257 



Kunsten te Amsterdam. Twaalfden Deels eerste Stuk. Amster- 

 dam, 1846. 4to. — From the Royal Institvte, Amsterdam. 



Proceedings of the Boston Society of Natural History. March 4th 

 and 18th, 1846. 8vo. — From the Society. 



Proceedings o^ the Academy of Natural Sciences of Philadelphia. 

 Vol. III. Nos. 1 and 2. Title and Index to Vol. II. 8vo.— From 

 the Academy. 



The African Repository and Colonial Journal. Vol. XXII. June, 



1846. No. 6. 8vo. — From the American Colonization So- 

 ciety. 



Journal of the Franklin Institute of the State of Pennsylvania. Vol. 



XI. Nos. 5 and 6. 8vo. — Fro7n Dr. Patterson. 

 The Annals and Magazine of Natural History, including Zoology, 



Botany, and Geology. Vol. XVI. Nos. 106, 107, and 108. 



Vol. XVII. Nos. 109, 110, and 111. 8\o.—Fro7n Sir Wm. 



Jar dine, Bart. 

 The Electrical Magazine. Conducted by Mr. Charles V. Walker. 



Vol. II. No. 12. April, 1846. Qyo.—From the Editor. 

 Tijdschrift voor Natuurlijke Geschiedenis en Physiologic. Uitge- 



geven door J. Van der Floeven, M.D., en W. H. de Vriese, M.D. 



Twaalfde Deel, 3e en 4e Stuk. Leiden, 1845. 8vo. — From the 



Editors, 

 Waarnemingen en Proeven over de Onlangs Geheerscht Hebbende 



Ziekte der Aardappelen, door G. Vrolik. — From W. Vrolik. 

 Verslag der Eerste Klasse van het Koninklijk-Nederlandsche Insti- 



tuut van Wetenschappen, Letterkunde en Schoone Kunsten, over 



de heerschende ziekte der Aardappelen. — From the same. 

 Trattato del Magnetismo e della Elettricita dell' Ab. Francesco Zan- 



tedeschi. Parte II. Venezia, 1845. 8vo. — From the Author. 

 Descrizione di una Machina a disco per la doppia Elettricita e delle 



esperienze esequite con essa comparativamente a quelle dell' elet- 



tromotore Voltiano del Prof. Ab. Francesco Zantedeschi. Vene- 

 zia, 1845. — From the same. 

 Geological Survey of Canada. Report of Progress for the Year 



1844. Montreal, 1846. 8vo. — From W.E. Logan, Provincial 



Geologist. 

 .Tahrbiicher der Literatur. Nos. 109 to 112, inclusive. January to 



December, 1845. 8vo. — From Baron Von Hammer Purgstall. 

 Twenty-ninth Congress, First Session. House of Representatives. 



Document, No. 140. Report of the Commissioners of Patents 



for the Year 1845. 8vo. — From the Hon. Joseph R. Ingersoll. 



VOL. IV. — 2 L 



