420 CICHLID^. 



about -J length of head ; longest soft rays about ^ length of head. 

 Anal 111 8-9 ; third spine as long as or a little shorter than last 

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

 Ventral reaching vent. Caudal rounded. Caudal peduncle IJ to 

 1^ times as long as deep. Scales denticulate, 37-45 p?5jg ; lateral 



20—27 



lines jijzj3. Yellowish olive above, more or less profusely spotted or 

 speckled with black, silvery Avhite 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. Degen (C). 



6. Skel. 



7. Ad. Buganga. ^^ 



8. Ad. Jinja, Ripon Falls. Dr. E. Bayon (C.) ; 



Genoa Museum (P.). 



33. PELMATOOHROMIS FRONTOSUS. 



I'aratilapia frontosa, 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 2| 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 lono'er 

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

 b\ times in length of head and nearly twice in interorbital region ; 

 praeorbital 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 

 XVIIl-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 111 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 



