326 NEW YORK STATEi MUSEIUM 



der not described , probably cellular. One species in our 

 limits. 



162 Euleptorhamphus velox Poey (?) 



Slender Halfheak 



EuleptorMmpJius mlox Poey, Syn. Pise. Cubens, 383, 1867, Cuba; Jordan 



& EvERMANN, Bull. 47, U. S. Nat. Mus. 724, 1896. 

 'iEemwliampTius longirostris Gunther, Cat. Fish. Brit. Mus. VI, 276, 1866. 

 Euleptorhamphus longirostris Putnam, Proc. Best. Soc. Nat. Hist. 238, 1870. 

 Eemirhamphus (Euleptorhamphus) longirostris Jordan & Gilbert, Bull. 16^ 



U. S. Nat. Mus. 377, 1883. 



Body much compressed, elongate, its greatest depth one 

 eleventh of total length from tip of upper jaw to base of caudal; 

 greatest width of head equal to long diameter of eye; least 

 depth of caudal peduncle two thirds of eye; snout equal to eye, 

 three and one third in head (length of head here is from tip of 

 upper jaw to hind margin of opercle); length of head including 

 lower jaw two fifths of total to base of caudal, the lower jaw 

 projecting beyond upper a distance equal to three times rest 

 of head; eye three in head, greater than interorbital width; 

 dorsal origin at a distance from tip of snout equal to four and 

 two thirds times length of head (without lower jaw), dorsal 

 base equal to nearly three times hight of body, longest dorsal 

 ray two thirds length of head; the anal begins under the third 

 ray of the dorsal, its base two and one third times hight of 

 body, its longest ray equal to hight of body; ventral short,, 

 slightly shorter than eye, three and two thirds in head, extend- 

 ing nearly half way to anal origin; pectorals long, reaching half 

 way from pectoral origin to anal origin, nearly twice as long as 

 the head; caudal lobes very unequal, the upper much shorter 

 than the lower. D. 22; A. 21; V. 6; P. 7, the upper very broad 

 and long, the others slender. The back with a very thin edge 

 Color light brown above, the sides from the upper edge of the 

 pectoral base downward bright silvery, this extending also on 

 the head. 



The species is found in the West Indies; it has been taken at 

 Newport R. I., and at Cape Cod. It reaches a length of IcS 

 inches. The Hemirhamphus macrorhynchus of 



