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Updated: June 9, 2025
If taken from the animal after death and decomposition, the colour of the shell becomes clouded and milky, and hence the cruel expedient is resorted to of seizing the turtles as they repair to the shore to deposit their eggs, and suspending them over fires till heat makes the plates on the dorsal shields start from the bone of the carapace, after which the creature is permitted to escape to the water.
But if one has ever seen a sagacious pointer making the acquaintance of a box-tortoise, he will have an idea of the relations between the reviewer and the reviewed as they appear in this article. The professor turns the book over and over, inspects it from plastron to carapace, so to speak, and looks for openings everywhere, sometimes successfully, sometimes in vain.
Mingled with the lighter bits of driftwood and heaps of seaweed are the shells of hundreds of crayfish some of the largest are newly cast up by the sea, and the carapace is yellow and blue; others are burnt red by exposure to the sun; while almost at every step you crush into the thin backs and armoured tails of young ones about a foot in length, the flesh of which, by some mysterious process of nature, has vanished, leaving the skin, muscles, and beautiful fan-like tail just as fresh as if the crustaceans were alive.
Melania turritissima, Forbes. a. Fragment of carapace of Trionyx. b. c. Bulimus ellipticus, Sowerby. Helix occlusa, Edwards. Paludina orbicularis. Planorbis discus, Edwards. Lymnea longiscata, Brand. Chara tuberculata, seed-vessel. d.
Carapace smooth, rather convex, and with three keels above; the beak, longly produced, ending in a spine, simple on the side and produced into a keel on each side behind; the central caudal lobe rather narrow, indistinctly divided in half, and like the other lobes flexile at the end, the lateral lobes with a central keel ending a slight spine; the hands elongated, compressed, smooth, with a thickened, toothed, inner margin, which is ciliated above; wrist with two conical spines on the inner side.
Carapace somewhat flattened, the front produced into three large teeth or lobes; the intermediate the widest and most prominent; the sides of the outer lobes rounded before the eye; carapace longer than wide, widest a little behind the insertion of the antennae, the upper surface smooth, polished, with some transverse scratched lines, which are slight and irregular, they are most observable in front and on the sides, behind it is somewhat notched in the middle.
Half-a-dozen tortoise-like missionaries do nothing but walk about the streets from morning to night, proclaiming from carapace and plastron, that there are no hats equal to those at No. 98 of such a street. A van like the temple of Juggernauth parades about all day, propagating the same faith.
Once, when I had one of these animals sitting upon my hand, I noticed that it elevated the hinder part of its carapace, and that by this means a wide fissure was opened upon each side above the last pair of feet, through which I could look far into the branchial cavity.
Perceiving the uselessness of that attempt, she retreated into her room with a movement like that of a tortoise which draws in its head after protruding it from its carapace. The blinds were then closed, and the silence of the street was unbroken except by peasants coming in from the country, or very early persons moving about.
Xantho. It is further to be remarked that the Zoeae of the Crabs, as also of the Porcellanae, of the Tatuira and of the Shrimps and Prawns, are enveloped, on escaping from the egg, by a membrane veiling the spinous processes of the carapace, the setae of the feet, and the antennae, and that they cast this in a few hours.
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