,38G NEW YORK STATE MUSEUM 



194 Gymnosarda pelamys (Linnaeus) 



Oceanic Bonito 



Scomber pelamis Linnaeus, Syst. Nat. ed. X, I, 297, 1758, tropical seas. 

 Thynniis pelami/s Cuvier & Valenciennes, Hist. Nat. Poiss. VIII, 113, 1S31. 

 Orcynus pelamys Poey, Syii. Pise. Cubens. 362, 1868; Goode & Bean, Proc. 



U. S. Nat. Mus. I, 24, 1878; Bull. Essex Inst. XI, 15, 1879. 

 Euthynnus pclaini/s Jordan & Gilbert, Bull. 16, U. S. Nat. Mus. 430, 1883. 

 Gymnosarda pelamis Dresslar & Fesler, Bull. U. S. F. C. VII, 436, 1889; 



Jordan & Evermann, Bull. 47, U. S. Nat. Mus. 868, 1896. 



Body oblong, abruptly tapering at both ends, stout, short, its 

 greatest hight one fourth of total length to end of middle caudal 

 rays, its width a little more than one half the length of head, 

 equal to postorbital part of head; least hight of caudal peduncle 

 one half the length of eye; keel one fourth as long as the head; 

 head rather long, somewhat compressed, acute in front, conical, 

 its length two sevenths of the total without caudal, its width 

 over the opercles one half its length; snout not long, acute at tip, 

 somewhat compressed, its length two sevenths of length of head; 

 the mandible heavy and prominent, scarcely proijecting; the 

 maxilla with rounded extremity extends to below' middle of 

 pupil; the mandible extends to below hind margin of eye, its 

 length nearly one half the length of head. The eye is obliquely 

 oblong, its length about one fifth of length of head. The spinous 

 dorsal orginates immediately over the origins of the pectoral 

 and ventral; the base of the fin is four fifths as long as the head; 

 the first and longest spine one half as long as the head, the last 

 spino one fourth as long as the snout. The interspace between 

 the dor.^als equals two thirds of length of snout. The second 

 (luisiil is equidistant from the upper angle of the gill opening and 

 I lie h:is(' .r the caudal fin; the base of the fin is as long as the 

 snout and v(\\\n\ to base of anal; the longest ray is a very little 

 longer tliMii the base of the fin, the last ray is one fourth as long 

 as liK' snoiii : tlie iin is followed by eight finlots, the largest in 

 finiii, i\\, rntiis as long as the snout. The middle caudal rays, 

 nieasined lium keel, one third as long as the outer rays, which 

 iire iieail.v i\v(i thirds as long as the head (equal to postorbital 

 1'="' "' IxiKli. The anal origin is nearly under the end of the 

 Kecoii.l <|(,isal; ilie base of the fin is two sevenths as long as the- 



