518 INDEX. 



Page 

 Architecture, lectures on, by Henry 239,334 



Astronomical discoveries, the announcement of, by telegraph 300 



Astronomy, lectures on, by Henry 239,333 



Aurora polaris observed to be related to terrestrial magnetism 259, 445 



Bache, A. Dallas, active interest of, in Henry's discovery of the "extra cur- 

 rent" 241, 394 



Bache, A. Dallas, eulogy of, by Henry 330 



Bache, A. Dallas, observations by, with Henry, on meteors for determining 



longitude 271 



Bache, A. Dallas, urgent solicitation of Henry by, to accept the Smithsonian 



directorship 331,454 



Baird, Prof. Spencer F., one of a committee appointed by the Regents to arrange 



the funeral ceremonies of Joseph Henry 10,11 



Baird, Prof. Spencer F., one of a committee appointed by the Regents to prepare 



a Memorial Volume 32 



Barlow, Peter, experiments by, in electro-magnetic telegraphy in 1825 58, 83, 223, 485 



Barnes, Surgeon-General Joseph K., a pall-bearer at the funeral of Joseph 



Henry 11 



Barometer erected by Henry, containing sulphuric acid 329 



Battery, galvanic, first devised by Volta, in 1800 79, 213 



Battery, galvanic, modified for "quantity" by Hare, in 1816 82,239,376 



Battery, galvanic, modified for "quantity" and "intensity" convertibly by 



Henry, in 1835 239 



Beck, Dr. T. Romeyn, principal of the Albany Academy, the teacher and friend 



of Henry 183, 208, 332 



Bibliography of science, Henry's plan for digesting 295 



Biographical Memorial of Joseph Henry, by Prof. Asa Gray 53 



Biographical Memoir of Joseph Henry, by Prof. Simon Newcomb 441 



Birth of Joseph Henry, the date of_ 54,177,442 



Birth-place of Joseph Henry, Albany, N. Y., the 7,54,177,427,442 



" Bobbin " coil for the electro-magnet, first devised by Henry, in 1829 217 



" Bobbin " coil for the electro-magnet, introduced into France in 1832, by Pouillet- 226 



Bradford, Hon. A. W. testimony of, to Henry's early magnetic telegraph 380 



Brewster, Sir David, appreciation of Henry by 61, 169,270 



British Association, favorable reception by, of Henry's proposal of a scientific 



index 296 



British Association, meeting of, at Liverpool, attended by Henry 245 



Bronze statue of Henry, authorized by Congress 1 514 



Building-stone, experiments on, by Henry 326 



Cameron, Prof. Henry C. Reminiscences of Joseph Henry by 166 



Capillarity between liquid and solid metals observed 263,495 



Catalogue of scientific papers, suggested by Henry, and published by the Royal 



Society of London 297 



Chairmanship of the Light-House Board conferred on Henry in 1871 69, 133, 314, 436 



Chancellor of the Smithsonian Institution, announcement by 7 



Chancellor of the Smithsonian Institution, remarks by, on the death of Joseph 



Henry 9 



Character of Henry's mind 73, 191, 361, 469 



Chemical professorship in the University of Pennsylvania offered to Henry 193,278 



Chemical skill of Henry 332, 375 



Chemistry, chair of, at Princeton, temporarily filled by Henry 238 



Chemistry, early experiments of Henry in 130,208,270 



Chief-Justice M. R. Waite, official announcement by 7 



Chief-Justice M. R. Waite, remarks by, on the death of Joseph Henry 9 



Childs, George W., a pall-bearer at the funeral of Joseph Henry 11 



Christian character of Joseph Henry . 16, 21, 33, 73, 114, 134, 147, 200 



