. A textbook in general zoology. Zoology. 2Gf SNAKES, TURTLES, LIZARDS, CROCODILES head is retracted the front feet and legs are brought around in front and used completely to close tire openmg in the front of the shell. The hind feet are club-shaped and each. Fig. 181.—Gopher turtle. ends in four toe nails. They live in burrows dug in the soil to the depth of four or five feet. Chief characteristics of the turtles. —The bodies are short and stout and incased in a more or less bony box, called the shell. The shell consists of two portions, an upper portion, the carapace (Fig. 182), and a lower
. A textbook in general zoology. Zoology. 2Gf SNAKES, TURTLES, LIZARDS, CROCODILES head is retracted the front feet and legs are brought around in front and used completely to close tire openmg in the front of the shell. The hind feet are club-shaped and each. Fig. 181.—Gopher turtle. ends in four toe nails. They live in burrows dug in the soil to the depth of four or five feet. Chief characteristics of the turtles. —The bodies are short and stout and incased in a more or less bony box, called the shell. The shell consists of two portions, an upper portion, the carapace (Fig. 182), and a lower portion, the plastron. These are immovably united by the edges, along the sides, but remain open in front for the protrusion of the head and fore legs, and behind, to allow action of the hind legs and afford room for the tail. The turtles have no teeth, but the horny jaws have sharp, chisel-like edges that form a most efficient cutting apparatus. In most cases the head, tail, and legs may be retracted within the shell. In most turtles the shell is very completely ossified and covered with scales. In the soft-shelled turtles, the shell is not so bony but remains soft, while in the leather turtle, the soft. 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 Herrick, Glenn W. (Glenn Washington), 1870-1965. New York, Cincinnati [etc. ] American Book Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912
