04 G Mr. G. A. Boulenger on 



Dorsal I 7 ; spine as long as head, smooth in front, serrated 

 behind. Adipose fin 4 times as long as deep, twice and ^ as 

 long as its distance from the rayed dorsah Anal IV 7. 

 Pectoral spine as long as head, strongly serrated on both 

 sides. Caudal deeply forked. Skin witlioub villosities. 

 Greyish above, white beneath, covered all over with round 

 black spots, some of which, on the posterior part of the body, 

 are confluent. 



Total length 210 mm. 



A single specimen. Native name : Chirima. 



Closely allied to S. zamhesensis, Peters. Distinguished by 

 the strong serrature on the anterior border of the pectoral 

 spine. 



16. Anabas multispints, Peters. 

 Native name : Lukomo. 



17. Paratilai>ia rohusta, Gthr. 

 Native names : Nsuhu, Polwe^ Alubantasa. 



18. Paratilapia Aidlandi, sp. n. 



Depth of body 2| times in total length, lengtli of head 3 

 times. Eye | length of snout, 4 times in length of head, 

 equal to interorbital width ; maxillary not extending to below 

 anterior border of eye; teeth small, in 3 or 4 rows ; 4 series 

 of scales on the cheek. Gill-rakers short, 13 on lower part 

 of anterior arch. Dorsal XV 13, spines equal in length from 

 the 7th, which measures f length of head ; longest soft ray | 

 length of head. Anal III 10. Pectoral acutely pointed, 

 slightly shorter than head. Ventral reaching origin of anal. 

 Caudal rounded. Caudal peduncle as long as deep. Scales 

 cycloid, 37 ^| ; lateral lines j|. Brownish ; dorsal fin edged 

 with yellowish ; soft dorsal and caudal with numerous round 

 blackish spots ; anal with round white spots ; ventral 

 blackish. 



Total length 150 mm. 



A single specimen. Native name: Mhilla. 



Closely related to P. moeruensi's, Blgr., but soft dorsal rays 

 more numerous and pectoral fin longer. 



19. Pelmatochromis lateralis^ Blgr. 

 Native name: NsanguJa. 



20. TiJapia natalensis^ M. Weber. 



Native names: Mutuha (young) and Kamha (full-grown). 



