650 



INDEX. 



Hay fed to sheep, 413. 



Hayden, Prof., lxxxvii., 219, 233, 593. 



explorations of, in 1874, 

 275. 

 Hay-fever, 549. 



Heads of Macas Indians, prepared, 297. 

 Hearing in man and mammals, 192. 

 Heart, perfection of the human, 2S5. 

 Heat, atomic, 171. 



conduction of, xl. 



infusorial earth a? non-conductor of, 

 451. 



mechanical equivalent of, 146. 

 Heer, Mr., Ixx. 

 Heeren, Dr., 511. 



Height of the human species, 324. 

 Heis, Prof., 30. 



& Abbe, Messrs., xxviii. 

 Heitzmann, Mr., lvii. 

 Helbing, Mr., Ixiii. 

 Heliopictor, the, 490. 

 Hell & Lauber, Messrs., liii. 



& Medinger, Messrs., Ixiii. 

 Helmert,Mr.,243. 



Helmholtz, Prof., xxxvii., 139, 1CS, 193. 

 Heloderma horridum, 30S. 

 Helsingfors, mean temperature at, 100. 

 Hendersou, Mr. James, clxxvi. 

 Hendricks, Prof., xix. 

 Hennessey, Mr., 14. 

 Hennig, Capt. E., 346. 

 Heuniug Hamilton, Count, cxiv. 

 Henry, Prof. Joseph, xxxiii., xxxix., 34, 98, 



185, 407. 

 experiments of, near 

 Sandy Hook, 1S6. 

 Henshaw, Mr. H. W., lxxxvii., civ., 2GS. 

 Hentz, Mr. G. A., cxxxi. 

 Herbarium, additions to the National, 



593. 

 Hereditary physical peculiarities, 295. 

 Herschel, Sir John, xxx., 43. 



Sir William, 43. 

 Herschel's observations of the satellites 



of Uranus, 43. 

 Hervvig, Mr., 130, 166. 

 Hessenberg, Dr. Friedrich, 613. 

 Heumanu, Mr., 1. 

 Heusen, Mr., 350. 

 Hibberd, Mr. Shirley, 404. 

 Hibiscus Mexicanuc, 410. 

 Hickie, Mr. W. J., xcviii. 

 Hides with carbolic acid, 514. 

 Hilgard, Prof. E.W., 232. 



Prof. Julius E., 237, 244, 575. 

 Ililger, Mr., lx. 

 Hill, Mr. G. W., xix., 11. 

 Himes, Prof., 529. 

 Hind, Mr., xxxii. 

 Hirn, Mr., xliii., 19, 13S. 

 Historical Society of Pennsylvania, Pub- 

 lishing Fund of, 5S0. 

 The Southern, 590. 

 Hitchcock, Prof., lxix. 

 Hobham, Mr., 4S4. 

 Hock, Mr., 473. 

 Hodges, Dr., 546. 

 Hofmann, Mr., li., liv., lv. 

 Hoffmeister, Mr., 364, 3S7, 390, 418. 

 Hoffmeyer, Capt., xxxiv., 116. 

 Hog-yards, removal of smell from, 3S9. 

 Holden, Prof. E. S., xxv., 43. 

 Holland, kimr-crab in, 316. 

 Holley, Mr. Alexander L., 459. 



Holton, Prof. J. E., 613. 

 Honey, separating, from comb, 541. 

 Hooibreuk method of fertilizing plants, 

 409. 

 svstem of fruit-culture, 40S. 

 Hooke, Mr., 129. 

 Hooker, Dr., clii., clix., clx., 372. 



Lady, 614. 

 Hoopes & Townsend, Messrs., cc. 

 Hoorn, Mr., 443. 

 Hoosac tunnel, cxciii. 

 Hopkins, Prof., 219. 

 Hoppe-Seyler, Mr., Iviii., lx. 

 Horbachite, a new mineral, 226. 

 Horetzky, Mr. Charles, 256. 

 Horizontal pendulum, the, 167. 

 Horner, Mr., 237. 

 Hornsteiu, Mr., US. 



Horrocks, Jeremiah, monument to, xxiii. 

 Horse, genesis of the, civ., 301. 

 Horse-flesh, use of, in France, 447. 

 Horses, saving, from flies, 449. 

 Horsford, Prof., 3S9, 390. 

 Hose for fire-engines, water-tight, 498. 

 Hough, Mr. Daniel, cxvii. 

 Prof. F. B., 411. 

 Prof. G.W., 101. 

 Household economy, 429. 

 Houyvet, Mr., 482. 

 Houzeau & Thenard, Messrs., 204. 

 Howison, Commander II. L., lxxxi. 

 Howorth, Mr. H. II., cxv., 52, 229. 

 Hoxie, Lieut. R. L., 267. 

 Hubbard, Mr. F., 402. 

 Hudson's Bay Territory, 250. 

 Huggins, Mr., xxix., xxxi., 8, 29. 

 Hughes, Mr. McKeuna, lxxv., 509. 

 Hnghlings-Jackson, Dr., 293. 

 Hugo, Mr., 5. 



Hull and Judd, Messrs., Ixxii. 

 Hulsse,Mr., 131. 



Human bone in a cave in Yorkshire, 

 32S. 

 species, height of the, 324. 

 Humbert, Mr., cliii. 

 Humboldt, Baron, 85, 182, 229. 

 Hunt, Prof. T. Sterry, lxxiii., 228. 

 Hurricane in Mauritius, 120. 

 Husemau, Mr., 568. 

 Hutchinson, Mr. Thomas, cxviii., 575. 

 Hutton, Capt., 320. 

 Huxley, Prof., cii., 302. 

 Hyatt, Prof., cxxxvi., cxiv., 543. 

 Hybridism among ducks, cxxxiii. 

 Hydraulics of great rivers, 477. 

 Hydride of copper, 199. 

 Hydrogen generators, safe, 213. 

 is it a metal ? 200. 

 occlusion by iron, 199. 

 Hydrogenous palladium, 199. 

 Hydrographic Office, lxxx., xciv. 

 Hydrographical Bureau, lxxvii. 

 Hydrography and navigation, lxxvii. 

 Hydrophobia, vapor bath in, 558. 

 Hyopotanridce, characters and relations of, 



336. 

 Hypodermic injection of chloral, 560. 

 Hypsometry in the Rocky Mountains, 



238. 



Ice production in mild winters, 458. 

 Icebergs, formation of, 107. 

 Iceland, beds of sulphur in, 227. 



