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VOLCANOS, the Character of their Phenomena; their Share in the Structure and Composition of the Surface of the Globe; and their Relation to its Internal Forces: including a Descriptive Catalogue of Volcanos and Volcanic Formations. By G. Poulett Scrope, M.P., F.R.S., F.G.S. Second Edition, with Map and Illustrations. 8vo. 15s.

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A MANUAL OF CHEMISTRY, Descriptive and Theoretical. By William Odling, M.B., F.R.S., Secretary to the Chemical Society, and Professor of Practical Chemistry in Guy’s Hospital. Part I. 8vo. 9s.

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A DICTIONARY OF CHEMISTRY, founded on that of the late Dr. Ure. By Henry Watts, B.A., F.C.S., Editor of the Quarterly Journal of the Chemical Society. To be published in Monthly Parts, uniform with the New Edition of Dr. Ure’s Dictionary of Arts, Manufactures, and Mines, recently completed.

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HANDBOOK OF CHEMICAL ANALYSIS, adapted to the Unitary System of Notation: Based on the 4th Edition of Dr. H. Wills’ Anleitung zur chemischen Analyse. By F. T. Conington, M.A., F.C.S. Post 8vo. 7s. 6d.

CONINGTON’S TABLES OF QUALITATIVE ANALYSIS, to accompany in use his Handbook of Chemical Analysis. Post 8vo. 2s. 6d.

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