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I believe this curious floating shell will throw some light on the true nature and habits of several palaeozoic types. It was taken in the towing net, gregarious, in the sea off Cape Howe, the south-east corner of Australia. Tab. 3 fig. 9. a, b. Tab. 2. Helix brumeriensis. Helix franklandiensis. Helix inconspicua. Helix iuloides. Helix divisa. Helix yulei. Helix dunkiensis. Helix louisiadensis.
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