90 



Distichodus lusosso. 



D 26; A 16; L.1. ca. 85; Ltr. || 



(A very small specimen: D 23; A 14; L.1. more than 70). 



Only one series of teeth in the jaws. 



Height of the body a little more than one-third of its length 

 (without caudal) ; length of the head two-sevenths. Snout one-third 

 of the length of the head. Centre of the eye a little before the 

 middle of the head; its diameter a little less than one-fourth of 

 the length of the head. Interorbital space flat ; its width one-fourth 

 of the length of the head. The upper jaw projects distinctly 

 beyond the lower; the latter with fourteen teeth. Distance betweeu 

 dorsal and adipose fin twice the base of the latter. The ventrals 

 nearly reach the vent. 



Light brown (in spirits) with eight broad dark bands. Adipose 

 fin dark. 



Two specimens, the greater with a total length of 16,8 cm. 

 Bayari-sea; vernacular name Lusosso. 



Phago boulengeri 

 D 12; A 11; P 13; V 9; L. lat. 45; Ltr. 2i / 3|. 



Besides in the deviations indicated by the ciphers above, this 

 species diöers from Ph. loricatus Gthr. (Ann. and Mag. Nat. ïïist. 

 1865. XV. PI. V) in the folio wing points : Depth of the body 

 nearly two-thirds of the length of the head, which is one-fourth 

 of the total length without caudal. Diameter of the eye half the 

 length of the snout. Intermaxillary and mandible with seventeen 

 teeth on each side, in the outer series. The dorsal fin is just in 

 the middle between the end of the snout and the root of the 

 caudal fin. Caudal two-thirds of the length of the head. Pectorals 

 a little shorter than the ventrals. 



One specimen, total length 14 cm. 



Mormyrus greshoffi^i (Fig. 3) 

 D 35, A 31, L.1. more than 80. 

 Lower jaw projected into a skinny flap. The corner ofthemouth 

 separated from the front margin of the eye by a considerable space. 



