95 



the gill-covers, and high up on the base of the vertical fins; 

 the lateral line is furnished on its straight portion with twenty- 

 five bony plates, commencing small at first, but becoming more 

 •elevated, ending in sharp three- sided spines. In front of the 

 first dorsal fin, which is received in a furrow, is a short spine, 

 directed forwards, and nearly concealed in the skin. Caudal 

 fin deeply forked. The back is bluish; golden yellow on 

 "the sides; ventrals, anal and caudal fine yellow, the latter with 

 dusky tips; chin satin-white; a dark round spot on the front 

 margin of the opercle; another on the inner base of the 2)ecto- 

 ral, and occasionally a short black vertical bar across the 

 middle of the pectoral fin. Total length, 12 — 16 inches. 

 Fin-rays:— D. 8, 1, 23; P. 18—20; V. 1, 5; A. 2, 17: C. 



n. 



Scomber Idppos, L. Lyst. Nat. I, p. 491. 



C. defensor^ DeKav, New York Fauna, Fishes, p. 120, pi. 

 24, fig. 72. 



Enters Chesapeake Bay, but is very rarely brought to the 

 Baltimore markets. 



Acad. Coll. 



TRACHYNOTUS, (Lacep.) Ciiv. & Val 



1— T. carolinus. 



Similar in shape to the preceding. The first dorsal fin is 

 repesented by six short spines, each with a short membrane 

 and preceded by a spine directed forward ; the second dorsal 

 and the anal fin with their first rays prolonged. The 

 face abruptly cut off before the eyes. 



The color of this fish is beautiful silvery, a little darker 

 upon the back. When dead, it is golden, shaded with pale 

 blue along the back. Total length, 20 inches. 



Fin-ravs:— D. 6, 1, 24; P. 16—18; V. 1, 5 ; A. 2.20; 

 -€. 18—20. 



Lichia Carolina, DeKay^ 1. c. p. 114, pi. 10, fig. oO. 



Bothrolcemus pampanus, Holbr. Iclith. S. Car. p. 8o, pi. 

 11 fio- 2 



XX, IX J,. -I. 



Doliodon carolinus, Girard, Proc. Acad. Nat. Sc. Philad. 

 1858, p. 168. 



Trachynotus carolinus, Gill, Proc. Acad. Nat. Sc. Philad. 



Eather uncommon in Chesapeake Bay, but is occasionally 

 ■brought to the Baltimore markets. It feeds on various kinds 

 •of molluscous and crustaceous animals. It is considered the 

 most delicious fish of the coast. 



Acad., Coll. S. I. 



