81 



A single band of small incurved teetli in the upper jaw, also 

 on the vomer and tongue. Branchial aperture large Dorsal 

 and anal opposite and co-equal. Pectoral small and rounded. 

 Yentrals narrow, and with a membrane attaching them to the 

 body. Caudal fin crepcent-shaped. Dusky brown above ; the 

 under part of the body lighter. Fins darker than the rest of 

 the body. Length, 12 to 18 inches. 



Fin-rays :— C. 21 ; P. 22 ; V. 4 ; A. 20 ; C. 20. 



Echeneis remora, L. Syst. I, p. 446 ; Lacep. Ill, pp. 146, 

 147, pi. 9, fig. 1 ; Mitch. Trans. Lit. & Phil. Soc. New York, 

 I, p. 378 ; Richards. Faun. Bor. Amer., p. 265 ; DeKay, New 

 York Fauna., Fish. p. 309. 



Not uncommon on the coast of Worcester county. They 

 are mostly found adhering to the bottom of vessels, which 

 arrive from the open ocean, and also on such as traffic along 

 the southern coast. 



Acad. Coll. 



XXXVIIa— SPHYRENIDE. 



SPHYRiENA, Bloch. 

 S. horealis. 



Northern Barracuda. 



The body of this fish is elongated, subcylindrical. The 

 height of the body is contained nine or ten times in the total 

 length ; the length of the head Sj ; the diameter of the eye 

 is one-eighth of the length of the head. The head is pro- 

 duced, flattened, smooth, channeled above ; the operculum 

 with a single point ; eyes large and oval. Lower jaw longest, 

 ending with a long, fleshy appendage. Teeth acute, pellucid; 

 conspicuous in both jaws. In the lower jaw they are large, 

 distant behind, and becoming smaller and more crowded 

 towards the front, where two very large teeth are placed, and 

 received in a cavity in the upper jaw, and numerous smaller 

 ones along the edges of the intermaxillaries. Three long and 



