346 Storer’s Synopsis of the Fishes of North America. 
B.7. D. 15-2 [120r13-9. P.22, V.1-5. A.2]14-9. C.30. Length, 6or7 
inches. 
Caribbean Sea, Cuv. 
Le Tassard sans taches, Cybium immaculatum, Cuv. et VAL., vii. p. 191. 
GENUS VI. GEMPYLUS, Cov. 
These fishes have their anterior teeth longer than the others ; their palate 
is without teeth ; and their ventrals are almost imperceptible. 
1. Gempylus serpens, Cuv. 
Skin smooth. Silvery or plumbeous. Upper part of the dorsal fin black. The pectorals 
are also dusky, except their inferior rays, which are whitish. Jaws witha row of compressed, 
trenchant, pointed teeth, 
D. 31, 13-6. P.14. V.1-(?). A. 10-6. C.17 and some accessories. Length, 2 to 
3 feet. 
Caribbean Sea, Cuv. 
Le Gempyle serpent (Gempylus serpens, Cuy., Scomber serpens, SoLANDER), Cuv, et VAL., vit. p. 207. 
GENUS VII. TRICHIURUS, L. 
Head pointed ; body without scales, elongated, compressed, thin, riband- 
shaped. No ventral fins, nor scales instead ; no anal fin ; a single continuous 
dorsal fin ; tail without rays, ending in a single elongated hair-like filament, 
from which the generic name is derived. Branchiostegous rays, seven. <A 
single row of compound, cutting, and pointed teeth. 
1. Trichiurus lepturus, L. 
Silvery, with a golden lateral line. The dorsal fin, which has a yellowish tinge, reaches 
from the back of the head to the tail, which is finless, and ends in an attenuated point. 
Lower jaw projects, and has two teeth jutting beyond the upper, when the mouth is shut. 
The upper jaw has in front from three to six teeth larger than the rest. All the teeth of the 
larger order are jagged on the inner or hinder sides, with a single barb towards the points. 
D. 133, 135, or 136. P. 11 or 12. Length, 2 to 3 feet. 
Massachusetts, Storer. New York, Mircurziz, Cuy., Dexay. Gulf of Mexico, Ca- 
tibbean Sea, Cuv. 
Called ‘‘ Sword-fish,’’? at Jamaica. 
