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Report and Proceedings
Published online by Cambridge University Press: 01 May 2009
Abstract
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- Copyright © Cambridge University Press 1884
References
page 572 note 1 N. conghbata, a species of a group near to that of mutabilis, has occurred in the Red Crag; but, so far as the author is aware, neither that shell, nor any of the group to which it belongs, has occurred in any other formation of Northern Europe.