JULIDOCHROMTS. — TELMATOCHROMIS. 485 



•| length of head ; longest soft rays ^ to § length of head. Anal VIII- 

 IX 4-6 ; last spine f length of head. Pectoral about § length of head. 

 Ventral produced into a filament, reaching origin of anal. Caudal 

 rounded. Caudal peduncle as long as deep. Scales 45-50 pEiv 

 lateral lines jq^. Yellowish, with three dark brown stripes on each 

 side, the lowermost from tbe end of the snout to the base of the caudal, 

 the uppermost along the base of the dorsal ; a large round dark brown 

 spot on the base of the caudal ; a small black spot at the base of the 

 pectoral ; anal edged with brown ; caudal brown. 



Total length 85 millim. 



Lake Tanganyika. 



1-3. Types. llbity Rocks. Prof. J. E. S. Moore (C). 



4. Skel. ,, 



5. Ad. L. Tanganyika. „ 



29. TELMATOCHROMIS. 



Bouleng. Tr. Zool. Soc. xv. 1898, p. 10, and Poiss. Bass. Congo, p. 446 (1901); 

 Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 297. 



Body elongate ; scales strongly denticulate, very small on nape and 

 anterior part of back ; two incomplete lateral lines. Jaws with an 

 outer series of large conical teeth and a broad band of small tricuspid 

 teeth. End of maxillary exposed. Dorsal with 18 to 22 spines, anal 

 with 6 or 7. Occipital crest strong, extending to between the orbits; 

 no parietal crests ; prasmaxillary processes extending to between the 

 orbits. Vertebra? 33 (16 + 17). 



Lake Tanganyika. 



Two species : — 



D. XVIII-XXI 6-8 ; Sc. 40-47 jjf s ; depth of 



body 3^ to 3i times in total length . . . 1. T. temporalis, Blgr., p. 485. 

 D. XXI-XXII 8 ; Sc. 45-52 ^ ; depth of body 



4|- to 4| times in total length 2. T. vittatus, Blgr., p. 486. 



1. TELMATOCHROMIS TEMPORALIS. 



Bouleng. Tr. Zool. Soc. xv. 1898, p. 11, pi. ii. fig. 3, and Poiss. Bass. Congo 

 p. 447 (1901) ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 297 ; Bouleng. 

 Tr. Zool. Soc. xvii. 1901, p. 561. 



Depth of body 3J to 3i times in total length, length of head 3 to 



