. L'American Natural History : una fondazione di conoscenze utili degli animali superiori dell' America del Nord . Storia naturale. 398 OKDERS DI PESCI-TEOUT e salmone queste specie si trovano solo lungo la costa del Pacifico, tra Washington e sud- Cali fornia.. La trota iridea. La trota Steelhead,1 e il suo gruppo.- Il pesce che rappresenta questo gruppo è di com- manding di dimensioni e di alto valore come un cibo di pesce. I suoi altri nomi sono il salmone e la trota Hard- testa. Si raggiunge un peso massimo di 14 chili, ma di solito il suo peso è compreso tra 5 e 8 libbre. Esso "ranghi molto elevata come un gioco di pesce e tr

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. The American natural history : a foundation of useful knowledge of the higher animals of North America . Natural history. 398 OKDERS OF FISHES—TEOUT AND SALMON these species are found only along the Pacific coast, between Washington and southern Cali- fornia.. RAINBOW TROUT. The Steelhead Trout, 1 and its group.— The fish which represents this group is of com- manding size, and of high value as a food fish. Its other names are Salmon Trout and Hard- head. It reaches a maximum weight of 14 pounds, but usually its weight is between 5 and 8 pounds. It "ranks very high as a game fish, and trolling for Steelheads in the bays, sounds and river mouths along our Pacific coast affords excitement and pleasure exceeded among the Salmonidae only by trolling for Chinook Salmon." (Jordan and Evermann.) This fish is regularly propagated by the United States Bureau of Fisheries, by which it has been successfully planted in Lake Superior. Great numbers are caught every year in the Columbia River, and canned for the eastern markets. It is found in the streams flowing into the sea along the coast of California, from southern California to Alaska. Its scales are small, its form is sal- mon-like, and its color is silvery, with a wash of rose-pink down the sides. The Great Lake Trout, or Mackinaw Trout, 2 and its group.—This fish is the largest of all trout. Its usual weight is from 15 to 20 pounds, but it reaches a maximum of 125 pounds. Its color is dark gray, varying most erratically from pale gray to almost black. Its irregular 1 Sal'mo gaird'ner-i. 2 Cris-ti-vo'mer nam'ay-cush. and very numerous spots of gray mark this fish very distinctly, for they cover not only the body but all the fins save those under the body. As its name implies, this is essentially a fish of the Great Lakes, and for many years has been the principal source of fresh-fish supply for a large area in that region. In its own field its only rival in commercial importance is the white- fish. Usually

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