Tin- Fi'fxJi ii'nl IT F/.s7/rx nf SnnfJi Africa. 535 



as long as eye, which is 3f to 4 in length of head, and equals or 

 slightly exceeds interorbital width, equals preorbital depth ; mouth 

 moderate, ^ to f width of head, extending to between nostril and eye ; 

 4 series of scales 011 the cheek, width of scaly part equal to or 

 slightly greater than diameter of eye. Gill-rakers short, 10 to 12 on 

 lower part of anterior arch. 



Dorsal xv-xvi 12-13 ; spines increasing in length to the last, which 

 measures to -} length of head ; longest soft rays f to ^ length of 

 head. Pectoral a little shorter than head, reaching to vent or a little 

 beyond. Ventral reaching to vent or to origin of anal. Anal iii 8-9 ; 

 3rd spine ^to -} length of head. Caudal rounded-subtruncate ; caudal 



peduncle as long as deep. Scales cycloid, 32-34 t^ ; lateral lines j 3 iJ- 5 - 



Colour (of preserved specimens) light brown, darker above than 

 below, with rather indistinct dark cross-bars ; dorsal, anal and caudal 

 with numerous round or ocellar dark spots ; pectorals greyish ; ventrals 

 blackish ; a dark opercular spot. 



Four specimens, ranging from 86-147 mm. in length, from Kafue 

 River, Rhodesia (J. Drury.) 



One specimen, 118 mm. in length, from Kafue River, collected by 

 Rogers and Chubb. Bulawavo Museum. 



PELMATOCHROMIS. 



Pelmatochromis, Steindr., Notes Leyd. Mus., xvi, 1894, p. 40 ; 

 Bouleng., Proc. Zool. Soc., 1898, p. 147, Poiss. Bass. Congo, p. 433 

 (1901) ; Fish. Nile, p. 484 (1907), and Freshw. Fish. Africa, iii, p. 

 377 (1915) ; Pellegr., Mem. Soc. Zool. France, xvi, 1904, p. 275. 



Chromidotilapia, Bouleug., Proc. Zool. Soc., 1898, p. 151. 



" Barely distinguishable from Paralilapia by the greater develop- 

 ment of a papillose pad on each side of the pharynx, close to the upper 

 part of the branchial arches, and appearing as a strong prominence in 

 front of the latter when the gill-cover is lifted up." 



1. *PELMATOCHROMIS DARLINGI, Blgr. 



Bouleug., Ann. and Mag. Nat. Hist. (8), vii, 1911, p. 377; and 

 Freshw. Fish. Africa, iii, p. 410, fig. 280 (1915). 



" Depth of body equal to length of head, 2f times in total length. 

 Head 2 J- times as long as broad ; snout as long as broad, with slightly 

 convex upper profile, a little longer than eye, which is 3f times in 

 length of head and slightly exceeds interorbital width or preorbital 



