640 



INDEX. 



Grayling of North America, cc. 



"Great Eastern," animal incrustation on, 



432. 

 Great Auk, discovery of bones of, in New- 

 foundland, 339. 

 Kanawha River, ccli. 

 Lakes, tides in, 09. 

 Green, chrome, 529. 



dyeing feathers, 525. 

 iodine, 52S. 

 Green, Mr. Seth, ccxxviii., 344, 412, 422, 



425, 5S5. 

 Grenadier, Mr., clxxxii. 

 Griffin, Mr., lxxx. 

 Grimm, Prof. Oscar, 351. 

 Gross, Mr., 372. 

 Grote, Dr. A. R., 3S9. 



Mr., cxcv. 

 Ground currents and the aurora, 2T. 



telegraphic, 197. 

 Groundwort as a febrifuge, 560. 

 Growth of oysters in France, 439. 



of the vegetable cell, ccxiv. 

 Griineberg & Vorster, Messrs., 540. 

 Gruner, Mr., cclxiv. 

 Guauo and menhaden oil, 417. 

 artificial, 381. 

 continued supply of, 3S0. 

 deposits in Peru, new, 382. 

 from dried fish, etc., 384. 

 Guhrauer, Dr., 540. 

 Guillemiu, Mr., 47, 48. 

 Gulliver, Prof., cxl. 

 Gum tragacanth, 225. 

 Gun-cotton, 479. 



for fog-signal, 130. 

 Gundersen, Capt., cxxiii. 

 Gunpowder, heat and products of explo- 

 sions of, 479. 

 Gunther, Dr., 64, 342. 



Mr., 574. 

 Guppy, Mr., clxxxiii. 

 Gurney, Sir Goldsworthy, 593. 

 Guthe, Hermann, 593. 

 Guthrie, Mr., lv. 



Mr. Frederick, 214 

 Prof., 119, 162, 194, 212. 

 Gutzeit, Mr., Ixxxiv. 

 Gylden, Prof., xxvii., xxx., 43. 

 Gynandrophormism, cxciii. 



H. 



Haanel, Dr., 165. 



Habitations, ancient, 277. 



Habits of bees, wasps, and ants, 349. 



of eels, 346. 

 Habrecht, Dr., clxxxiv. 

 Hiickel.Mr. E.,350. 

 Haeckel, Prof., cxliv. 

 Haeckel's "Anthropogenic," clxxi., ccx. 

 Haematin not ferruginous, 227. 

 Haffray, Mr. Achille, clxvii. 

 Hagen, Dr., 573. 



Mr., xxxix. 

 Hague, Mr. Henry, clxv. 

 Hail-storms, xli. 



periodicity of, 116. 

 Hair, changing black to blonde, 445. 

 Hair-seal fisheries, 414. 



-worm (gordius), clxxxiv. 

 ITalevy, Dr., clxviii. 

 Hall and Sherwood, Messrs., cv. 

 Capt., 587. 



Hall, Prof. A., 54. 



Hall's electric signal system, ccxxxviiL 



Halleck, Mr. Charles, 412. 



Hamburg Observatory, xxxii., 30. 



Seewarte, xxxv. 

 Hamilton, Mr., 203. 



Sir William, 4-6. 

 Hamilton's equation of motion, 4. 

 Hammerbacher, Mr., lxxxi. 

 Hammerschmidt, Dr., 333. 

 Hamy, Dr., clxviii., clxx. 



Mr E. T., clviii. 

 Hanbury, Daniel, 593. 

 Haner, General, cxv. 

 Hanu, Mr.,xxxviii., xxxix. 

 Hansen, Mr., 513. 

 Hansen's manuscripts, 5S9. 

 Harbor of New York, 252. 

 Harbors and roadsteads, preservation of, 



496. 

 Hardening sandstone, 464, 520. 

 Harding, Mr.G. E., ecliii. 

 Hardman, Mr., cviii. 

 Hardwicke, Robert, 593. 

 Hargreave's improvements, eclxxx. 

 Harkness, Prof. William, 57. 

 Harmony in musical instruments, 204. 

 Harpyopsis nova? guinese, exxxiii. 

 Harrison, Mr. P., 15. 

 Hartig, Mr., ccxiv. 

 Hartley, Mr., lxxxi. 



Mr. W. N., 209. 

 Hartmann, Mr., xci. 

 Hartshorne, Mr. Bertram, clxviii. 

 Hartt, Mr. Chas. Fred., A.M., clxvi. 



Prof., civ., clxxiii. 

 Harvard College Observatory, xx. 

 Harvey, Rev. Mr., 351. 



Prof. William H., 363. . 

 Hatching of the smelt, artificial, 421. 

 of sturgeon, artificial, 422. 

 Havrez, Mr., 497. 

 Hawes, Mr., lxxxi. 



Mr. G. W., xcvi.,244. 

 Hawkshaw, Sir John, eclv., 512. 

 Hayden, Dr., cxxiii., 249, 365, 573. 

 Hayes, Dr. A. A., 205. 



Dr. J. R.,cclxix. 

 Hays, William J., 593. 

 Head, Sir Francis Bond, 593. 

 Headaches, De Chegin on, 565. 

 Health and morals in improved dwell- 

 ings, 453. 

 Heat, liii. 



and electricity, 125. 



and products of gunpowder explo- 

 sions, 479. 



and vegetation, 367, 36S. 



by galvanic currents, 126. 



repulsion due to, 155. 

 Hector, Dr., ccv., 359, 360. 

 Heercn, Prof., 537. 

 Heinzmann, Dr., 249. 

 Helicops alleni, 342. 

 Hell and Mediuger, Messrs., lxxxviii. 



Mr., 31. 

 Hell-Gate passage, ccxiv. 

 Hellriegel, Mr., 402. 

 Helhvald, Fr. von, cliii., clxiii. 

 Helmert, Prof., xxxii., 29. 

 Helmholtz, Prof., lii., 130. 

 Henderson hydraulic brake, cexxxix. 

 Hendricks, Prof. J. E., Ixx. 

 Hennessey, Mr., 11. 



