ON THE EAST COAST OF FLORIDA. 267 



into a sheath of scales ; anal fin smaller, similarly depressible ; 

 pectorals and ventrals moderate, each with a long accessory scale. 

 Opercular bones thin, with expanded membranaceous borders ; scaly 

 occipital collar. Lateral line straight, its tubes simple. Pseudo- 

 branchiae present, large. Vertebrae, 43-29-72. 



" Large fishes of the open seas, remarkable for the development 

 of scaly sheaths. The young are ribbon-shaped and elongate, passing 

 through a series of changes like those seen in All>ula." 



"25. Elops saurus, Linnaeus." 



"'Piojo'; Matajuelo Real; Chiro ; Lisa Francesa ; Ten-pounder ; 

 John-Mariggle ; Bony-fish ; Big-eyed Herring." 



" Head, 4.3 ; depth, 5 to 6 ; eye, 5 ; snout, 4.3 ; maxillary, 1.6 ; 

 mandible, 1.5; interorbital, 5.6; D. 20; A. 13; pectoral, 1.8; 

 ventral, 2; caudal, 0.8; scales, 13-110-12. Body very elongate, 

 moderately ccmpressed, scales small and thin, none on head ; head 

 small, pointed ; mouth very large, the extremely long maxillary reach- 

 ing far beyond eye, which has a well-developed adipose eyelid, 

 sheathing the eye anteriorly and posteriorly ; rather blunt, villiform 

 teeth on jaws, vomer, and palatines and along lower edge of maxil- 

 lary ; jaws subequal ; a pointed gular plate ; dorsal and anal fins with 

 well -developed basal sheaths of scales, that of dorsal large ; ventral 

 with a very large and pointed scale ; caudal lobes long and slender. 

 Blue above, the sides silvery. 



"This species is abundant and widely distributed in the tropical 

 seas. It is common in America north to the Carolinas and the Gulf of 

 California. Probably not uncommon about Porto Rico, though seen by 

 us only at Arecibo, where a species 15 inches long was obtained." 



" Elops saurus. Linnaeus, Syst. Nat. ed. XII, 518, 1766, Carolina ; 

 Jordan & Evermann, I. C, 410, 1896. 



"Argentina Carolina. Linnaeus, Syst. Gat. ed. XII, 519, 1766, 

 Carolina. 



"Argentina machnata. Forskal, Deser. Anim., 68, 1775, Djidda, 

 Arabia. 



" Mugilomorus anna-carolina. Lacepede, Hist. Nat. Poiss., V, 

 398, 1803, South Carolina. 



"Elops incermis. Mitchill, Trans. Lit. and Phil. Soc. N. Y., I, 

 1815, 445, New York. 



