NATURE {March 1 1, 1880 



NEW SCIENTIFIC BOOKS 



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The Mechanical Theory of Heat. 



By R. Clausius. Translated by Walter R. Browne, M.A., late Fellow of Trinity College, Cambridge. i2mo, $2.60. 



A Hand-book of Double Stan, 



With a Catalogue of Twelve Hundred Double Stars and Extensive Lists of Measures. With additional Notes bring- 

 ing the Measures up to 1879. For the use of amateurs. By Edw. Crosslev, F.R.A.S., Joseph Gledhill, F.R.A.S., 

 and James M. Wilson, M.A., F.R.A.S. With Illustrations. 8vo, $6. 



Studies on Fermentation. 



The Diseases of Beer. Their Causes and the Means of Preventing them. By L. Pasteur. A Translation, with Notes, 

 Index, and original Illustrations. By Frank Faulkner and D. Constable Robb, B.A. 8vo, $6. 



Blowpipe Analysis. 



By J. Landauer. Authorized English Edition, by James Taylor and William E. Kay. i6mo, $1.50. 



Units and Physical Constants. 



By J. D. Everett, M.A., D.C.L., F.R.S.. etc., Professor of Natural Philosophy in Queen's College, Belfast. i6mo $1.10. 

 An Introduction to the Theory of Eleetriclt) . 



With numerous Examples. By Linnaeus Cumming, MA. Second Edition, with Corrections and Additions. i2mo 



^2.25. 



Pharmacographla. 



A History of the Principal Drugs of Vegetable Origin met with in Great Britain and British India. By Friedrich A. 

 Fluckiger and Daniel Hanbury. F.R.S. Second Edition. 8vo, half bound, $5. 



The Metaphysics of the School. 



By Thomas Harper, S.J. 8vo, $5. 



The Electrical Researches of the Hon. Henry Cavendish, F.R.S. 



Written between 1771 and 1781. Edited from the original MS. by J. Clark Maxwell, F.R.S. 8vo, $5. 



Hydrotlj nnmics : 



A Treatise on the Mathematical Theory of the Motion of Fluids. By Horace Lamb, M.A., Professor 01 Maternities ia 

 the University of Adelaide. 8vo, $3. 



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