. American fishes [microform] : a popular treatise upon the game and food fishes of North America, with especial reference to habits and methods of capture. Fishes; Fishing; Poissons; Pêche sportive. TllK AlHTIC (iltAYMXd. THE GRAYLINGS. Kffigiens ociilis celeri umbra iiatatii. AusoNirs; Tlu- .\f,>sc!le. 'TpWO species of the genus Thymalhis occur in Xortli America, one, the Arctic Cirayling T. sigvifcr, the other the Midiigan (Irayling T. tricolor, the diagnostic characters of wliicli are thus defined by Bean : SPECIES OF A. Gill-rakers 22 ; pyloric cneca 19 ; maxilla ', lieatl :
. American fishes [microform] : a popular treatise upon the game and food fishes of North America, with especial reference to habits and methods of capture. Fishes; Fishing; Poissons; Pêche sportive. TllK AlHTIC (iltAYMXd. THE GRAYLINGS. Kffigiens ociilis celeri umbra iiatatii. AusoNirs; Tlu- .\f,>sc!le. 'TpWO species of the genus Thymalhis occur in Xortli America, one, the Arctic Cirayling T. sigvifcr, the other the Midiigan (Irayling T. tricolor, the diagnostic characters of wliicli are thus defined by Bean : SPECIES OF A. Gill-rakers 22 ; pyloric cneca 19 ; maxilla ', lieatl : mamlible equal to anal base ; eye nearly equal tn inter- orbital space ; dorsal when laid back nut reaching adipose lin. T. 'IKlCdLOK. aa. Gill-rakers 18 ; pyloric ca-ca 18 ; 3-10 head ; mandible much shorter than anal base; eye much less than interorbital space ; dorsal when laid back reaching end of adipose lin. '1'. Sit IN I KKK. The Arctic Cirayling was first found by Capt. John Franklin's expedi- tion toward the North Pole, in 1S19, and called Tliymalliis signifer, by Sir John Richardson, who thus describes its discovery: " This very beautiful fisli abounds in the rocky streams that flow through the primitive country lying north of tlie sixty-second jjarallel between -Mackenzie's River and the Wt-lcome. Its higidy ai)])ropriate Ivciuimaux name (' Hewlook-Powak,') denoting ' wing-like,' alludes to its niagiufii ent dorsal, and it was in reference to the same feature that I bestow upon it tlie specific appellation of ..Syi,'-////<'r or the 'standard-bearer,' intending also to advert to the rank of my companion, Cajitain Back, then a midshipman, who took the first specimen that we sawwith the artificial fly. It is founcl only in clear waters, and seems to delight in the most rajiid parts of the mountain ; As is im])lied in tiiese remarks, this sjiecies is re- markable for its immense dorsal fin, which is nearly twice as high as the bodv <-f the
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Keywords: ., bookcentury1800, booksubjectfishes, booksubjectfishing, bookyear1
