THE FISHES OF NEW JERSEY. 209 



pressed, and profiles similar. Snout triangular, a trifle broader 

 than long-. Eye a little elongate, and pupil elongate. Teeth weak. 

 Mandible to tip of upper jaw a little longer than rest of head. 

 Interorbital space fiat. Gill-rakers about 9 + 20, long, slender. 

 Scales large. Dorsal inserted at last fourth in trunk. Anal sim- 

 ilar and but a trifle posterior. Pectoral ^^ to ventral, which is 

 inserted before dorsal a space equal to a little over base of same. 

 Ventral reaching a triiie over V^ to anal. Color translucent green- 

 ish above. A silvery band becoming as wide as length of pupil 

 between dorsal and anal. Iris silvery. Lower surface of body 

 pale. Length 6j^ inches. Xcav Jersey. 



I have 2 examples Avithout definite locality. The young have a 

 longer beak. Reaches a foot in length. 



Hemirhamphus roberti Bean, Bull. U. S. F. Com., VII, 1887, 

 p. 147, PI. 3, fig. 16. 



Genus EULEPTORHAMPHUS Gill. 



The Ribbon Half Beaks. 



Euleptorhamphus velox (Poey), 



Head, from tip of upper jaw, 7; depth 12; D. 11, 20; A. 11, 20; 

 snout 3 in rest of head; eye 3^ ; maxillary 2'^ ; interorbital space 

 3 J4 I ventral 3% ; least depth of caudal peduncle 4^. Body slen- 

 der, almost band-like, much compressed and greatly elongated. 

 Head compressed, sloping below so that its lower edge is very 

 narrow, almost a keel, and upper surface flattened. Snout short, 

 forming an equilateral triangle as viewed from above. Eye large, 

 nearly circular. Mandible prolonged greatly into a slender point, 

 and measured to tip of upper jaw, more than twice length of head. 

 Teeth minute, in narrow bands in jaws. Interorbital space flat. 

 Gill-rakers short and rather numerous. Scales deciduous, rather 

 large. Lateral line low. Dorsal beginning a little behind last 

 third in space between tip of snout and base of caudal, and 

 anterior rays elevated. Anal similar, beginning a little behind 

 dorsal. Caudal with lower lobe much longer than upper. Pec- 

 toral long, falcate, and reaching a little more than half way to 



14 MU 



