. Zoology for high schools and colleges. Zoology. 453 ZOOLOGY. has fifteen or sixteen anal rays. The Salmo salar Linn. sometimes weighs eighty pounds. It is common to Europe as well as Northeastern America. In the autumn the salmon ascends rivers to spawn, penetrating as near the source as possible. During the breeding season the males differ de- cidedly from the females, in the long, slender, hooked snout, the body being thin and high-colored. The eggs are very large, exceeding a pea in size, and are laid in shallow holes made in the gravel of streams. The extreme young are banded and called
. Zoology for high schools and colleges. Zoology. 453 ZOOLOGY. has fifteen or sixteen anal rays. The Salmo salar Linn. sometimes weighs eighty pounds. It is common to Europe as well as Northeastern America. In the autumn the salmon ascends rivers to spawn, penetrating as near the source as possible. During the breeding season the males differ de- cidedly from the females, in the long, slender, hooked snout, the body being thin and high-colored. The eggs are very large, exceeding a pea in size, and are laid in shallow holes made in the gravel of streams. The extreme young are banded and called parr; when about a year old, and of a bright silvery color, before descending the rivers to the sea, it is called a s7mU ; after its return from the sea into fresh water it goes by the name of grilse; and finally, after re- turning a second time from the sea, it assumes its name of salmon. The trout, Salmo (Salvelinus) fontinalis Gill and. Fig. 412.—The Smelt—OsffwrMSmordJoa—om^ half natural size.—Prom the ican Natwralist, Jordan, also breeds in the autumn and early winter; it is not anadromous, living permanently in streams and ponds. An allied family embraces the smelts, Osmerus eper- lanus Linn., and 0. mordax Mitchill, which live on both sides of the Atlantic, and range from Nova Scotia to Vir- ginia. The capelin, Mallotus villosus Cuvier, is valuable as bait in the cod fishery. It spa^vns in the summer. The males are distinguished by a prominent lateral ridge along the sides of the body and are more numei-ous than the females. Belonging to the same suborder or group of families as the SalmonidcB is the family GalaxiidcB, represented by Galaxias and Neochanna (Fig. 413), in the latter of which the ventral fins are Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Packard, A. S. (Alp
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