30zl riciiLiiJ/i:. 



teeth in 4 or 5 series, outer rather small, about 80 in upper jaw ; 

 5 series of scales on the cheek, width of scaly part 1| diameters of eye. 

 Gill-rakers rather short, 11 on lower part of anterior arch. Dorsal 

 XVI-XVIT 12 ; spines equal from the eighth or ninth, not quite -J- 

 leugth of head; longest soft rays | to | length of head. Anal III 

 10-11 ; third spine a little shorter than longest dorsals. Pectoral a 

 little shorter than head, reaching vertical of origin of anal, or not quite 

 so far. Ventral not reaching beyond vent. Caudal densely scaled, 

 distinctly emarginate. Caudal peduncle 1^ to I5 times as long as deep. 

 Scales very finely denticulate, 37-38 j^ ; lateral lines jt|^5. Dark 

 green above, pale green or silvery below, with seven or eight ill-defined 

 darker vertical bars on the body ; a blackish opercular spot ; dorsal 

 green, edged with yellow, with round darker sj)()ts ; anal and ventrals 

 green, edged with yellow, or yellow; pectorals yellow. 



Total length 3G0 millim. 



Lake Nyassa. 

 1-2. Types. L. Nyassa. (^apt. E. L. Rhoades (P.). 



43. PARATILAPIA CHRYSONOTA. 

 Bouleng. Ann. & Mag. N. H. (8) ii. 1908, p. 230. 



Depth of body 2| to 2 J times in total length, length of head 3 to SJ 

 times. Head 2 to 2^ times as long as broad, with straight or slightly 

 concave upper profile; snout rounded, as long as broad, as long as or a 

 little shorter than postocular part of head ; eye 2| to 3 times in length 

 of head, a little exceeding interorbital width and nearly double least 

 depth of praeorbital ; mouth not extending to below anterior border of 

 eye; teeth very small, in 3 or 4 series, 60 to 70 in outer series of upper 

 jaw ; 2 or 3 series of scales on the cheek, width of scaly part \ to f 

 diameter of eye. Gill-rakers rather long, closely set, 17 to 20 on lower 

 part of anterior arch. Dorsal XV-XVI 9-11 ; spines increasing in 

 length to the last, which measures f to | length of head; longest soft 

 rays f to | length of head. Anal III 10-11; third spine about | 

 length of head. Pectoral as long as head or a little longer, extending 

 to vertical of origin of anal. Caudal scaly, distinctly emarginate. 

 Caudal peduncle a little longer than deep. Scales finely denticulate, 

 32-34 ^~j ; lateral lines |.£f^. Females brownish above and silvery 

 white beneath, with three black spots on each side, the first below the 

 middle of the spiiiou*? dorsal, the second below the soft dorsal, the third 



