. The animal creation: a popular introduction to zoology. Zoology. 400 CHELONIAN REPTILES. surface of the ocean. They appear to be able to sleep in this way, and they also dive very well. At the laying season they leave then- habitual haunts and resort to the shores of some desert island to de- posit their eggs in holes which they dig in the sand. During the niglit they drag themselves on to the beach beyond the line of high tide, and with their fore-fins excavate a cavity about two feet deep, wherein they deposit then- eggs in regular ranges, and cover them with sand so carefully as scarcely
. The animal creation: a popular introduction to zoology. Zoology. 400 CHELONIAN REPTILES. surface of the ocean. They appear to be able to sleep in this way, and they also dive very well. At the laying season they leave then- habitual haunts and resort to the shores of some desert island to de- posit their eggs in holes which they dig in the sand. During the niglit they drag themselves on to the beach beyond the line of high tide, and with their fore-fins excavate a cavity about two feet deep, wherein they deposit then- eggs in regular ranges, and cover them with sand so carefully as scarcely to leave the smallest trace of their labour. This operation accomplished, they return to the sea. The number of theu- eggs is very considerable, sometimes as many as two hundred, and the laying is repeated two or three times a \ear. In about fifteen or twenty days, the eggs are hatched, and the young, as yet quite soft and sliell-less, immediately make for the water; but, before reaching it, they often become the prey of carni- vorous birds, that seem to await the moment of their birth to feast upon them. They have also to dread voracious fishes and crocodiles, so that comparatively few escape from their numerous enemies. The tortoise-shell, so much valued on account of its high polish, semi-transparency, and richly-clouded colours, is obtained from the plates covering the back of the Hawks-bill Turtle {Chelone imhricata), of which a figure is appended (Fig. 332). The flesh of this species is not valued; but there is [xex (Chelone my das), belonging to the same family, so highly esteemed for the delicacy of its flavour, that great numbers are annually imported from the tropics for the sake of the flesh alone. They are packed one upon another in casks of sea-water, which is changed daily. Both of these species have been taken on the Bristol coast; but such an occurrence can only be considered rare and Fig. 333. - leather-backed Please note that these i
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Keywords: ., bookauthorjo, bookcentury1800, bookdecade1860, booksubjectzoology
