xlvi. 



A Natural History. By Sir T, Pope Blount. 12mo. 



A Discourse concerning the Origin and Properties of Wind. By R. Bohun. 

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L'Optique des Couleurs. Par leL. R. P. Castel. 12mo. 



A List of the Genera of Birds. By Geo, K. Gray. 1st edition. 



Illustrations of Instinct, deduced from the habits of British Animals. By Jona- 

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Great Artists and Great Anatomists. By R. Knox, M. D. 8vo. 



Histoire des progres de la Geologie de 1834 a 1845. Par le Yicompte d'Archiac. 

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Insecta Fennica : enumerata a C. R. Shalberg. 2 vols. 8vo. 



Insecta Caffraria annis 1838-1845, a J. A. Wahlberg collecta. Descripsit C. 

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Monographia Cassididarum. Auctore C. H. Boheman. Tome 1. 8vo. 



Monographie des Anthicus et genres voisins. Par M. F. de la Ferte-Senee- 

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Suir origine delle Montague e deiVulcane studio sperimentale di Paolo Gorini. 

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Enumeration des Carabiques et Hodrocanthares du Caucase. Parle Baron de 

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Lectures on the results of the Great Exhibition, in 12 parts. 8vo. 



H. R. Schaum Analecta Entomologica. 1. Symbolae ad Monographiam Scyd- 

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Annales des Sciences Geologiques (parts 1-15.) 8vo. Par M. Riviere. 



Gaa von Sachsen Einleitung in die Flora von Sachsen von Dr. u. Prof. L. 

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Catalogue of British Marine Recent Shells. 



Memoria sopra alcune Conchiglie fossile rinvenute nella Contrada dAlta villa 

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Synoptical table of the British Ferns. By Edward Newman. 



Naturgeschichte der Infusionsthierchen. Von Dr. T. L. G. Gravenhorst. 



Abbildung aller bis jetzt bekannten europiiischen zweifliigeligen Insekten. 

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A Catalogue of British Lepidoptera, compiled chiefly from Stephens' British 

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Ueber einen fossilen Farrenstamm Caulopteris Freislebeni aus dem Zwickauer 

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Description of a new Species of Helix belonging to the Carocollae of La- 

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Ueber die Ziege von Thibet. Von H. M. Freudberg. 



Ornithologische Hefte oder Sammlunggetreuer nach derNaturcopertea Vogel. 

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List of the Land and Fresh water Shells found in the environs of London. 

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Alphabet of Insects. By James Rennie. 12mo. 



Die Wartung und Pflege der Singvogel. 



Systematische Uebersichte der Vogel Pommerus, &c. Von Eugen F. von 

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November 9th. 



Memoires de la Societe de Physique et d'Hist. Nat. de Geneve. Tome 13, 

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Message of the President of the United States, communicating the Report of 

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Memoir on the European Colonization of America in ante-historic times. 

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Bericht iiber die Mittheilungen von Freunden der Naturwissenschaften in 

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