750 PROCEEDINGS OF THE ACADEMY OF [XoV., 



Subgenus SPHYR.^NA Schneider. 



Scales small, 100 or more. Top of head rather narrow, usually 

 slightly convex. Lower margin of orbit usually below middle of depth 

 of head. Body rather slender. 



Sphyraena ensis Jordan and Gilbert. 



Bull. II. S. Fish Com., 11, 1SS2, p. 106. Mazatlan, Mexico. (Charles H. 

 Gilbert.) 



Head 3, from tip of mandible; depth 7^; D. Y-l, 9; A. II, 8; scales 

 about lOS in lateral line to base of caudal, 8 more continued on latter; 

 snout 2^ in head, from its tip; eye 5^; maxillary 2J; interorbital space 

 5i; pectoral about 2§. Head slender, jaws attenuate. Eye low, 

 lower margin f in depth of head. Interorbital space a little elevated 

 convcxly, two median ridges pronounced. Maxillary reaching front 

 margin of eye. Mandible with fleshy tip. Gill-rakers better developed 

 than in guachancho, short, numerous, pointed, rather firm. Pectoral 

 reaching well beyond spinous dorsal. Spinous dorsal dusky. Length 

 17^ inches. One example from Panama. J. A. McNeil. 



Sphyraena picudilla Poey. Plate XLVI (lower figure). 



Mem. Hist. Nat. Cuba, II, 1856-58, p. 162. Havane. 



Head 23^^ f^m tip of snout; depth 8|; D. V-I, 9; A. II, 9; P. I, 12; 

 ^'. I. 5; scales 110 in lateral line to base of caudal, 5 more on latter; 

 width of head 4 in its length, from tip of mandibles; depth of head 31; 

 first dorsal spine 3^; pectoral 3; ventral 3^; least depth of caudal 

 peduncle 5|; snout 2^ in head, from its own tip; eye 6; maxillary 2f ; 

 interorbital space 5J. Caudal peduncle stout, compressed, its least 

 depth about 2| in its length. JMandible with somewhat fleshy tip. 

 First dorsal spine longest, though little longer than second. Pectoral 

 not reaching opposite origin of spinous dorsal. Tip of lower jaw pale, 

 though a little dusky above. Otherwise like tome. Length about S|^ 

 inches. One example. "Sambaia" (Brazil?). Mus. Comp. Zool. 



Sphyraena borealis De Kay. 



Zool. New York, IV, Fish., 1842, p. 39, PI. 60, fig. 196. Harbor of New 

 York . 



Head 3yL; depth 8; I). V-I, 9; A. II, 9; scales 121 in lateral line to 

 base of caudal, and about 5 more on latter; eye 5| in head, from tip 

 of snout; maxillary 2f. One example 15^ inches long, from San 

 Domingo, West Indies. Prof. W. M. Gabb. 

 Sphyraena tome sp. nov. Plate XLVI (upper figure). 



Head 3, measured from tip of mandible; depth 8; D. V-I, 9; A. II, 

 S; P. I, 12; V. I, 5; scales 135 in lateral line to base of caudal, and 



