208 Storer's Synopsis of the Fishes of North America. 



5. Alosa sadina, Mitchill. 



Oblong;, compressed. Abdomen indistinctly serrated. Greenish and blue above, with me- 

 tallic reflections ; sides and belly silvery ; a dark, almost black spot upon the shoulder. No 

 caudal pouches. 



D. 16. P. 16. V. 7. A. 21. C. 16|. Length, 6 to 12 inches. 



Connecticut, Ljnsley. New York, Mitchill, Dekav. 



Clupea sadina, New York Shidme, Mm : bit. and Phil. Soc. of N. Y., i. p. -1.37. 



sadina, Spotted Shadine, Dekay's Report, p. 263, pi. 11), fig. 129. 



Mr. Linsley considered this species the young of the Alosa sapidissima (see Silliman's 

 Journal, Vol. XL VII.). 



6. Alosa teres, Dekay. 



Body elongated, cylindrical. Ventrals behind the dorsal. Bright silvery ; darker above, 

 with a tinge of blue and yellow on the flanks. Dorsal and caudal tinged with yellow ; the 

 remaining fins transparent, feebly punctate with black. 



D. 19. P. 15. V. 10. A. 12. C. I9§. Length, 7 inches. 



New York, Dekay. 



Alosa teres, Slender Herring, Dekay's Report, p. 2G2, pi. in fig, 128. 



■ 



GENUS III. POMOLOBUS, Raf. 



Body nearly cylindrical, elongate, scaly. Vent posterior. Abdomen ca- 

 rinated and serrated from the head to the vent ; but without plates or broad 

 scales. Head scaleless, opercle lobed, with a rounded shield above. Jaws 

 without teeth ; upper, truncate, extensible ; lower, horizontal and fixed. Ab- 

 dominal fins with nine rays, and without any lateral appendage ; dorsal fin op- 

 posite. 



1. Pomolobus chrysochloris, Raf. 



Body subcylindric, compressed on the sides; abdomen slightly carinatc and serrate ; back 

 rounded. Top of the head and back bluish-purple, iridescent ; the gill-covers and sides of 

 the jaws golden and purple, sides of the body and the abdomen while. 



D. 18. P. 16. V 9. A. 18. C. 34. Length, 12 to 18 inches. 



Ohio River, Kirtland. 



Pomolobus chrysochloris, Ohio Gold Shad, Rap., Ichlh. Ohien., p. 30. 



Alosa chrysochloris, Gold Shad, Gold Herring, Skipjack, Kirtland. Eost. Journ. Nat. Hist., iv. p 

 pi. 15, fig. 3. 



GENUS IV. CHATOESSUS, Cuv. 

 The last ray of the dorsal is prolonged into a filament ; some have the jaws 



