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Pelseneer, Paul. Halolimnic Faunas and tlie Tanganyika Problem. 

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Pilsbry, H. A. (I). Origin of the Tropical Forms of Land Molluscan 

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— (3). New and Little-known Whelks from Northern Japan 

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— (3). On the soft anatomy of Ejnphragmo'phora {Micrarionta) 

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— (4). New Clausilndae of the Japanese Empire. XI. — In: 

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— (5). Manual of Conchology, structural and systematic. Second 

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— (6). Descriptions of new Mexican Land- Shells. — In: Nau- 

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— (1). Origin of the tropical forms of the Land-Molluscan Fauna 

 of Southern Florida (Abstract). — In: Pr. Acad. Philadelphia vol. 29 

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— (8). A new species of Fluminicola. — In : Nautilus vol. 21 

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— (9). On Japanese Species of Corbicula. — In: Annot. Zool. 

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Pilsbry, H. A. u. Jas. H. Ferriss. Notes on some new Mexican 

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Pilsbry, H. A. u. Hinkley, A. A. New Land- and freshwater shells 

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Pilsbry, H. A. u. E. G. Yauatta. Description of a new Bifidaria 

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Pousonby, J. H. (I). Description of two new species of Helicoid 

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— (3). Vide Melvill u. Ponsonby. 



Pollonera, Carlo. Spedizione al Ruwenzori di S. A. R. Luigi 

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Poole, Walter G. Limnaea glahra and Clausilia rolphii from Hert- 

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Prestou, H. B. (I). Description of a new subgenus and species 

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— {%). Descriptions of four new species of Melania from New Ire- 

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— (3). Description of a new Petraeus from Palestine (P. sikesi). 

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