Fishes from Lake Nyassa. 239 



Paratilapia chrysonota. 

 D. XV-XVI 9-11. A. Ill 9-11. Sc. 32-34 3 ;?i. 



t i 21-27 

 **' L 12-16- 



Depth of body 2§ to 2| times in total length, length of 

 head 3 to 3^ times. Eye 2§ to 3 times in length of head, as 

 long as or longer than snout, as long as postocular part of 

 head ; maxillary extending to between nostril and eye ; 

 lower jaw not projecting ; teeth very small, in 3 or 4 series • 

 2 or 3 series of scales on the cheek; 17 to 20 gill-rakers on 

 lower part of anterior arch. Dorsal spines increasing in 

 length to the last, which measures § to | length of head ; 

 soft dorsal and anal pointed. Pectoral as long as or a little 

 longer than head. Caudal fin feebly emarginate, feebly 

 scaled. Caudal peduncle a little longer than deep. Scales 

 finely denticulate. Female brownish above and silvery 

 white beneath, with 3 black spots on each side ; these spots 

 less distinct in males, which are much darker, with the top of 

 the head and back golden yellow, and the dorsal and anal 

 yellow, usually black at the base. 



Numerous specimens, measuring 70 to 130 mm. 



Closely allied to P. intermedia, Gthr. 



Paratilapia rhoadesii. 

 D. XVI-XVII 12. A. Ill 10-11. Sc. 37-38 



j , 2.5-26 



12-14* 



Depth of body equal to length of head, 3 times in total 

 length. Eye 5 to 5§ times in length of head, 2 to 2^ times 

 in length of snout ; maxillary extending to between nostril 

 and eye ; lower jaw not or but slightly projecting- teeth in 

 4 or 5 series, outer largest ; 5 series of scales on the cheek ; 

 11 gill-rakers on lower part of anterior arch. Dorsal spines 

 equal from 8th or 9th, not quite J length of head. Pectoral 

 a little shorter than head. Caudal fin deeply emarginate and 

 densely scaled. Caudal peduncle 1| to If times as long as 

 deep. Scales finely denticulate. Dark green above, pale 

 green or silvery below, with 7 or 8 ill-defined darker vertical 

 bars on the body ; fins edged with yellow. 



Total length 360 mm. Two specimens. 



Closely allied to P. dimidiata, Gthr. 



