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La nuova Notarisia. Red. de Toni, Padova. Giugno e Ottobre. 1890. 

 Memoires de la societe Linneenne du nord de la France ä Amiens. 



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Hierzu: Observations pluviometriques etc. de Juin 1887 ä Mai 1889. 

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Vol. XXXI. Prt. 1. 1890—1891. 4°. 

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1890. 8". 

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1890. 4". 

 Memoirs of the American Academy of arts et sciences at Boston, 



Centennial-Volume. Vol. XL Prt. VI. No. 7. 1888. 

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Ser. IV. T. XX. 1890. Hierzu: Indici generali dei 10 tom. della 



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 Monographs of the United States Geological SurveybyJ. W. 



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Vol. XV. The Potomac or Young Mesozoic Flora by Fontaine. 



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June 1888. Hierzu: List of the Linnean society. January 1890. 

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1887—1889. 



b* 



