PETERSIUS.— EUGXATIIICIITHYS. \ 241 



4- 



ventral. Candal peduncle a little longer than deep. Scales 24-27 2i» ^i 

 or 2 between lateral line and root of ventral ; lateral line sometimes 

 ending on caudal peduncle before reaching caudal fin. Silvery, with a 

 more or less distinct darker lateral band ; dorsal grey to blackish with 

 a broad yellow transverse bar; caudal edged with grey. 



Total length Qd millim. 



Gold Coast. 



1-5. Types. Kotchwah River. H. B. N. Walker, Esq. (P.). 



r.-15. Ad. .^- li-^r,.. Akropon. R. B. N. Walker, Esq. (C.) ; 



Dr. A. Giiuther (P.). 

 10-2.'). A.l. & hgr. lufoan. J{. B. N. Walker, Esq. (C.) ; 



Dr. A. r^iintluM- (V.). 



7. EUGNATHICHTHYS. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 2.> (1898), and Poiss. Bass. Congo, p. 170 

 (1901). 



Snout moderately elongate, rounded; mouth large; jaws massive, 

 upper movable upwards; maxillary very small, hidden under the 

 preeorbital when the mouth is closed ; praemaxillary and dentary with 

 two scries of teeth, the outer large, subequal, compressed, bicuspid, the 

 inner very small, compressed, obtuse, the two series separated by a con- 

 siderable space. Cheek partly naked ; nostrils near the eye, close 

 together, separated by a valvular flap ; gill-membranes free from isthmus. 

 Body elongate, compressed. Scales small, strongly ciliated ; lateral line 

 straight, along the middle of the side ; a scaly process at base of ventral. 

 Dorsal fin with 11 to 18 rays, above the ventrals ; anal with 12 or 13 

 rays; adipose dorsal fin small. A'ertebrae 55 (33-J-22). 



Congo. 



Two species : — 



I). 17-18 ; Sc. 95-107 J-|^ i. E. eetveldii, Blgv., p. 2-i] . 



1). 11-14 ; Sc. 08-71 ^ 2. E. macroterolepu, Blgr., p. 243. 



1. EUGNATHICHTHYS EETVELDII. 



Buuleng. Ann. jMus. Congo, Zool. i. p. 20, pi. xii. (1898), and Poiss, Bass. Congo, 

 p. 170(1901). 



Depth of body 4 to 5 times in total length, length of liead 3f to 

 A\ times. Head 2 to 2\ times as long as broad, 1^ to 1| times as long 

 VOL. I. K 



