308 CICHLIDiE. 



the opercular spot, or very indistinct dark cross-bars on the back ; fins 

 brown, spinous dorsal with a black edge. 



Total length 95 millim. 



Lake Mweru. — Types in Congo Museum, Tervueren. 



1-2. Types. L. Mweru. Capt. Lemaire (C). 



3-8. Ad. & hgr. „ at Lukonzolwa. Dr. L. Stappers (C). 



9. Skel. „ „ „ 



11. PARATILAPIA. 



Bleek. Verh. Ak. Amsterd. ii. 1868, p. 307 ; Bouleng. Proc. Zool. Soc. 1898, 

 p. 137 (part.), and Poiss. Bass. Congo, p. 412 (1901) ; Pellegr. Mem. Soc. 

 Zool. France, xvi. 1904, p. 256 ; Bouleng. Fish. Nile, p. 466 (1907). 



Paracara, Bleek. Versl. Ak. Amsterd. xii. 1878, p. 193. 



Ilaplotilapia, Hilgend. Sitzb. Ges. nat. Fr. Berl. 1888, p. 77. 



Hemichromis, part., PEeff. Thierw. O.-Afr., Fische, p. 19 (1896). 



Bouleng erocliromis, Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 304. 



Body short or more or less elongate ; scales cycloid or ctenoid ; two 

 lateral lines both incomplete, or the upper nearly complete. Two or 

 more series of teeth, the outer conical and sometimes canine-like in the 

 adult, sometimes bicuspid in the young, the others unicuspid or tricuspid; 

 maxillary usually exposed when the mouth is closed. Dorsal with 10-18 

 spines, anal with 3. Parietal and occipital crests strong, extending to 

 between the orbits. Vertebrae 27-37 *. 



Africa and Syria. 



* 13+14=27. P.polleni. 



14+15 = 29. P. chrysonota. 



14+16=30. P. retrodens. 



14+17=31. P. granti, intermedia, sei-ranus, vittata. 



14 + 18 = 32. P. longirostris. 



15 + 15=30. P.smithii. 



15 + 16 = 31. P. smithii, chrysonota. 



15 + 17=32. P. crassilabris, guiarti. 

 15 + 18 = 33. P. dimidiata. 



16 + 16 = 32. P. codringtoni, furcifer. 

 16 + 17 = 33. P. dimidiata, microtis. 



16 + 18 =34. P. ventralis. 



17 + 16 = 33. P. macrocepliala. 

 17 + 17 = 34. P.calliura. 



17 + 18=35. P. angusticeps. 



17 + 19 = 36. P. thumbergii. 



18 + 18=36. P. angusticeps. 

 18+19=37. P. thumbergii. 



19 + 18= 37. P. leptosoma. 



