SCIENCE. -AD VER TI8EMENTS. 



V 



The Medical Department 



... of the ... 



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This Medical Schiool admits as candidates for 

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Certain other requirements in science and in 

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The classes are small, the laboratories are 

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Special courses in laboratory and clinical sub- 

 jects are offered to limited numbers of graduates 

 in medicine at different times during the session. 



For further information apply to the Dean of 

 the Johns Hopkins Medical School, Washington 

 and Monument Sts., Baltimore, Md. 



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The Meeting of the American Historical Association at 

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The Treatment of History. Goi.nwiN Smith. 

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Burton Adams. 

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TABLE OF CONTENTS. 



Infra-red Absorption Spectra. I. Gases. 



W. \V. ColiI.ENTZ 

 The Eliuiination of Gas Action in Kxperinients on 

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The Torqne between (lie Two Coils of an Absolnte 

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On the Theory of Klectrolytic Rectifier. S. R. CoOK 



The Conduction Losses froni Carbon Filaments when 

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\V. L. IIailtman 

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