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COI ^CMOL OOY^ 



/^ B. SOWERBY, in constant receipt of interesting SHELLS from all parts 

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PRESENT SPECIALITY.— A wonderful stock of PTEROPODA, from 

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BOOKS BY G. B. SOWERBY, F.L.S. :— 



'■ Thesaurus Conchyliorit/ii,' in parts or monographs. 



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