SCIENCE AND PHILOSOPHY. 9 



Analytical Class-Book of Botany, desierned for Academies and 

 Private Students. In Two Pares. Part I. Eloments of Vefreiabk- Structure 

 anil Physiolofry. By Feaniki H. Green. Illustrated. Part II. Syoteniatic 

 Botany : Iilustnited bv a Compendious Fl >ra of the Morthern Statea. By Joseph 

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First Book of Botany. Designed to cultivate the Observing Power of Chil- 

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Second Book of Botany. By Euza A. Tocmans. 12mo. Cloth, $1.30. 



Descriptive Botany. A Practical Guide to the Classification of Plants, with a 

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Physiolog'ical Botany. By Robert Bentley. F. L. S., Profe.'spor of Botany in 

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WORKS ON ELECTRICITY. 



Electricity and Magnetism. By Fleeming Jenkin-. l2mo. Cloth, $l.ro. 



Tlie Electric Li^ht : Its History, Production, and Applications. By Km Ai,- 

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 Edited, with Notes and Additions, by C. M. Lungken. With 250 Illustrations. 

 8vo. c;loth, *5.00. 



A Practical Treatise on Electric Lighting:. Bv J. E. H. Gordon, Mem- 

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 ous Illustrations in the Text. 8vo. Cloth, $4.50. 



Physical Treatise on Electricity and Magnetism. Bv J. E. H. Gor- 

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 1S8I; Man^iger of the Electric Department of the Telegraph Construction and 

 Maintenanse Coinoany. Second edition, revised, rearranged, and enlarged. With 

 about 312 Full-page and other Illustrations. 2 vols., 8vo. Cloth, $10.00. 



The Modern Applications of Electricity. Bv E. Hospitalier. New 



edition, revised, with many Additions. Translated by Jui,iu8 Maier, Ph.D. 



Vol. I. Et.eotrio Generators, Electric Light. 



Vol. ir. TELRpnoNE: Various Applications, Electrical Transmission of Energy. 

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Telesrraphv. Bv W. II. Peeeob, C. E., and J. Siyewright, M. A. Illustrated. 

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Electricity and the Electric Teleg-raph. By George B. Prescott. 

 Si.'cth edition, revised and enlarged. With C70 Illustrations. 2 vols., Svo. Cloth, 

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Bell's Electric Speaking TeleDhone: Its Invention. Construction, Applica- 

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Dynamo Electricity: Its Generation, Application, Transmission, Storage, and 

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A Popular Exposition of Electric'ty, with Sketches of some of Its Dis- 

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CLIMATE, ETC. 



Climate and Time in their Geoloei?al Relations: A Theorv of Secular 

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