PHYSICAL SCIENCE. 17 



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Smith. HISTORIA FILICUM : An Exposition of the Nature, 

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South Kensington Science Lectures. Vol. I. Con- 

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Stewart (B.) Works by BALFOUR STEWART, F.R.S. , Professor 



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Stewart and Tait. THE UNSEEN UNIVERSE: or, 



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/ Tait. LECTURES ON SOME RECENT ADVANCES IN 

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