. A manual of zoology. 438 MANUAL OF ZOOLOGY In the Chelonia (Fig. 263) the body is short and broad, enclosed in a hard "shell," consisting of a dorsal part or carapace and a ventral part ox plastron. These are firmly united, apertures being left between them for the head and neck, the tail and the limbs. The neck is long and mobile ; the tail short. The limbs are fully developed, though short. In some (land and fresh-water tortoises) they are provided each with five free digits terminating in curved horny claws ; in the turtles the digits are closely united together, and the. Fig. 2
. A manual of zoology. 438 MANUAL OF ZOOLOGY In the Chelonia (Fig. 263) the body is short and broad, enclosed in a hard "shell," consisting of a dorsal part or carapace and a ventral part ox plastron. These are firmly united, apertures being left between them for the head and neck, the tail and the limbs. The neck is long and mobile ; the tail short. The limbs are fully developed, though short. In some (land and fresh-water tortoises) they are provided each with five free digits terminating in curved horny claws ; in the turtles the digits are closely united together, and the. Fig. 262. — Hatteria punctata. (After Brehm.) limb assumes the character of a " flipper" or swimming paddle. The cloacal aperture is longitudinal. The Crocodilia, the largest of living reptiles, have the trunk elongated and somewhat depressed, so that its breadth is much greater than its height. The snout is prolonged, the neck short, the tail longer than the body and compressed laterally. The limbs are relatively short and powerful, with five digits in the manus and four in the pes, those of the latter being partly or completely united by webs of 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 Parker, T. Jeffery (Thomas Jeffery), 1850-1897; Haswell, William A. (William Aitcheson), 1854-1925. New York, The Macmillan Company; London, Macmillan & Co. ,Ltd.
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