50 



Jos. Lionville Journal de Mathematique etc. Paris 1864. Mai. 



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A. D. Bache Discussion of the magnetic and meteorological 

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A. D. B a ch e Records and results of a magnetic Survey of Penn- 

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Address of John Andrew to the Legislature etc. Boston 1864. 



Bulletin of the Museum of comparative Zoologie. Cambridge, 

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Annual Report of the Trustées of the Museum etc. for 1863. 

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Zeitschrift des historischen Vereins für Niedersachsen. Hannover. 

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XXVII. Nachricht über den histor. Verein usw. Hannover 1864. 



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P. A. Hansen Darlegung der theoret. Berechnung der Störungen 

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Willi. Weber Elektrodynamische Massbestiminungen usw. Leip- 

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The Transactions of the Royal Irish Academy. Vol. XXIV. Science 

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