. Comparative zoology, structural and systematic : for use in schools and colleges. Zoology; Anatomy, Comparative; Physiology, Comparative. Fig. 291.—Oat-tioii, or .horned Pout (PimcLo&us catus). American rivers. and a scaly exoskeleton. The skull is extremely com- plicated ; the upper and lower jaws are complete, and the gills are comb-like or tufted. The tail is homocercal; the other fins are varia- ble in number and position. In the soft-finned Fishes, the ventrals are ab- sent, as in the Eels; or attached to the abdomen, as in the Saim on s, Herri n gs, Pikes, and Carps; or placed unde
. Comparative zoology, structural and systematic : for use in schools and colleges. Zoology; Anatomy, Comparative; Physiology, Comparative. Fig. 291.—Oat-tioii, or .horned Pout (PimcLo&us catus). American rivers. and a scaly exoskeleton. The skull is extremely com- plicated ; the upper and lower jaws are complete, and the gills are comb-like or tufted. The tail is homocercal; the other fins are varia- ble in number and position. In the soft-finned Fishes, the ventrals are ab- sent, as in the Eels; or attached to the abdomen, as in the Saim on s, Herri n gs, Pikes, and Carps; or placed under the throat, as in the Cod, Haddock, and Flounder. In the spiny-finned Fishes, the ventrals are generally under or in front of the pectorals, and the scales ctenoid, as in the Perches, Mullets, and Mackerels. 4. Dipnoi. These Fishes connect the class wTith the Amphibia. They have an eel-like body, covered with cycloid scales; an embryonic notochord for a back-bone;. Fig. 292.—Cod (Morrhua Americana). Atlantic coast. Fig. 293.—Protopterm annectens; one fourth natural size. African 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 Orton, James, 1830-1877; Birge, E. A. (Edward Asahel), 1851-1950. New York : Harper & Bros.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1883
