CHEOMIDES. 



535 



spines numerous. Teeth compressed, lobate, in one or two 

 series. Anterior prominences of the branchial arches not 

 numerous, short, conical, hard. Dorsal fin not scaly. 

 Two species from Ceylon and Southern India. 



Chromis. — Body compressed, oblong, covered with cycloid 

 scales of moderate size. Dorsal spines numerous, anal spines 

 three. Teeth compressed, more or less lobate, in one series. 

 Anterior prominences of the branchial arches short, thin, lamelli- 

 form, non-serrated. Dorsal fin not scaly. 



Some twenty species are known from the fresh waters of 

 Africa and Palestine ; the most celebrated is the " Bulti," or 

 " Bolty," of the Nile, one of the few well-flavoured fishes of 



Fig. 244. — Chromis anchecv, from tlie Lake of Galilee. 



that river ; it grows to the length of twenty inches. Two or 

 three species of this genus occur in the Jordan and Lake of 

 Galilee. 



Hemichromis, diff'ering from Chromis in having conical teeth 

 in one or two series. 



Ten species, the range of which is coextensive W'ith that 

 of Chromis. One species, H. sacra, is abundant in the Lake 

 of Galilee. 



Paretroplus, differing from Hemichromis in having nine 

 anal spines. 



One species from Madagascar, 



