Catalogue of Conchifera. Bv M. Desha yes. 



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last of British Mollusca and Shells; with Synonyma. By 

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Parti. Acephala and Braehiopoda. 12mo. 1851. 3s. 6c?, 



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

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

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List of the Shells of Cuba, described bv M. D'Orbignv. l2mo. 

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List of the Mollusca and Shells collected aud described bv 

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

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IV. RADIATA. 



Catalogue of Mariue Polvzoa. Bv G. Busk, F.R.S. 



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List of British Radiata; with Svnonvma. Bv Dr. J. E. Gray, 

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

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Catalogue of the Recent Echiuida. 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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