388 



CICHLID.E. 



yellowish spots, which may be confluent into transverse bars on the 

 posterior part of the caudal. 



Total length 175 millim. 



Upper Congo. 



1. Type. Stanley Falls. Rev. W. H. Bentley (C). 



2. Ad. Monsembe. llev. J. H. Weeks (P.). 



5. PELMATOCHROMIS GUENTHERI. 



Jlemicliromis guentlieri, Sauv. Bull. Soc. Zool. France, 1882, p. 317, pi. v. fig. 1. 

 Hemichromis voltce, Steind. Sitzb. Ak. Wien, xcvi. i. 1887, p. 60, pi. i. fig. 3. 

 Felmatochromis guentlieri, Bouleng. Proc. Zool. Soc. 1898, p. 150 ; Pellegr. Mem. 



Soc. Zool. France, xvi. 1904, p. 279, and Bull. Soc. Pbilom. (10) i. 1909, 



p. 52. 

 Hemichromis tersquamatus, Giintb. Proc. Zool. Soc. 1899, p. 717, pi. xlii. fig. B. 

 Pelmatochromis pellegrini, Bouleng. Proc. Zool. Soc. 1902, ii. p. 328, pi. xxix. 



fig. 2 ; Pellegr. t. c. p. 280. 



Depth of body 2| to 2| times in total length, length of head 2f to 

 2* times. Head twice or a little over twice as long as broad ; snout 



Pelmatochromis guenthei-l. 

 Type of P. tersquamatus, after Gtintlier (P. Z. S. 1899). 3. 



obtusely pointed, with straight or slightly convex upper profile, as long 

 as broad, 1 (young) to 2 times as long as eye, which is 3 (young) to 41 

 times in length of head, 1 to 1^ times in interorbital width or prjeorbital 

 depth ; mouth moderate, extending to between nostril and eye ; 2 to 4 

 series of teeth in each jaw, outer rather large, 40 to 60 in outer series of 

 upper jaw ; 4 or 5 (rarely 3) series of scales on the cheek, width of scaly 

 part equal to or a little less than diameter of eye. Giil-rakers short and 



