INDEX. 521 



Page 



Galvanic battery devised by Volta in 1800 79,213 



Galvanic battery modified by Dr. Hare in 1816, as a " calorimeter " 82,239,376 



Galvanic battery modified by Henry in 1835, for either " quantity" or " inten- 

 sity" currents 239 



Garfleld, Gen. James A., of the House of Representatives, a Regent, Address 



by, at the Memorial Services 91 



Garfield, Gen. James A., of the House of Representatives, a" Regent, resolutions 



offered by, at meeting of the Regents 30 



Garfield, Gen. James A., of the House of Representatives, a Regent, selected by 



the Regents to deliver an Address 29 



Goethe's intellectual awakening and that of Henry, compared 92 



Government of the United States, Henry's services to 133,143,316 



Gray, Prof. Asa, a Regent, Address by, at the Memorial Services 53 



Gray, Prof. Asa, a Regent, one of a committee appointed by the Regents to pre- 

 pare for their records a biographical memoir of Joseph Henry 30 



Gray, Prof. Asa, a Regent, one of a committee appointed by the Regents, to pre- 

 pare a Memorial Volume 32 



Gray, Prof. Asa, a Regent, selected by the Regents to deliver an Address at the 



Memorial Services 28, 29 



Guyot, Prof. Arnold, a pall-bearer at the funeral of Joseph Henry 11 



Hall of the House of Representatives assigned by Resolution of Congress, for 



the holding of Memorial Services 37 



Hall, Prof. James, letter of, on the death of Henry 129 



Hall, Prof. James, testimony of, to Henry's early magnetic telegraph 381 



Hamilton, Col. C. S. letter from, to the Light-House Board, on lard and rape- 

 seed oils 424 



Hamlin, Hon. Hannibal, Senator, a Regent, Address of, at the Memorial Serv- 

 ices, (read by the Vice-President) 43 



Hamlin, Hon. Hannibal, Senator, a Regent, resolution presented by, in the 



Senate, to participate in the Memorial Services 2 



Hamlin, Hon. Hannibal, Senator, a Regent, selected by the Regents to deliver 



an Address at the Memorial Services 29 



Hare, Dr. Robert, calorimotor galvanic battery devised by 82,239,376,484 



Heat-radiation, comparative, of the solar spots 269,431,448,502 



Heat-radiation detected at great distances by the thermal telescope 156,320 



Heat-radiation, experiments on, by Henry 321 



Hendrie, the ancestral name of the Henry family 507 



Henry as a Christian 1 16,21,33,73,114,134,147,200 



Henry as a discoverer 475 



Henry as a financier 46,51,97 



Henry as a teacher : 62,197,212,362 



Henry, contributions to science at Washington by 319 



Henry, death of 7,188,360,467 



Henry, education of 54, 56, 177, 206 



Henry elected professor of mathematics at Albany Academy 57,130,211,443,476 



Henry elected professor of physics at Princeton 61,131,238,431,447 



Henry elected Secretary of the Smithsonian Institution 65,132,169,185,275,453,406 



Henry, improvement of the Light-House service by 97,308,315,436,464 



Henry independent discoverer of magneto-electricity 235,445,490 



Henry inventor of the electric chronograph 155,272,398,448 



Henry inventor of the electro-magnetic engine . 230,445 



Henry inventor of the magnetic telegraph 85,131,149,228,380,487 



Henry, letter from, to Rev. S. B. Dod 149 



Henry, letter from, to Prof. S. F. B. Morse 384 



Henry, letter from, to Dr. E. Nott 409 



Henry, letter from, to Mr. J. Patterson 23 



Henry, marriage of 61, 238 



