. Elements of comparative zoology. Zoology. 332 SYSTEMATIC ZOOLOGY. In another group of perch-like forms the spines of the fins are more developed. Here belong the perch, sea- bass, and porgies; the sheepshead and fresh-water sunfish, the sculpins, and a long series too numerous to Fig. 132.—Mackerel (Scomber scombriis*). Order IV.—Pharyngognathi. These are Acanthopteri in which the last branchial arches are fused into a single bone, which thus resembles an additional jaw in the throat, whence the name (pharynx-. Please note that these images are extracted from scanned page images th
. Elements of comparative zoology. Zoology. 332 SYSTEMATIC ZOOLOGY. In another group of perch-like forms the spines of the fins are more developed. Here belong the perch, sea- bass, and porgies; the sheepshead and fresh-water sunfish, the sculpins, and a long series too numerous to Fig. 132.—Mackerel (Scomber scombriis*). Order IV.—Pharyngognathi. These are Acanthopteri in which the last branchial arches are fused into a single bone, which thus resembles an additional jaw in the throat, whence the name (pharynx-. 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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