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79. Dall, Wm. H. , Preliminary Report on the Mollusca. in: Reports on the Results of 



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80. , Notes on Alaska and the Vicinity of Bering Strait, in : American Journal of 



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81. - -, Intelligence in a Snail, in: The American Naturalist. December 1881. p. 976. [108] 



82. - -, American Work in the department of recent Mollusca during the year 1880. in .- 



American Naturalist. Vol. 15. p. 704 ff. 



83. - , Extract from a Report to C.P.Patterson, Supt. Coast and Geod. Survey, in: 



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84. , On the Genus Chiton. In: Proceed. U. States National-Museum. 1881. p. 279 



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85. Depontaillier , J. , Description de deux nouvelles especes fossiles. in: Journal de Con- 



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86. - , Diagnoses d'especes nouvelles du Pliocene des Alpes-Maritimes. Ibid. p. 178. 179. 



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90. , Amtliche Berichte iiber die Internationale Fischerei-Ausstellung zu Berlin 1880. 



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94. Dufour, Ed., Etude sur les fossiles des Sables eocenes de la Loire Inferieure. Premiere 



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95. Dupuy , 1'abbe D., De la recherche des Mollusques terrestres et d'eau douce et des 



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97. Esmarch , Birgithe, Bidrag til Kundskaben oinUdbredelsen of Norges Land- og Fersk- 



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98. , Die Pisidien des siidlichen Norwegens. in: Mai. Bl. V. p. 16. [47] 



99. Etheridge , R. , On a new species of Trigonia from the Purbeck Beds of the Vale of 



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100. , Descriptions of certain peculiar bodies which may be the Opercula of small Gastro- 

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101. , Notes on a collection of fossils from the Paleozoic rocks of New South Wales. 



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