206 ALPHABETICAL INDEX 



Heat — Continued. 



dry, comparative action of sulphurous acid and, upon putrefactive bac- 

 teria. (P. 188i) 467 



principles of the mechanical theory of — J. Muller. (R. 1868) 224 



radiant, report on state of knowledge of — B. Powell. (R. 1859) 110 



recent progress in relation to the theory of — A. Cazin. (R. 1868) 224 



specific, table of— F. W. Clakke 276 



tables of expansion by — F. W. Clarke 289 



Heavenly bodies, results of spectrum analysis applied to — W. Huggins. (R. 



1866) 214 



Heights, circular relative to — J. Henry 236 



Heights of mountains in Colorado — G. Engelmann. (R. 1862) 150 



Heights, quantity of rain ait different — O. W. Morris; J. Henry. (R. 1855.) 77 

 Heilprin, a. New species of eocene moUusca from southern United States. 



(P. 1880) 425 



Heinemann, v. Lepidoptera 133 



Helicinidte — W. G. Binney 144 



Heligoland, birds of— H. Garke. (P. 1879) 383 



Hellwald, F. VON. American migration. (R. 1866) . 214 



Helmholtz, H. Relation of physical sciences to science in general. (R. 1871.) 249 

 Helmholtz, H.; Maxwell, J. C. Later views of connection of electricity 



and magnetism. (R. 1873) 275 



Hemiptera, instructions for collecting — P. R. Uhler. (R. 1858) 109 



Hemirhamphus rosse from coast of California, description of — D. S. Jordan; 



C. H. Gilbert, (P. 1880) 425 



Henry and the telegraph— W. B. Taylor. (R. 1878) 341, 405 



Henry as a discoverer— A. M. Mayer 356, 417 



Henry, J. — 



biographical memoir of, by A. Gray. (R. 1878) 341, 407 



deposition of, in the case of Morse vs. O'Rielly, taken September, 1879-. 115 



examination of, by English Scientific Commission 329 



life and character of, by J. C. Welling 356,338 



memoir of, and sketch of his scientific work, by W. B. Taylor 356, 339 



memorial of, by United States Congress 356 



monument to, act of Congress for 356 



report of Special Committee of Board of Regents on communication of — 



C. C. Felton. (R. 1857) 107, 115 



statue of, proceedings of Congress relative to 356 



statue of, report of Executive Committee on. (R. 1880) 442 



Henry, J., papers by : 



Account of Priestley's lens. (R. 1869)— 110 



Acoustics applied to public buildings. (R. 1856) 91 



Address on the Smithsonian Institution. (R. 1853) E, 67 



