722 MR. C. TATE REGAN ON THE 



DOCIMODUS JOHNSTONI Bouleiig., 1896. 



Dochnodus johnstonii Bouleng. Cat. Afr. Fish. iii. p. 282, 

 fig. 192. 



Depth of body 2| to 3 in length, length of head 3 to S^. 

 Snout convex, 1^ to 1| diameter of eye, which is equal to or 

 greater than depth of prteorbital, 4 to 4| in length of head, 

 interorhital width 3 to ?>h- Jaws strong; lower projecting; 

 maxillary not extending to below eye. 3 or 4 series of scales on 

 cheek. 10 or 11 gill-rakers on lower part of anterior arch. 

 Pharyngeal teeth small, compressed, bicuspid. 34 to 36 scales in 

 a. longitudinal series, 5 from origin of doi'sal to lateral line. 

 Dorsal XYI-XYII S)-ll ; last spine .^ to f length of head. 

 Anal III 9-10; third spine as long as or a little shorter than 

 dorsal. Pectoral as long as head, reaching a,nal. Caudal scaly, 

 truncate, with slight median notch. Caudal peduncle Ij to 1| 

 as long as deep. A dai'k lateral band from shoulder to base of 

 caudal ; a series of dark spots at base of dorsal ; an opercular 

 spot ; dorsal with series of spots, in male with a. dark intra- 

 marginal stripe and pale edge ; anal and cafidal, in the male, 

 dusky with pale edge. 



Four specimens, 160 to 250 mm. long [Johnston, Wood). 



13. Cyrtocara Boulenger, 1902 

 (type C, moorii Bouleng.). 



Differs from Ilajilochromis in the structure of the spinous 

 dorsal fin, which has the edge of the membrane straight between 

 the tips of the spines. Teeth in several series, the outer enlarged, 

 conical, or some bicuspid. 



Nyassa. 



Syno2Jsis of the Species, 



Jaws equal; caudal trnncate or sliglitly emarginate 1. venusta. 



Jaws equal ; caudal crescentically emarginate 2. annectens. 



Lower jaw projecting 3. moorii. 



1 . Cyrtocara venusta. 



Haplochroinis venustus Bouleng. Cat. Afr. Fish. iii. p. 287, 

 fig. 195. 



Depth of body 2^ to 2| in length, length of head 3 to 3i. 

 Snout with straight profile, as long as postorbital part of head. 

 Diameter of eye 4^ to 5 in length of head, equal to or a little 

 less than prseorbital depth : interorhital width 3| to 4 in length 

 of head. Jaws equal anteriorly ; maxillary not extending to 

 below eye ; teeth conical, or some of the outer bicuspid, in 4 or 5 

 series, outer lai-ger. 3 or 4 series of scales on cheek. 11 or 12 

 gill-rakers on lower part of anterior arch. 32 to 34 scales in 

 a longitudinal series, 6 or 7 from origin ©f dorsal to lateral 

 line. Dorsal XY-XYI 10-11 ; last spine f length of head. 

 Anal III 10; third spine -^ head. Pectoral as long as head, 



