not reaching origin of anal. 

 Ventral reaching vent. Caudal rounded. Caudal peduncle \\ to 

 \\ times as long as deep. Scales denticulate, 37-45 y^rs 5 lateral 

 lines jjjrjj}. Yellowish olive above, more or less profusely spotted or 

 speckled with black, silvery white beneath ; a small black opercular 

 spot; dorsal fin grey, with round whitish spots; caudal with round 

 dark grey spots with whitish interspaces ; pectoral greyish ; ventral and 

 anal yellow, the latter sometimes with two or three large orange ocellar 

 spots edged with red. 



Total length 200 millim. 



Lake Victoria and Victoria Nile. — Type in Berlin Museum. 



1-5. Ad. Bunjako. Mr. E. Degeu (C). 



6. Slid. 



7. Ad. Bugauga. 



8. Ad. Jinja, Ripon Falls. Dr. E. Bayon (0.) : 



Genoa Museum (P.). 



33. PELMATOCHROMIS FRONTOSUS. 

 Fardtilapia frontoea, Bouleng. Tr. Zcol. Soc. xvii. 1906, p. 561, pi. xxxvii. 

 fig. 1. 



Depth of body 2^ to 2| times in total length, length of head 2f to 

 nearly 3 times. Head twice as long as broad ; forehead gibbose 

 (probably in adult males only), the head at the interorbital region 

 as deep as the body ; snout a little longer than broad, a little longer 

 than postocular part of head, 2\ times as long as eye, which is 5 to 

 5^ times in length of head and nearly twice in interorbital region ; 

 pneorbital depth much greater than diameter of eye ; mouth not 

 extending to below anterior border of eye ; teeth in 3 to 5 series, 

 outer large, especially in front, 40 to 50 in upper jaw ; 5 series of 

 scales on the cheek, width of scaly part 1^ diameters of eye. Gill- 

 rakers rather long, 10 to 13 on lower part of anterior arch. Dorsal 

 XVIII-XIX 8-9 ; spines increasing in length to the last, which 

 measures about ^ length of head ; soft dorsal much produced, longest 

 ray nearly as long as head. Anal HI 7-8 ; third spine as long as, and 

 stronger than, last dorsal. Pectoral as long as or longer than head, 

 reaching vertical of origin of anal or beyond. Ventral produced into 

 a long filament, extending beyond origin of anal. Caudal rounded. 



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