PELMATOCHROMIS. 417 



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

 head, f to 1 J 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 b^ 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 

 as long as deep. Scales denticulate, 30-34 jgrn ; lateral lines nriy* 

 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 ((!.)• 



Dr. E. Bayon (C.) ; 

 Genoa Museum (P.). 



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



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

 Dr. H. Schubotz (C.) ; 



German C. African 



Expedition. 



