234 SCHOOL OF MINES LIBRARY. 



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One vol. a year. Leipsig. 



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Quarto Series, 1857 to 1874 ; 1875, January to June. 



POLYTECHNISCIIES Journal. 



Edited by E. M. DINGLEB. Three vols. a year. Augsburg, 1820 to date. 

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Index Volumes, (subjects.) Yol. 1. Embracing Vols. I. to 

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PROCEEDINGS of the Academy of Natural Sciences of Philadelphia. 

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PROCEEDINGS of the American Association for the Advancement of 



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First Meeting at Philadelphia, 1848. Philadelphia, 1849. 



Second Cambridge, 1849. Jioston, 1850. 



Third Charleston, 1850. Charleston, 1850. 



Fourth New-Haven, 1850. Washington, 1851. 



Fifth Cincinnati, 1851. &quot; 1851. 



Sixth Albany, 1851. &quot; 1852. 



Seventh Cleveland, 1853. Cambridge, 1856. 



Eighteenth &quot; Salem, 1869. &quot; 1870. 



Twentieth &quot; Indianapolis, 1871. &quot; 1871. 



Twenty-first &quot; Dubuque, 1872. &quot;. 1872. 



Twenty-third&quot; Hartford, 1874. Salem, 1875. 



THE QUARTERLY Journal of the Chemical Society of London. 



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Vol. XIII., 1875, January to June. 



General Index (subjects and authors) to the First Twenty- 

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REPORT of the National Academy of Sciences for the year 1863. 



8vo. Washington, 1874. 



