402 CICHLIDiE. 



long as longest dorsal. Pectoral % length of head, not reaching origin 

 of anal. Ventral produced into a filament, extending beyond origin of 

 anal. Caudal rounded. Caudal peduncle as long as deep or a little 

 deeper than long. Scales cycloid, 28-29 |; lateral lines -y^-. 

 Brownish above, yellowish beneath; two blackish longitudinal bands 

 on each side, the upper from the occiput to the base of the soft dorsal, 

 the lower from the eye, over the opercle, to the root of the caudal ; fins 

 greyish, ventrals white with a black outer border ; oblique dark streaks 



Ks. 272. 



Pelmatoohromis tcenialus. 

 Type (P. Z. 8. 1901). f. 



on the soft dorsal ; small blackish spots on the caudal and two larger 

 ones edged with white on its upper border. 



Total length 75 millim. 



Lower Niger. 



1. Type. Mouth of Ethiop R., Niger Delta. Dr. W. J. Ansorge (C). 



2. Ad. Wari, Niger Delta. Mr. J. Paul Arnold (P.). 



18. PELMATOCHROMIS PULCHEB, 



Bouleng. Proc. Zool. Soc. 1901, i. p. 9, pi. iv. fig. 2 ; Pellegr. Mem. Soc. Zool. 

 France, xvi. 1904, p. 283. 



Depth of body 2§ to 3 times in total length, length of head 3 to 3|- 

 times. Head 1|- to 2 times as long as broad ; snout rounded, with 

 convex upper profile, broader than long, as long as the eye, which is 3 

 to 3^ times in length of head, a little less than interorbital width, and 

 a little more than praeorbital depth ; mouth small, extending to between 

 nostril and eye ; teeth in 4 or 5 series, outer rather large, 50 to 68 in 

 upper jaw ; 2 or 3 series of scales on the cheek, width of scaly part less 

 than diameter of eye. Gill -rakers short, 10 to 12 on lower part of 

 anterior arch. Dorsal XVI 9-10 ; spines gradually increasing in length 

 to the last, which measures J length of head ; some of the soft rays more 



