C'lCHLID FISnKS OF LAKE NYASSA. 



705 



in adult. 31 scales in a lonoitudinal series, 7 from oi'igin of 

 dorsal to lateral line. Dorsal XV-XVI 11 ; last spine f or a 

 little more than f length of head. Anal III 9-10; third spine 

 as long as last dorsal. Pectoi'al -'^ head, not reaching anal. 

 Caudal slightly emarginate. Caudal peduncle 1| as long as d^ep. 

 Silvery ; an opercular spot ; 8 faint dark cross-bars on body ; a 

 blackish band, more or less broken up into a series of spots on 

 the bars, fi-om nape to middle of base of caudal. 



Two specimens, 65 and 72 mm. in total length (Wood). 



28. Haplochromis lateristriga Giinth., 1864, (Text-fig. 18.) 



Chromis lateristriga (part.) Giinth. P. Z. tS. 1864, p. 312. 



Tikqjia lateristriga (part.) Bouleng. Cat. Air. Fish. iii. p. 253. 



Tilajyia lethriniis (part.) Bouleng. t. c. p. 254. 



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

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

 Diameter of eye 4 to 5 in length of head, interorbital width 34 

 to 4|, depth of prfeorbital 3| to 4. Lower jaw a little projecting ; 



Text-fiijure 1 8. 



Haplochromis lateristriga. -k. 



maxillary exposed distally, ending below nostril ; teeth in 3 or 4 

 series, inner small ; 40 to 55 bicuspid teeth in outer series of 

 upper jaw. Cheek with 3 to 5 series of scales. 13 gill-rakers 

 on lower part of anterior ai'ch. A group of large blunt teeth on 

 posterior part of lower pharyngeal. 34 scales in a longitudinal 

 series, 6 from origin of dorsal to lateral line. Dorsal XY-XVI 

 10-11 ; last spine g to f length of head. Anal III 9; third 

 spine stronger and a little shorter than last dorsal. Pectoral | 

 or -i head, nearly or quite reaching anal. Caudal densely scaled, 

 slightly emarginate. Caudal peduncle Ig as long as deej), A 

 blackish band from in front of dorsal fin to upper part of base of 

 caudal ; an opercular spot ; dorsal and caudal spotted. 



Three specimens : the type, a skin 160 mm. long, a specimen 

 of 185 mm. (TFoocZ), and another of 100 mm, {Ehoades). 



