. Elements of zoölogy : a textbook. Zoology. 2UG VERTEBRATA: PISCES OR FISHES. name. The Sun-tishes (Fig. 312) have the tail so short that they appear as if their hind parts had been cut off just behind the dorsal fin. They attain a very large size. The Trunk-fishes have the head and body covered with bony plates so united that they form an inflexible shield • the mouth, tail, and fins being the only movable parts. SUB-SECTION VIII. THE ORDER OF ACANTHOPTERI OR SPINE-FINNED FISHES. THE Spine-finned Fishes constitute a very extensive group, whose members are easily distinguished by the fact tha
. Elements of zoölogy : a textbook. Zoology. 2UG VERTEBRATA: PISCES OR FISHES. name. The Sun-tishes (Fig. 312) have the tail so short that they appear as if their hind parts had been cut off just behind the dorsal fin. They attain a very large size. The Trunk-fishes have the head and body covered with bony plates so united that they form an inflexible shield • the mouth, tail, and fins being the only movable parts. SUB-SECTION VIII. THE ORDER OF ACANTHOPTERI OR SPINE-FINNED FISHES. THE Spine-finned Fishes constitute a very extensive group, whose members are easily distinguished by the fact that spines occupy the place of the first rays of the dorsal fin; or alone support the first fin of the back whenever there are two dorsals; or, in some cases, a few free spines wholly take the place of the first dorsal; and there is generally one spine to each ventral fin ; and the first rays of the anal are also spines. These fishes abound in the ocean, in lakes, ponds, and streams, and they vary greatly in form and size. Some, FIG. 315. FIG. Toad-fi?h, Bo- trachus tau, Angler or Goose-Fish, LopMus americanus, 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 Tenney, Sanborn, 1827-1877. New York : Scribner
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