PELMATOCHEOMIS. 



415 



round orange spots on its posterior half; inner rays of ventral fin yellow, 

 outer blackish ; caudal fin greyish. 



Total length 155 millim. 



Lake Victoria. 



1. Type. Bunjako. 



'I. Type. Entebbe. 



Mr. E. Degen(C.). 



2<J. PELMATOCHROMTS AURITUS. 

 Paratilapia aurita, Bouleng. Ann. & Mag. N. H. (7) vii. 1901, p. 2, Poiss. Bass. 



Congo, p 417 (1901), and Tr. Zool. Soc. xvi. 1901, p. 150, pi. xix. fig. 2. 

 Pelmatoclironiis auritus, Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 284 ; 



Bouleng. Tr. Zool. Soc. xvii. 1906, p. 568, pi. xxxix. fig. 4. 



Depth of body nearly equal to length of head, 3 to 31 times in total 

 length. Head 2 to 2\ times as long as broad ; snout rounded, with 

 convex upper profile, as long as broad and as long as eye in the adult, 



Fig. 284. 



Pelm atochromis auritus. 

 Type (Tr. Z. 8. 1901). |. 



shorter in the young ; eye 2| (young) to 3| times in length of head, 

 equal to or greater than interocular width ; mouth moderate, extending 

 to below anterior fourth or third of eye ; teeth small, in 2 or 3 series, 

 60 to 80 in outer series of upper jaw; 4 or 5 series of scales on the 

 cheek, width of scaly part equal to or a little less than diameter of eye. 

 Gill-rakers moderate, 10 to 12 on lower part of anterior arch. Dorsal 

 X"\^-XVn 9-10 ; spines increasing in length to the last, which is ^ or 

 a little less than J length of head ; longest soft rays produced into 

 filaments, as long as or a little shorter than head. Anal III 8; third 

 spine stronger and shorter than last dorsal. Pectoral as long as or a 

 little longer than head, reaching origin of anal or a little beyond. 



