438 



CICHLlDiE. 



Ventral not reaching anal. Caudal deeply notched. Caudal peduncle 

 lis to If times as long as deep. Scales 65-75 



r,- 6-7 



lateral lines 



56-60 



25-30' "*"""■* *"""* 31-43" 



Purplish- grey spots forming 4 or 5 vertical bars on the anterior part of 



Fig. 298. 



Bathybates graueri. 

 Type, after Steindachner (I. c). |. 



the body, 5 longitudinal bands on the posterior part ; dorsal edged with 

 purple, and with a purple longitudinal streak. 



Total length 202 millim. 



Lake Tanganyika. — Types in Vienna Museum. 



2. BATHYBATES FEROX. 



Bouleng. Tr. Zool. Soc. xv. 1898, p. 15, pi. iv. fig. 2, and Poiss. Bass. Congo, 

 p. 429 (1901) ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 364, pi. vii. 

 fig. 3 ; Bouleng. Tr. Zool. Soc. xvii. 1906, p. 564 ; Steind. Sitzb. Ak. Wien, 

 cxx. i. 1911, p. 1177. 



Depth of body 3§ to 4^ times in total length, length of head 2i to 

 3 times. Head 2^ to 3 times as long as broad ; snout with convex upper 

 profile, much longer than broad, as long as or a little longer than post- 

 ocular part of head ; lower jaw projecting ; eye 1-g- to 1| times in length 

 of snout, 3| to 4 times in length of head, exceeding interorbital width ; 

 mouth not extending quite to below anterior border of eye ; 4 series of 

 teeth in upper jaw, 3 in lower ; 5 to 7 series of scales on the cheek. 

 Gill-rakers moderately long, 13 to 15 on lower part of anterior arch. 

 Dorsal XIV-XV 15-16 ; spines rather feeble, subequal from the fifth, 



