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



•- 



serrate. Back and head olive and bluish, iridescent; sides silvery; abdomen white ; fins 

 dusky brown. Dorsal triangular; caudal deeply bilobed ; anal narrow, slightly falciform ; 

 pectorals do not reach the commencement of the ventrals. 



D. 13. P. 15. V. (?). A. 30. C.22. Length, 12 to 18 inches. 



Ohio River and its tributaries, Kirtland. 



C toe us ellipticus, Hickory or Gizzard Shad, Kirtland's Pa-port, pp. 169, 195. 

 Dorosoma notata (the young), Raf., Ichth. Ohien., p to, 



ClialoSdSus ellipticus, Hickory or Gizzard Shad, Kirtland, Eo.st. Journ. Nat. Hist., iv. p. 235, pi. 10, fig. 1. 

 " " " " Dekay's Report, p. 2G5. 



5. Chatoessus signifer, Dekay. 



Body compressed, elliptical. Bluish above, with a series of dark points along the sides ot 

 the back, forming four or five longitudinal lines. A round black spot behind the upper part 

 of the branchial aperture. Pectorals, ventrals, and anal white; dorsal and caudal yellow. 

 Abdomen serrate, with thirteen distinct rhomboidal acute scales between the ventrals and 

 the vent, and eighteen smaller, scarcely prominent ones anterior to the ventral fins. Scales 

 large- Dorsal subtriangular ; dorsal filament equal in length to the greatest depth of the 

 body; anal very low, but distinct. 



D. 19. P. 18. V. 8. A. 21. C. 19§. Length, 8 inches. 



New York, Dekay. 



Called "Shad-Herring,'' "Thread-Herring," and "Thread-fish," in New York. 

 Chatoessus signifer, Spotted Thread-Herring, Dekay's Report, p. 264, pi. 41, fig. 132. 



GENUS V. HYODON, Lesueur. 

 Body compressed as in the Herrings, but without abdominal serratures. 

 Eyes very large. Teeth minute and curved on the jaws, tongue, vomer, and 

 palatines. Branchial rays, eight or nine. Dorsal opposite the commence- 

 ment of the anal. Scales large, deciduous. 



1. Hyodon tergisus, Lesueuk. 



Body lengthened, elevated ; back almost straight, and parallel with the abdomen. Back 

 bluish; sides silvery ; fins tinted with yellow, with metallic reflections on the rays. Ana] 

 large, and rounded anteriorly, very narrow posteriorly. Lateral line nearly straight. Dor- 

 sal subquadrangular ; ventrals with an accessory scale. 



D. 15. P. 18. V. 7. A. 32. C. 18|- Lesueur. Length, 9 to 13 inches. 



D 15. P- 15. V. 7. A. 29. C. I8 7 f . Dekay- 



New York, Dekay. Lake Erie, Ohio River, Lesueur. 



Called " Moon-eye," " Shiner," " Lake Herring," at Buffalo ; it is known also by the 

 names of "Herring," " River Herring," and " Toothed Herring." 



