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Murex pomum.
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Oyster drill (Urosalpinx cinerea) boring the shell of a scallop. Five drills were found on the specimen, but one rolled off when the photograph was taken. The drill bores a fine hole through the shell by means of a ribbon-like tongue lined with saw-like teeth, and then sucks out the contents.
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Section of the stomach of Melongena, showing the gastric plates (g.p, g.p.) for the trituration of food.
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Purpura lapillus (Linnaeus).
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Nassa obsoleta (the little black winkle of the tide flats) devouring a scallop. These little scavengers swarm over the scallop. Occasionally one is active enough to get between the valves, forming a wedge which permits the entrance of others, which quickly consume the scallop. Owing to the alertness of the scallop and its different habitat (Nassa usually being found on the tide flats) little damage is done.
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Borers, or 'Snails';(Purpura Haemostoma). Their Egg Cases, and Oyster Spat Drilled By Them, Bay Tambour, Louisiana
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Oliva textilina showing how the front part of the food (f) is developed into a sort of fender, the propordium (pr); e, e, eyes un.ap, front appendage of mantle; m, ap, hinder appendage of mantle folded into the suture when the animal is at rest; si, siphon; t, t, tentacles.
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Conus.
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Oyster drill (Urosalpinx cinerea) boring the shell of a scallop. Five drills were found on the specimen, but one rolled off when the photograph was taken. The drill bores a fine hole through the shell by means of a ribbon-like tongue lined with saw-like t.
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Portion of the radula of Melongena vespertilio Lam., Ceylon.
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Purpura lapillus.
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Murex erlinacerus (Linnaeux).
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Eburna spirata Lam., E Indiea.
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Conus nobilis (Linn.).
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Conus geographius (Linn.).
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Murex tennispina (Lamarck).
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Buccinum senticosum (Linnaeus).
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Purpura lapillus, banded variety.
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Murex tenuispina L., Ceylon.
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Tritia trivitata.
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Oliva irisans (Lamarck).
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Conus testile (Linn).
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Murex tenuispina.
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Buccinum vandatum: si, siphon.