CLUPEID^E. CVII. 279 



scales large; D. 18; A. 21; V. 9; lat. 1. 68. Newfound- 

 land to Florida, entering rivers; also lately introduced 

 into Western streams; a valuable food fish. (A.prcesta- 

 bilis, DeK.) 



2. POMOLOBUS, Rafinesque. GASPEREAUS. 



1. P. pseudoharengus, (Wils.) Gill. ALEWIFE. GAS- 

 PEREAU. SPRING HERRING. Head 4 in length; eye 4 

 in head; bluish, sides iridescent; D. 18; A. 18; V, 9. 

 Newfoundland to Florida, entering rivers, sometimes 

 land-locked in ponds ; a common food fish. (A. tyrannus, 

 DeK. A. cyanonoton, Stor., etc., etc.) 



Var. lacustris, Jordan. CAYUGA LAKE SHAD. Head 

 4 in length; body much heavier forward than in the 

 others; depth of head 4^- in length of body; eye large, 

 longer than snout, 3 in head; scales large, loose; caudal 

 peduncle in its narrowest place not half wider than eye; 

 steel blue, punctate; sides silvery; D. 15; A. 19; lat. 1. 

 45; 33 scutes in all, 13 behind ventrals. Cayuga L., 

 N. Y., dredged in deep water. (Same as preceding.) 



2. P. chrysochloris, Raf. OHIO GOLDEN SHAD. SKIP 

 JACK. Head 4 in length; eye 4^ in head; body ellipti- 

 cal, much compressed; scales large, high, rather firm; 

 depth of head 5 in length of body; caudal peduncle 

 about twice width of eye; brilliant blue with green and 

 golden reflections, silvery below; D. 18; A. 18; lat. 1. 55; 

 17 scutes behind ventrals. Ohio R. and lower Mississippi; 

 a handsome species. Jaws with distinct teeth. 



3. DOROSOMA, Rafinesque. GIZZAED SHADS. 



= Chatoessus, Cuvier. 



1. D. cepediana, (LeS.) Gill. HICKORY SHAD. 

 GIZZARD SHAD. Head 4 in length; depth 2-|; origin of 



