A LIST OF SOURCES 



vol. ii., p. 280, London, 1775. The Doctrine of Phlogiston 

 Established, 1800. 



RAMSAY AND RAYLEIGH. See vol. v., p. 86. 



"On an Anomaly Encountered in Determining the 

 Density of Nitrogen Gas," in Proc. Roy. Soc., April, 1894. 

 A statement of the properties of argon was made by 

 the discoverers to the Royal Society, given in Phil. 

 Trans., clxxxvi., p. 187, January, 1895. 



SCHEELE, KARL WILLIAM. See vol. iv., p. 23. 



Om Brunsten, eller Magnesia, och dess Egenakaper, 

 Stockholm , 1774. This contain s his discovery of chlorine . 

 His book, Chemische Abhandlung von der Luft und dem 

 Feuer, was published in 1777. 



THOMPSON, BENJAMIN (Count Rumford). See vol. iii., p. 208. 

 Essays Political, Economical, and Philosophical (2 vols.), 

 vol. ii., pp. 470 - 493, London, T. Cadell, Jr., and W. 

 Davies, 1797. 

 THOMSON, WILLIAM (Lord Kelvin). See vol. iii., p. 276. 



On a Universal Tendency in Nature to the Dissipation of 

 Mechanical Energy, in Transactions of the Royal Society of 

 Edinburgh, 1852. 



WOLLASTON, WILLIAM HYDE. See vol. iv., p. 41. 



Phil. Trans, for 1814, vol. civ., p. i, contains a synoptic 

 scale of chemical equivalents. This paper was confirma- 

 tory of Dalton's theory. 



YOUNG, THOMAS. See vol. iii., p. 218. 



On the Colors of Thin Plates, I.e. in Phil. Trans, for 

 1802, pp. 35-37. 



V. MODERN BIOLOGICAL SCIENCES 



AVENBRUGGER, LEOPOLD. See vol. iv., p. 200. 



Inventum novum ex percussione thoracis humam 

 interni pectoris morbos dctcgendi, Vienna, 1761. 

 VOL. v. 17 257 



