. Cassell's natural history. Animals; Animal behavior. NATUSAL es small and compressed. The concealed, the hinge teeth are The sliell in the genus Lucina is white, the iimbones of the va margins of the shell are smooth or finely crenulated ; the ligament lateral. The foot is often twice as large as the animal. The Lucitice occur in tropical and temperate seas, on both sandy and muddy bottoms, from low water to near 200 fathoms. In Corbis the valves of the shell are elegantly sculptured concentrically, and the margins finely toothed within. Five species occur in the Indian and Pacific
. Cassell's natural history. Animals; Animal behavior. NATUSAL es small and compressed. The concealed, the hinge teeth are The sliell in the genus Lucina is white, the iimbones of the va margins of the shell are smooth or finely crenulated ; the ligament lateral. The foot is often twice as large as the animal. The Lucitice occur in tropical and temperate seas, on both sandy and muddy bottoms, from low water to near 200 fathoms. In Corbis the valves of the shell are elegantly sculptured concentrically, and the margins finely toothed within. Five species occur in the Indian and Pacific Oceans. In Dipludonta the shell is very like Litcina, but with a rather long double ligament, and two hinge teeth. Their distribution :^^^^v^. 4, CYTHEREA CHIONE. is world-wide. Ungnlina has a more oblong form than Diplodonta, with a short ligament and thick epidermis. It burrows in coral, and is found in Senegal and the Philippines. The minute orbicular shell of the genus KelUa is very thin. The animal creeps freely, and itself by a byssus at pleasure. One species (A', rubra) is found in crevices of rooks at high water ; others range to a depth of 200 fathoms in Norway, New Zealand, and California. Genus Montacida, another small form, walks freely on a large and broad foot, and attaches itself to the spines of the Purple-heart Urchin; others burrow into the valves of dead shells. Lepton has a tloick tapering foot, forming a creeping disc. The mantle extends beyond the shell, bearing a fringe of filaments. Genus Gahommu has a thick fibrous epidermis. The foot is long and narrow, with a flat sole. It spins a byssus, which it at will, and creeps about like a snail, spreading out its valves nearly 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 Duncan, P. Martin (Peter Martin), 1821-1891; Metcalf
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Keywords: ., bookcentury1800, bookdecade1890, booksubjecta, booksubjectanimals
