520 



CICHLID^E. 



anterior arch. Dorsal XV 13 ; spines increasing in length to the last, 

 which is f to \ length of head ; longest soft rays \ to f length of head. 

 Anal III 9-10 ; third spine ^ to ^ length of head. Pectoral as long as 

 head, reaching vertical of origin of anal or beyond. Ventral reaching 

 vent or anal. Caudal rounded. Caudal peduncle as long as deep. 



A A 1 



Scales not or but very indistinctly denticulate, 34-37 -pr ; lateral 



n 



lines 



23-25 

 14-15' 



Females olive-brown above, yellowish beneath, with ill- 

 defined or irregular darker cross-bands ; vertical fins brown with round 



Paratilapia longimamts. 

 Type (Tr. Z. S. 1911). \. 



darker spots ; pectorals dark olive or blackish. Males dark brown to 

 blackish, the scales on the body pale greyish brown in the centre, 

 vertical fins and pectoral with a broad light edge, anal with round 

 white spots. 



Total length 240 millim. 



Lake Ngarni basin. 

 1-4. Types. 



Okovango R. 



R. B. Woosnam, Esq. (C). 



6. PARATILAPIA ANGUSTICEPS. 

 ? Cliromys levaillantii, Casteln. Mem. Poiss. Afr. Austr. p. 16 (1861). 

 Paratilapia angustictps, Bouleng. Ann. & Mag. N. H. (7) xx. 1907, p. 10S, and 



Tr. Zool. Soc. xviii. 1911, p. 414, pi. xlii. 

 Paratilapia kajuensis, Bouleng. Ann. & Mag. N. H. (8) ii. 1908, p. 494. 



Depth of body 2-f to 3 times in total length, length of head 2| to 

 3 times. Head strongly compressed, 2h to 3 times as long as broad, 



