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Correspondenzblatt des Naturforscher- Vereins zu Riga, XXX. 

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Bulletin de l'Academie imper. des sciences de St. Petersbourg, 

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Bulletin du Comite geologique de St. Petersbourg, VI., 6. — 10. 

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Supplement au T. VI., des Bulletins du Comite geologique de 

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Memoires du Comite geologique de St. Petersbourg, IL, 4. — 5.; 

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Atti della R. Accademia dei Lincei, Rendiconti, III., 5. 1887. 



Bolletino delle pubblicazioni Italiane, 45. — 47. Firenze, 1887. 



Bolletiuo delle opere moderne straniere, II., 2. — 3. Roma, 1887. 



Proceedings of the Zoological Society of London, 1887, part. III. 



Journal of Conchology, V., 8. Leeds, 1887. 



Proceedings of the Canadian Institute, V., 1. Toronto, 1887. 



Annual Report of the Museum of Comparative Zoology. Cam- 

 bridge, 1886—87. 



Proceedings of the Academy of Natural Sciences of Phila- 

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Proceedings of the Davenport Academy of Nat. Sciences, IV, 

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Papers of the New-Orleans Academy of Sciences, 1886 — 87. 



Bulletin of the California Academy of Sciences, IL, 7. 1887. 



Actas de la Academia nacional de Ciencias en Cordoba, V., 

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Memorias de la Sociedad cientitica „Antonio Alzate'', L, 4. 

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GoTTSCHK, C. , Die Molluskenfauna des Holsteiner Gesteins. 

 Hamburg, 1887. 



Ernst , A. , Ethnographische Mittheilungen aus Venezuela. 

 (Verhandl. d. Berl. anthropolog. Gesellsch., April 1887.) 



Druck von J. F. Starcke in Berlin. 



