. A guide to the study of fishes. Fishes; Zoology; Fishes. Fig. .354.—iiorn\(jss Trunktish, Lactophrys trigonus (). Tortugas, Fla. A fossil species of Ostracion {0. micritrnm) is knoAvn from the Encene of Monte Bolca. The Gymnodontes. — The group of Gynuiodontcs, having the teeth united in a turtle-like beak, carry still further the degen-. Fig. 355.—Skeleton of the CowlLsh, L ictophnjs tricornis (Lhinirus). eration of scales and fins. There is no trace of spinous dorsal, or ventral. The scales are reduced to thorns or prickles, or arc lost altogether. All the species have the habit
. A guide to the study of fishes. Fishes; Zoology; Fishes. Fig. .354.—iiorn\(jss Trunktish, Lactophrys trigonus (). Tortugas, Fla. A fossil species of Ostracion {0. micritrnm) is knoAvn from the Encene of Monte Bolca. The Gymnodontes. — The group of Gynuiodontcs, having the teeth united in a turtle-like beak, carry still further the degen-. Fig. 355.—Skeleton of the CowlLsh, L ictophnjs tricornis (Lhinirus). eration of scales and fins. There is no trace of spinous dorsal, or ventral. The scales are reduced to thorns or prickles, or arc lost altogether. All the species have the habit of inflating themselves with air when disturlied, thus floating, belly up- AA'ard, on the surface of the water. Very few, and these only northern species, are used as f(iod, the flesh of the tropical forms being generally poisonous, and that often in a higher degree than any other fishes whatever. The Triodontidae. — The most generalized family is that of the Triodoiitidcc. These fishes approach the Balisiidcc in se\-eral. 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 Jordan, David Starr, 1851-1931. New York, H. Holt
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfishes, booksubjectzo
