400 NEW YORK STATE MUSEUM 



iipiH'i- aiilerior part of spinous dorsal black, the rest of the fin 

 white. 



The spotted cero is found from Cape Cod to Brazil, but is not 

 common northward; it is abundant in the West Indies. The 

 species grows to the length of 5 feet and the weight of 20 pounds; 

 it is a fish of the same good qualities as the Spanish mackerel 

 and is readily caught by trolling. 



200 Scomberomorus cavalla (Cuvier) 

 Kmgfisli : ^iei'ra 



Cybiiim cavalla Cuviek, Regne Anim., ed. 2, II. 200, 1829, Brazil. 



Cybiiim caballd Cuvier & Valenciennes, Hist. Nat. Poiss. V^III, 187, 1831, 



Carilibeau Sea; Stoker, Syn. Fish. N. A. 93. 1846; Gunther, Cat. Fisii. 



Brit. Mus. II, 373, 1860. 

 Scomhijromorns cahalla Jordan & Gilbert, Bnh. 16, U. S. Xat. ilus. 427, 



1883. 

 Scoiiihironionis cuvalia Dresslar & Fesler, Bull. I'. S. F. C. YII, 444, pi. 



XI, 1889; Jordan & Evermanx, Bull. 47, U. S. Nat. Mus. 875, 1896. 



]>ody iiMMc slender and elongate than in the other species of 

 the gcims. its greatest depth one sixth to one fifth of t:otal 

 length wiiliont caudal; rather less compressed than in S. 

 r e g a 1 e ; the least depth of caudal peduncle one half the length 

 of snout; liead one fifth of total length without caudal; snout 

 acuto, two fifths as long as head; maxilla long, reaching beyond 

 hind margin of orbit; mandible a little longer than snout and 

 eye combined; eye small, one sixth of length of head, the inter- 

 orbital space convex; teeth triangular, much compressed, about 

 2." to ;iO in each side of each jaw; gill rakers very short, eight 

 below the angle on first arch. The spinous dorsal is inserted 

 (lirccily above the origin of the pectoral and slightly behind the 

 A<Mih;il; ils base equals one half the distance from tip of snout 

 to origin of second dorsal; the second, and longest, spine is 

 llnee times as long as the last spine and two sevenths as long 

 '^ '''' heiid. Tile iiiieispace between the two dorsals equals 

 <lianiei.i- ut' eve The sccoud dorsal originates midway between 

 "I' "' siioni ami iiMJ of middle caudal rays; the base is as long 

 as I he sm.iii :ni(l -ye combined and is about equal to anal base; 

 the lori-cs! ray is six limes tjie length of last ray and equal to 

 .sn.Mii: the n|i|.er margin of the tin is dee])ly concave; the fin is 



