ACANTHOPTERYGIANS I SCOMBERIDjE. 



335 



teeth. It contains the Skip-Jack, or Striped Bonito, P. 

 sarda, Cuv., of the Atlantic, which is from twelve -to 

 twenty inches long, dark plumbeous above, abdomen 

 silvery white, with six or more parallel, longitudinal, 

 somewhat oblique dark stripes on the body and sides. 



The Genus Xiphias Sword-Fishes has a very long 

 beak, or sword-like upper jaw. The Common Sword- 

 Fig. 203. 



Sword-Fish, X. gladius, Linn. 



Fish, X. gladius, Linn., of the Atlantic and Mediter- 

 ranean, is from ten to sixteen feet long. It attacks the 

 largest animals of the sea, and swims with astonishing 

 swiftness. 



The Genus Naticrates Pilot-Fishes has a fusiform 

 body, free dorsal spines, a Fig. 204 . 



crest on the sides of the tail, 

 and two free spines before the 

 anal fin ; species ma/ine. 



The Genus Temnodon has 

 the first dorsal in a furrow, teeth on the outer row sep- 

 arate, flat, and lancet-shaped ; inner series crowded, and 

 the teeth dense upon the vomer, palatines, and tongue. 

 The Blue-Fish, T. 

 saltator, Cuv., of al- 

 most all seas, is about 

 eighteen inches long, 

 bluish above, lighter 

 below. It is prized 

 for food. 



Pilot-Fish, N. noveboracensis, C. & Val. 



Blue-Fish, T. saltator, Cuv. 



