408 ANNUAL OF SCIENTIFIC DISCOVERY. 



Quartz, elliptical, double refraction of. Jamin. C. R., Feb. 4. 



Radiation of heat by air. Henry. Proc. Am. Phil. See. 



Reflection at the surface of transparent bodies. Jamin. Jour, de C. et de P., July. 

 " total. Jamin. C. R., July 1. Jour, de C. et de P., Nov. 



Refraction, determination of the indices of, of the seven rays of Fraunhofer in a series 

 of glasses. Dutiron. Jour, de C. et de P., Feb. 



Refractive indices of several substances. Powell. Ath., Aug. 10. 



Solids, laws of the elasticity of. Rankine. Ath., Aug. 



Steam, remarkable property of, connected with the theory of the steam-engine. Thom- 

 son. Brewdter, Nov. 



Sun, computation of the daily intensity of, and secular changes of heat. Meech. kill., 



Telegraphic operations of the Coast Survey. Walker. As. Jour., No. 7. _ 

 Thermometers, cause of the change which takes place in the standard point of. Adie. 

 Jameson, July. 



Tides, researches on. Whewell. Phil. Trans., Part 1. 

 Water, boiling of, at different elevations. Wisse. Jour, de C. et de P., Jan. 



CHEMISTRY. 



Acids, thionic. Fordas and Gelis. Chem., June. 



Acids, of the series qn HH Q4, separation of. Liebig. Chem., May. 



Alkalies, organic, action of nitric acid on. Anderson. Chem., Oct. 



Alkalinity of the serum of the blood. Chem., Sept. 



Ammonia, new combinations of, with the ferrocyanides. Reynoso. Chem. Gaz., May 15. 



Anisol. Cahours. Jour, de C. et de P., Dec. 



Antimony, separation of, from arsenic. Ullgren. Chem., March. 



Apiine. Von Planta. Chem.. Nov. 



Aspartic acid. Dessaignes. C. R., March 18. 



Atomic volumes of bodies. Avogadro. Chem., Aug. 

 " weights, table of. Dana. Sill., March. 



Bases, action of, on certain salts. Reynoso. C. R., July 15. Jour, of Arts, Oct. 



" organic volatile. Hofmann. Phil. Trans., Part 1. Jour, de C. et de P., July, 

 Sept., Oct. 



Biogen liquid. Girard. Sill., May. 



Bitter almonds, new combination of the essence of. Laurent and Gerhardt. C. R., 

 April 8. 



Blood, analysis of. C. R., May 27. Chem., Sept. 



Boracic acid, and its quantitative determination. Rose. Chem. Gaz., Oct. 1. 



Borate, native. Ulex. Chem., May. 



Boron, nitroguret of. Wbhler. Chem., July. 



Caffeine, chemically, pharmaceutically, and therapeutically considered. Jour, de C. et 

 de P., Aug. Chem., Sept. 



Carbon, action of, on metallic solutions. Jour, de Chim. Med., Sept. 

 " oxide of, deodorizing effects of. Sr.hdnhein. Pgg., p. 521. 

 '' oxide of, new reagent for. Jour, de Chim. Med., July. 



Carbonic oxide, properties of. Lebanc. C. R., April 22. Chem. Gaz., July 1. 



Chemistry of a fire, a candle, a lamp, and ashes. Faraday. Min. Jour.. May 4, 11, 19, 

 June 8. 



Chlorate of potash, improved process for making. Chem. Gaz., July 1. 



Chlorine, action of, on metallic chlorides, in the presence of alkaline chlorides. Chem. 

 Gaz., July 1. 



Chrome, oxide of, gresn and gray color from, for calico printing. Kurrer. Jour, of 

 Arts, Aug. 



Chromium, researches on. Lefort. C. R., April 8. _ Chem., June. 



Colors, method of fixing on tissues. Broquette. Chem. Gaz., Oct. 1. 



Combination, new, of sulphur, chlorine, and oxysen. Millon. Chem., July. 



Composition of corn. Peligot. Jour, de C. et de P., May. Chem., July. 



Connection between the atomic weights and physical and chemical properties of barium, 

 strontium, calcium, magnesium. &c. Horsford. Sill.. March. 



Copper ores, treatment of. Mitchell. Min. Jour.. Sept. 14. 

 " test for sugar. Lassaigne. Jour, de Chim. Med.. July. 



Cyanogen, combination of, with sulphuretted hydrogen. Laurent. C. R., May 20. 



Decomposition of organic substances by electricity. Kolbe. Chem., Jan. 



Drugs, cold water as~a solvent of the active principles of. Battley. Chem., Oct. 



Dulcose and bromobenzoic and chrysatnmic acid. Laurent. C. R., March 25. 



Eggs of the carp, chemical investigation of. Gobley. Chem., Aug. 



Estimation of oxalic acid, and its separation from phosphoric acid. Rose. Chem. Gaz., 

 Nov. 1. 



