List of British Mollusca and Shells; with Synonyma. By 

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Catalogue of Pulmonata. By Dr. Louis Pfeiffer and Dr. 

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Catalogue of Auriculidac, &c. By Dr. J. E. Gray, F.R.S. 12mo. 

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List of the Shells of the Canaries, described by M. D'Orbigny. 

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List of the Shells of Cuba, described by M. D'Orbigny. 12mo. 

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List of the Mollusca and Shells collected and described by 

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Catalogue of the Collection of Mazatlan Shells. By P. P. Car- 

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List of Mollusca. By Dr. J. E. Gray, F.R.S. 

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Nomenclature of Mollusca. By Dr. W. Baird, F.L.S. &c. 

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IV. RADIATA. 



Catalogue of Marine Polyzoa, By G. Busk, F.R.S. 



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List of British Radiata ; with Synonyma. By Dr. J. E. Gray, 

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List of British Sponges ; with Synonyma. Bv Dr. J. E. Gray, 

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Catalogue of the Recent Echinida. By Dr. J. E. Gray, F.R.S. 

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V. BRITISH ZOOLOGY. 



List of the British Animals ; with Synonyma and references to 

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