PELMATOCHEOMIS. 417 



to 2^ times as long as eye, which is 3J (young) to 6 times in length of 



head, f to 1^ times in interorbital width and equals or exceeds prseorbital 



depth ; mouth large, oblique, extending to below anterior border of eye, 



or not quite so far ; lower jaw more or less projecting in the adult ; 



teeth in 3 to 6 series, all conical or a few of the inner tricuspid in the 



adult, outer more or less distinctly bicuspid and inner tricuspid in the 



young ; outer teeth rather large and curved, 50 to 76 in upper jaw ; 3 to 



5 series of scales on the cheek, width of scaly part much greater than 



diameter of eye in the adult. Gill-rakers short, 8 to 10 on lower part 



of anterior arch. Dorsal XV-XVI 8-10 ; spines increasing in length 



to the last, which measures f to f length of head ; longest soft 



rays ^ to f length of head. Anal III 8-10 ; third spine stronger 



than dorsals, ^ to ^ length of head. Pectoral f to f length of head, 



reaching origin of anal or a little beyond. Ventral reaching origin 



of anal or beyond. Caudal rounded. Caudal peduncle 1 to 1| times 



Ad 1 Q O'i 



as long as deep. Scales denticulate, 30-34 jgin I lateral lines fpj^- 

 Olive-brown to emerald-green above, silvery below ; sometimes one or 

 two more or less distinct dark lateral stripes, dark cross-bars on the 

 back, and a vertical blackish bar below the eye ; a dark opercular spot ; 

 dorsal and caudal fins greyish or bluish purple, the latter and the soft 

 part of the dorsal with small round dark spots ; anal yellow or greyish, 

 sometimes bordered with red, often with a few large, orange, red-edged 

 ocellar spots ; ventrals yellow (females) or black (males). Young often 

 uniform brownish above and white beneath. 



Total length 235 millim. 



Lake Victoria and Victoria Nile ; Lake Albert Edward. 



Mr. E. Degen (C). 



Dr. E. Bayoti (C.) ; 

 Genoa Museum (P.). 



F. H. Melland,Bsq.(P.). 



F. J. Jackson, Esq. (P.). 

 Dr. H. Schubotz (C.) ; 



Grerman C. African 



Expedition. 



