INDEX. 



481 



Foreign Honorary Members de- 



CGHSGcl * "~~ 



Thomas Carlyle, 427, 459. 

 Michel Chasles, 427. 

 W. 11. Miller, 413, 427, 460. 

 C. A. F. Peters, 409, 427, 468. 

 Furfurol, 156, 411. 



G. 



Gentiostemon Coulteri, 104. 



Schaffneri, 104. 

 Gilia depressa, 106. 

 Glass and Sand, thermal conduc- 

 tivity of, 47. 

 Greenella Arizonica, 82. 

 Group "b," on the, in the Solar 



Spectrum, 398. 

 Gundlachia Lemmoni, 101. 



Chfenactis suffrutescens, 100. 



Domingensis, 100. 



Eupatorium mygindsefolium, 

 101. 



Fleischmannia Schaffneri, 101. 



Laphamia Lemmoni, 101. 



Philactis lougipes, 102. 



H. 



Heat, On the Mechanical Equiva- 

 lent of, 38. 



J. 



Jupiter, Observations on, 299. 



M. 



Magnetic Waves, Propagation of, 



in Soft Iron, 322, 423. 

 Metabrombenzyl Compounds, 256. 

 Mucobromic Acid, 168. 



With oxidizing Agents, 184. 

 Mucochloric Acid, 204. 



N. 



Nickel, Fleitman's magnetic mo- 

 ment of, 46, 411. 



O. 



Officers elected, 412. 



Orthobrombenzylbromide, the syn- 

 thesis of Anthracene and 

 Phenanthrene from, 63. 



Parabrombenzyl Compounds, 252. 



Pentstemon Cusikii, 106. 



Phosphorograph, on the, of a Solar 

 Spectrum, and on the lines 

 in its Infra-Ked Region, 223. 



Phospho-Tungstates, 109. 



Proceedings, 407. 



Pyroxauthin, 161. 



R. 



Resignation of Charles Francis 



Adams, as President, 409. 

 Reverchouia Arenaria, 107. 

 Rumford Committee, 412. 

 Rumford Committee, Report of the, 

 407, 410. 

 Appropriations, 408, 411, 423. 

 Premium, award of gold and 



silver medal, 408. 

 Premiums, List of, 416. 

 Rumford, Remarks on, 417. 



S. 



Sedum Meehani, 105. 

 Shakespeare, Emendation of, by 



AVilliam Everett, 421. 

 Solidago Bigelo\'ii, 80. 

 Chapmanni, 80. 

 spathulata, 80. 

 spectabilis, 80. 

 Wrightii, 80. 

 Sound, Eifect of the tension of 



membranes on, 56. 

 Spruce Beams, Experiments on the 

 Strength and Stiffness of, 

 285, 423. 

 Stars, Fixed, Dimensions of the, 

 with special reference to 

 Binaries and Variables of 

 the Algol type, 1, 411. 

 Binary, 5. 

 Variable, 17. 



