440 ^Ir. G. A. Boulenger on 



Total lenoth 105 mm. 

 A single specimen from Bnganga. 



Allied to P. vidoriana, Pellegr.^ ; distinguished by the 

 larger eye. 



Pelmafochromis Spekii. 



Teeth in 3 to series in both jaws, ontcr large, distant, and 

 curved in the adult. Lower jaw more or less projecting 

 in tiie adult. Depth of body 2q to 3;^ times in total 

 length, length of head 2§ to 2^ tin)es. Head large, with 

 straight or slightly concave upper pi-ofile ; snout once and ^ 

 (young) to twice and ^ diameter of eye, which is 3i to ti 

 times in length of head and 4 to once and ^ in iuterorbital 

 ■width ; mouth oblique ; maxillary extending to below anterior 

 border of eye, or not quite so far; 3 to 5 series of scales on 

 the check. Gill-rakcrs short, 8 or 9 on lower part of anterior 

 arch. Dorsal XV-XVI 9-10; spines increasing in length 

 to the last, which measures l to | length of head ; longest 

 soft rays ^ to |- length of head. Anal ill 8-10; third spine 

 longest, stronger than dorsals, i to ^ length of head. 

 Pectoral f to | length of head, reaching orighi of anal or a 

 little beyond. Ventral reaching origin of anal or a little 

 beyond. Caudal rounded. Caudal peduncle once and ^ to 

 once and ^ as long as deep. Scales ctenoid, 30-33 j^^^g ; 

 lat. 1. lyif^. Olive-brown to cmerald-gi'een above, silvery 

 below ; sometimes an ill-defined dark lateral stripe, cross- 

 bars on the back, and a vertical dark bar below the eye ; 

 a dark opercular spot; dorsal and caudal fins greyish or 

 bluish pur})le, the latter and the soft part of the dorsal with 

 small round daik spots ; anal yellow or greyish, sometimes 

 bordered with vermilion-red, often with large orange ocellar 

 spots encircled with red, on the posterior part ; ventrals 

 yellow or black ; iris greyish white to dark brown, or upper 

 half brown and lower half yellowish white. 



Fifteen specimens, measuring from 95 to 235 mm., obtained 

 at Entebbe, ^lunvongo, Bunjako, and Buganga. 



In the smaller specimens a few of the inner teeth in both 

 jaws are tricuspid, whilst in the larger ones they are all 

 uuicuspid ; the dentition of the young is that of a Tilupia, 



* The very young of all the raratikipia and Pdmatochromis of Lake 

 Victoria have more or less di>tinf;tly bi-or tricuspid teeth, thus rendering 

 the distinction betwt-en these <ieneraaiid Jlap/oc/iroinix or Astatotilujjia a.3 

 ditlicult and uneatislactory as is that between the latter and Tilaina. 



