FISHES OF NEW YORK 451 



lioracic, I, 5, partly received into a groove in the abdomen; 

 audal fin widely forked; lateral line present; gill membranes 

 ree from the isthmus; branchiostegals seven; no pseudo- 

 iranchiae; no air bladder; pyloric appendages very numerous; 

 ertebrae about 30. A genus with probably only two sj)ecies. 

 'ery large fishes, inhabiting the high seais in warm regions, 

 [oted for their brilliant and changeable colors. (After Jordan 

 nd Evermann) 



225 Coryphaena hippurus Linnaeus 

 Common Dolphin 



Joryphaeim hippurus Linnaeus, Syst. Nat. ed. X. I, 261, 1758, open seas; 

 GuNTHER, Cat. Fish. Brit. Mus. II, 405, 1860; Cuviek & Valenciennes, 

 Hist. Nat. Poiss. IX, 278, pi. 266, 1833; Jordan & Gilbert, Bull. 16, 

 U. S. Nat. Mus. 914, 1883; Jordan & Evermann, Bull. 47, U. S. Nat. 

 Mus. 952, 1896. pi. CXIilX, fig. 402, 1900; Bean, Bull. Am. Mus. Nat. 

 Hist. 363, 1897; Smith, Bull. U. S. F. C. XVII, 99, 1898. 



lorupliaena Mppuris Mitchill. Trans. Lit. & Phil. Soc. N. Y. I, 378, 1815. 



loryphaena sueurii Cuvier & Valenciennes, Hist. Nat. Poiss. IX, 302. 1S33. 



loryphaena gloMceps De Kay, N. Y. Fauna, Fishes, 132, pi. 10, fig. 29, 1842. 

 off New York. 



'Jorypliaena sueuri Jordan & Gilbert. Bull. 16. U. S. Nat. Mus. 455, 1883. 



Body elongate, compressed, highest anteriorly, the greatest 

 lepth equal to length of head and to one fourth of total length 

 dthout caudal; the greatest width about equal to postorbital 

 ength of head; least hight of caudal peduncle one fourth the 

 ength of head; maxilla reaching nearly to below end of eye; 

 ipper jaw equal to snout and eye combined; mandible reaching 

 >ast hind margin of orbit. The profile of the snout becomes 

 learly vertical with age; the male has the forehead elevated, 

 'orming a crest which projects slightly beyond the upper jaw. 

 5ye small, one half the length of snout, one sixth the length of 

 lead. The dorsal origin is nearly above the eye; the fin occupies 

 :he entire back, the longest spines (12th to 14th) equal postorbital 

 eug-th of head, the last spine two ninths as long as head. 

 Oaudal very deeply forked, the middle rays less than one sixth 

 IS long as the external rays, which are one third as long as the 

 iorsal base. The anal begins under the 32d spine of the dorsal; 

 its base is as long as the head and pectoral combined, its longest 

 ay one third as long as the head, its last ray equal to eye, the 



