PAEATILAPIA. 



355 



XV 12-13 ; spines increasing in length to the last, which is ^ length of 

 head; longest soft rays nearly as long as head. Anal III 10; third 

 spine 5 length of head. Pectoral as long as head, reaching vertical of 

 origin of anal. Ventral reaching beyond origin of anal. Caudal 

 rounded. Caudal peduncle as long as deep or a little deeper than long. 

 Scales cycloid, 31-33 j| ; lateral lines ^^j:^. Olive above, pale green 

 beneath, with a purplish-brown bar at the base of the scales; pectorals 



Fig. 240. 



Paratilajiia yibhlceps. 

 Type (Tr. Z. 8. 1911). |. 



pale olive, ventrals dark olive; dorsal, anal, and caudal greyish ; dorsal 

 edged with red, the soft part with regular series of round purplish- 

 brown spots ; similar spots on the caudal ; anal with round pink spots. 



Total length 200 millim. 



Lake Ngami Basin. 

 1-2. Types. Okovango R. R. B. Woosnam, Esq. (C). 



37. PARATILAPFA FREDKRKT. 



Chromijs frederici, Castcln. Mem. Toiss. Afr. Austr. p. 15 (18G1). 

 ChromidotUapia {Y) frederici, Bouleng. Proc. Zool. Soc. 18'J8, \k 151. 

 Faratilapia frederici, Bouleng. Tr. Zool. Soc. xviii. I'Jll, }). 10'.>, pi. xxxix. fig. 1. 



Depth of body 2\ times in total length, length of head 3 times. 

 Head twice, or a little over twice, as long as broad, upper profile slightly 



