Frank Forester's le poisson et la pêche de l'Organisation des États et provinces britanniques d'Amérique du Nord . h J'ai describedabove a.n la truite de (irive, et est trouvé dans le même il waterswith inoHt, abondamment dans J>ake Superi""r et le lac Ilunui,mais nu)rc ou moins couramment dans tous les lacs au-dessus des chutes. ofNiagara En Ontario, et, comme on le croit, dans le snwdlir -^^^^ salmonidés. eaux intérieures de New York et les États de l'Est, c'est inconnu. La tête, le dos, andsides Siskawitz,de l'au-dessus de la ligne latérale, areof olive brunâtre terne, avec un brillant plus écologiques surla parties supérieures, irregu-ment blotched un

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Frank Forester's fish and fishing of the United States and British provinces of North America . h I have describedabove a.n the Truite de (irive, and is found in the same waterswith it, inoHt abundantly in I>ake Superi«»r and Lake Ilunui, but nu)rc or less commonly in all the lakes above the Falls ofNiagara. In Ontario, and, as it is believed, in the snwdlir -^^^ SALMONID^. inland waters of New York and the Eastern States, it is unknown. The head, back, andsides of the Siskawitz, above the lateral line, areof dingy brownish olive, with a greener gloss onthe upper parts, irregu-larly blotched and cloud-ed, rather than spotted, with lighter circular oroval patches of the samecolour. Below the lateralline the colour is palerand more yellow, withclusters of the same spotsfading into a dull deadwhite, which is the pre-vailing hue of the belly, with a very slight silverygloss on some of thescales. The dorsal and caudalfins are of the samegreenish brown with theback, and like it areirregularly patched withlighter spots. The pec-toral, ventral, and anal fins are paler, but with the same. Salmo Siskawitz—Agassiz. UKNKKAI, HKSCIUPTIuN. U5 markings, and with n very taint indication of dnsky red onthe margins. Altogether, the Si.skawit/. is u greener eoluured and lesslustrons fish than the Namaycush, and far less distinctlyspotted; still there is so iniich siniihirity, that l)y a person notnccustonud to look for nicir and more pciinanent structuraldistinctions, the two species might he wvy icadily confomidcd. In form the Siskawitz is rather shorter and stouter thanthe Mackinaw ti^h, and doi-s not ta[)er nearly so much at eitherextremity. The head particularly, which in the other is verysmall, neatly shaped, and depressed towards the snout, is short, thick, and very obtusely rounded, giving it a coarse and clumsyprotilc, and distinguishing it decidedly from the kindred species.On the shoulders it is moderately broad, with the sides some-what compressed. The length of the head i

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