NO. 2294. FISHES FROM WEST AFRICA— FOWLER. 275 



paired fins. Four examples from the Quanza River at Cunga, 133 

 to 349 mm. 



GYMNOTHORAX MORINGUA (Cuvier). 



Head, 3 J to vent; head and trmik combined, 1| in tail; eye, 1| in 

 snout; mouth, 2| in head. Snout conic; width, IJ in its length. 

 Eye over middle in gape. Jaws closing, lower slightly included. 

 Teeth uniserial, large, 3 large depressible canines in median row 

 above in front. Short row of small vomerine teeth. Nasal tube 

 long as vertical pupil diameter. Interorbital about three-fourths of 

 eye. Dorsal begins at last two-fifths between rictus and gill-opening. 

 Color in alcohol rather coarsely mottled with deep brown on whitish 

 general color. Length, 202 mm. One from "West Africa," obtained 

 by the Eclipse expedition. 



Agrees with an example, 173 mm. long, from St. Martins Island, 

 Dutch West Indies, in almost every respect. 



ECHIDNA CATENATA (Bloch). 



Head, 3| to 4^ to vent; tail, 1 1 to 1;^ in combined head and trunk; 

 eye, U to If in snout; mouth, 2| to 3 J in head; head width, 3| to 3|. 

 Snout conic, about long as wide. Eye center about opposite last 

 third in gape; more advanced in young. Jaws closing, form rather 

 blunt even muzzle. Teeth in jaws uniserial in front, where first 6 

 and front median enlarged; hind ones smaller and biserial. Row 

 of 3 large median vomerine teeth. Lower teeth biserial in front, 

 uniserial behind, and inner front row enlarged. Nasal tube long as 

 vertical pupil diameter. Eye less than interorbital, which wider 

 with age. Dorsal begins close before gill-opening. Color in alcohol 

 deep brown, reticulated with narrow j^ellowish lines, on trunk later- 

 ally largely at vertical cross lines, usually broken into blotches below. 

 In young examples white below, dominant and dark blotches diminish, 

 the white areas often finely dotted or spotted with brownish. Three 

 examples, 158 to 273 mm. from "West Africa." 



Compared with three others from St. Martins, Dutch Y\'est Indies, 

 no specific differences were found. 



FODIATOR ACUTUS (A'alenciennes). 



Head, 3§; depth, 4f; D. i, 9, i; A. i, 10; scales (pockets), about 

 50 in lateral line to caudal base, or about 43 from shoulder to caudal 

 base medially; about 23 scales (pockets) before dorsal; 6 scales 

 (pockets) above lateral line to dorsal origin; snout, 2 J in head from 

 upper jaw tip; eye, 3^; maxillary, 4f ; interorbital, 3*. 



Body elongate, compressed, flattened sides converge below, deep- 

 est about midway in length. Head similar, well pointed. Snout 

 long, conic; width U its length. Eye ellipsoid, midway in head, I^ 

 in snout. Mouth small, lower jaw produced in short beak for space 



