INDEX 



TO ARTICLES IN SCIENTIFIC JOURNALS AND REPORTS. 



Abbreviations used in the following Index, 



Acad. of Nat. Sci. stands for Journal of the Academy of Natural Sciences, of Phila- 

 delphia. 



Am. Ass., for Proceedings of the American Association for the Advancement of Science. 



Am. Acad., for Memoirs of the American Academy of Arts and Sciences, of Boston. 



Ann. Lyceum Nat. Hist., for Annals of the Lyceum of Natural History, of New York. 



Ann. des Sci. Nat., for Annales des Sciences Naturelles. Paris. 



Ann. der Chem. und Pharm., for Annalen derChemie und Pharmacie. 



Astron. Jour., for Astronomical Journal. Cambridge. 



Atk., for London Athenaeum. 



Brewster, for London, Edinburgh, and Dublin Philosophical Magazine. 



Brit. Jlss., for the British Association for the Promotion of Science. 



Bui. de la Soc. a* 1 En., for Bulletin de la Societ6 d'Eiicouragement. 



Chem. Gaz., for Chemical Gazette. London. 



Civil Eng. and Arch. Jour., for Civil Engineers' and Architects' Journal. London. 



C. R., for Comptes Rendus of the French Academy. 



Jameson, for Jameson's New Philosophical Magazine. 



Jour, of F. /., for Journal of the Franklin Institute of Philadelphia. 



Jour, de C. et de P., for Journal de Chimie et de Physique. Paris. 



Jour, des Sav., for Journal des Savans. Paris. 



Jour, de Pharm., for Journal de Pharmacie. Paris. 



Mag: of Nat. Hist., for Annals and Magazine of Natural History. London. 



Jlfin. Jour., for Mining Journal. London. 



Nat. Hist., for Proceedings of the Boston Natural History Society. 



Philos. Soc. Proc., for Proceedings of the American Philosophical Society, of Philadel- 

 phia. 



Phil. Trans., for Philosophical Transactions. London. 



Fogg., for Poggendorff's Annalen der Chemie. 



Poly. Jour., for Dingler's Polytechnische Journal. 



Proc. Am. Acad., for Proceedings of the American Academy of Arts and Sciences, of 

 Boston. 



Sill., for Silliman's Journal. New Haven. 



Trav. de Cfiim., for Travaux de Chimie. Paris. 



MECHANICS, AND USEFUL ARTS. 



Air-pump, history of in England. Jameson, April. 



Anthracite iron, manufacture of, in the U. S. Jour, of F. I., June. 



Balancing of the disturbance of locomotives in motion. Lechatelier. Eisenbahn Zei- 

 tung, No. 22. 



Bread-making. Bui. de la Soc. d'En., Feb. 



Carbonization of wood by steam, with a description of an apparatus. Violette. Jour, of 

 F. L, April. 



Clock, Wheatstone's polar, perfected by Soleil. C. R., April 16. 



Copper, process for smelting. Rivot and Phillips. Jour, of F. I., Jan. 



Deflection and strain of railway-girders. Jour, of F. T., Feb. and March. 



Electro-dynamic forces. Lovering. Am. Ass., p. 278. 



Explosion of the engine Taghconic, report on. Jour, of F. I., May. 



Gas, improvement in the manufacture of. Chem. Gaz. 167. 



Gunpowder, use of, under water. Poly. Jour., No. 630. 



High-pressure steam-engines. Poly. Jour., No. 625-627, 631-634, 639, 642. 



