﻿YII. 



A History of the Fishes of Massachusetts. 

 By DAVID HUMPHREYS STOKER, M. D., A. A. S. 



Continued from Vol. T'. ^. 29G. 



FAMILY XIII. CYPRINODONTID.E {continued). 



GEXUS n. HYDEAEGYRA, Lacep. 



Upper surface of head flattened ; but the jaws are not depressed. Fine card-like 

 teeth upon the jaws. Opening of mouth semicircular. Lower pharyngeal teeth with 

 rounded cro-mis, the medio-posterior ones the largest. Branchial rays six on either 

 side. Dorsal opposite to anal, as in the genus Esox. Caudal posteriorly subtruncated. 

 L'pper surface and sides of head covered with scales. 



Hydrargyra flayula, Storer. 



The Basse Fry. 



(Plate XXTTT . Fig. 5. Male. 6. Female.) 



Esox Jiavulus, Neio York Gudgeon, Mitch., Trans. Lit. and Phil. Soc. of N. Y., i. p. 4-39. pi. 4, fig. 8. 

 Cijprinodon Jlavulus, Val., in Humljoldt and Bonpland, ii. p. 164, pi. 62, fig. 3. 

 Hijdrargijra flavula, The Basse Fry, Stoker's Eepoit, p. 95. 



" " Atees, Bost. Jonm. Nat. Hist., iv. p. 267. 



" " GiRAED, in Lit. 



Eydrargyraformosa, Siorer, Pioc. Bost. Soc. Nat. Hist., i. p. 76. 

 Hydrargyra trifasciata, Stober, Bost. Jonm. Nat. Hist., i. p. 417. 

 Funduhis fasciatus. Striped KilliJisJi, Dekat, Report, p. 216, pi. 31, fig. 98. 

 Hydrargyra vemalis, Cuv. et Val., Hist. Nat. Poiss., xviii. pp. 206, 207. 

 Hydrargyra flamda. Stoker, Mem. Amer. Acad., New Series, n. p. 432. 



" " " Synopsis, p. 180. 



Color. Female of a yellowish-green abo-\'e, lighter upon the sides, and M'hite be- 

 neath. Several longitudinal, interrupted black bands, sometimes five in number, may 



VOL. VI. NEW SERIES. 50 



