SUCKLEY MONOGRAPH OF THE GENUS SALMO. 123 



When we speak of color of the ray, we mean of tlie integument or 

 membrane covering it. 



25. SALMO F0NTI:N^ALIS, Mitchill. 



COMMON TROUT; BROOK TROUT OF THE ATLANTIC COAST OF NORTH 



AMERICA. 



Syn. — Salmo fontinalis, Mitchill, Trans. Lit. & Phil. Soc. of N. Y., 1, p. 435 ; — 

 Rich. F. B. A. iii, p. 17(5; — Kihtlaxd, Report, Zool. Oliio, pp. 169-194 ^ — 

 Thompson, Hist. Vermont ; — DeKay, N. H. State of N. Y., Fishes, p. 235 : — 

 Aykes, Bost. Journ. N. H. iv, p. 273; — Kirtlaxd, Boat. Joiun. N. H. iv, 

 p. 305 ; — Valenciennes, H. N. ties Poissous, xxi, j). 26G, 1848 ; — Stoker, 

 Synopsis ; — Bigelow, Bost. Jonrii., vi, p. 49 ; — Foksyth, Bost. Journ., v, 

 p. 412; — Herbert, TFrank Forrester,) "Fish and Fishing;" also, "Sup- 

 plement to the same ;" — Gill, Cat. Fishes E. Coast N. A. 



Salmo nigresceiis, Raf. Ichth, Ohien, p. 45.* 



Salmo erjithrogastcr, DeKay, Report, p. 236. — (Red-bellied variety.) 



Baione fontinalia, DeKay, Rep. Fishes, p. 244, 1842. (A species founded on 

 the young.) 



Salmo canadensis, Ham. Smith, " Grif. Cuv., vol. 10, p. 474, PI. 41."— De Kay, 

 Rep., p. 243. — Storer Syuop., p. 197. 



Salmo fario, Smith, Fishes of Massachusetts, p. 141. 



Sp. Cil — [Mostly condensed from DeKay.] Body oblong, compressed ; 

 back, broad and rounded; head, slo[)ing nearly symmetrically above and 

 below; nostrils donble; labials, intermaxillaries and lower maxillaries 

 armed with minute teeth ; tongue with two rows of from four to six 

 teeth ; vomer, with six to eight teeth in a single row. Br. 12, 12. 



Colons. — Above with irregular dark markings on a horn-colored ground, 

 which, in freshly caught specimens, give bluish and greenish metallic 

 reflections; sides lighter, merging into silvery-white on the abdomen, 

 but showing much red in the spawning season; upper part of the head 

 dark greenish-brown, with obscure mottlings ; vermilion dots and large 

 yellow spots in the vicinity of tlie lateral line. The pectorals have the 

 first ray yellow or the second black, the remainder orange; ventralsand 

 anal with first ray white as on the tips of second and third. Caudal red- 

 dish, with obscure parallel dark bands, more distinct toward the tips of 

 the lobes. Caudal somewhat emarginate ; quite forked in the young, 

 which have also dark transverse bars on the sides. 



Hab. — Fresh-water lakes and streams from Canada to Tennesee on 

 tlie Atlantic slope. Occasionally repairs to salt or brackish water if 

 within reach. 



Among some fifty specimens of this species of trout in the Smithsonian 

 collection are individuals from Eastern Tennessee; Preston County, 

 Virginia, (Professor Andrews;) from the Potomac Eiver; from various 

 rivers and streams in Pennsylvania, New York, and the New England 

 States, Lake Superior, and Canada. 



Notwithstanding the great range of the species there is but little sign 



