131 



it has been oxtoniiiiiatcil iu m^ist of the i^^trecirns near Balti- 

 more. 



Acad. Coll, 



XLIX-HYODOMTIDE, 



HYODOX, Lesueur. 



H. tergisus. 



Mtid Shad, The River Moon-Eye. 



Body coDipressed, back very slightly arched. Scales large, 

 ascending high up on the base of the caudal. Head small; 

 eyes very large, nearly filling up the whole space between 

 the angle of the jaws, and the upper part of the head. Back 

 bluish; sides silver3^ Fins tinged with 3'ellow; "base of cau- 

 dal rays dusky. Length, 9 inches. 



Fin-rays:— D. 15; P. 15; V. 7; A. 29; C. 18. 



H. tergisus, Lesueur, Journ. Ac. Nat. Sc. Philad. Ij). 336; 

 Kirtland, Eep. Zool. Ohio, p. 170, 195, and Bost. Journ. 

 Nat, Hist. V, 1816, p. 338; DeKay, New York Fauna, Fish, 

 p. 265, pi. 41, fig. 130; Cuv. & Val. XIX, p. 309, pi, 572; 

 Girard, U. S. Pac. R. E. Bxped., Fish, p. 332 pi. 75, fig. 

 1—4. 



Occurs in the canal in Washington county. It seems to be 

 little esteemed for food; being considered bony and unsavory. 

 )Seems to be frequently confounded with the Hickory-Shad of 

 our tide-w^ater districts. 



Acad. Coll. 



L— 3 



EL0P8, Linn. 



E. saiirus. 



Big-^yed Hernng, or JacEmanc 



Form much elongated, nearly cylindrical, round on the 

 back, slightly flattened on the belly, and a little compressed 

 on the sides, but more so near the tail. Head long and thick, 

 with a full and round muzzle. Eyes very large; mouth wide, 

 extending behind the orbit of the eye. The lower jaw seems 

 longer than the upper, but it is in fact let into it when the 

 moutliis closed. The head is pale green above, white on the 

 sides; the body is pale silver-gray above, or with a faint 



