GOl 



CICHLID.E. 



1. XENOCHROMLS HECQUI. 

 Bouleng. 11. cc, Ann. pi. xlvii. fig. 3, and Tr. Zool. Soc. xri. 1901, p. 159; 

 Pellegr. 1. c. 



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

 Head twice as long as broad ; snout broader than long and convex, as 

 long as eye in young, a little longer in adult; eye 3 J to 4 times in 

 length of head, 1 to 1^ times in interorbital width ; lower jaw projecting 

 a little beyond upper; mouth extending to below anterior border of 

 eye; 34 to 46 teeth in upper jaw, 30 to 40 in lower; interocular 

 region, scaly, convex ; 4 or 5 series of scales on the cheek. Gill-rakers 

 as long as gill-lamella, slender, closely set, 45 to -yi on lower part of 

 anterior arch. Dorsal XVI-XVIi 10-11 ; spines subequal from the 

 seventh, -j to f length of head ; longest soft rays ^ to | length of head. 

 Anal 111 9-10; second and third spines equal, stronger and a little 



Fig. 348. 



vK^Hn 



XenocJirom'is henqui. 

 Type (A. M. C). jf. 



shorter than dorsals. Pectoral nearly as long as head. Ventral 

 reaching vent or beyond origin of anal. Caudal with deep crescentic 

 notch. Caudal peduncle 1^ to If times a^ long as deep. Scales 64-67 J ; 

 lateral lines gg^g ; 4 series of scales between the lateral lines anteriorly. 

 Olive above, whitish beneath, with more or less distinct dark bars across 

 the back on the posterior half of the body ; a blackish opercular spot. 



Total length 270 millim. 



Lake Tanganyika.— Types in Congo Museum, Tervueren. 



1-2- A.l. Usambura. Prof. J. E. S. Moore (C). 



3. Skel. 



" " 



^- ^«'"- Moliro. Dr. W.A. Cmmington (C). 



