598 



INDEX. 



Furnace-bars, revolving, 433. 

 Fusisporiuni solaria, 341. 

 solaui, 363. 



G. 



Gabb, Dr. William M., 315. 



Gaffard, 4S5. 



Gallatin, Hon. Albert, 262. 



Galle, Prof., 51. 



Gallium, 203, 204. 



Galvanic currents, glow clue to, 166. 



resistance, new theory of, 165. 

 Gamond, Thome, 542. 

 Gannett, Henry, 246. 

 Gardner, James T., 233. 

 Garnierite and noumeite, new minerals, 



221. 

 Gas for light-houses, 4G1. 



from bones, 417. 



from cork-waste, 417. 



from night-soil and dead animals, 418. 



from wood and petroleum, 417. 

 Gas-retort, carbon from, 19S. 

 Gases, elasticity of, 143. 



from the stomach, 205. 

 inclosed in coal, 209. 

 spectrum dispersion by, 153. 

 Gastropods, embryology of, 33S. 

 Gaudoin, 515. 

 Gauss, 3. 



Gauss' theory of capillarity, 142. 

 Gautier, 217. 

 Gay safety mattress, 412. 

 Geisler, IJr., 287. 

 Gems, artiticial, 514. 

 General physics, 135. 

 Genow, Dr., 367. 

 Genth, Dr. F. A.,222. 

 Geographical variation among North 



American mammals, 302. 

 Geography, 231. 

 Geology and mineralogy, 219. 

 Geophilus, 336. 



George, Staff Commander, lOS. 

 Georgine, a new j^ellow dye, 493. 

 Gerard, 498. 

 Gerbe, 409. 

 German pot-ash salts. 374. 



Seewarte in Hamburg, 78. 

 Germany, African locust in, 329. 



meteorology in, 78. 

 Germination, rapid, 353. 

 Germs, air, 272. 

 Geruez, 502. 



Geyser of Iceland, temperature in the, 109. 

 Giant birds, new fossil, 313. 

 Gibbs, William Alfred, 378. 

 Giebel, Dr., 119. 

 Giffard, Henry. 450. 

 Gilbert, G. K., 121, 256, 259. 

 Gilding on glass, 496. 

 Gillot, 481. 

 Gillotvpe, the, 481. 

 Gintef, Dr., 168. 

 Girard, Aim^, 211. 



Glacial epoch in the Rocky Mouutaius, 

 228. 

 erosion, snb- alpine lake basins 

 due to, 229. 

 Gladstone and Tribe, 195. 

 Glaisher's observations of moisture in the 



atmosphere, 91. 

 Glass, a new, 512. 



circles divided on, 46. 



Glass, gilding on, 496. 

 hardening, 513. 

 Gleason, F. A., 517. 

 Gledhill, 17. 



Crossley, and Wilson, 44. 

 Gleitsmann, Dr., 531. 

 Glires, division of the, 301. 

 Gloucester fisheries of 1875, 386. 

 Glow due to galvanic currents, 166. 

 Glue, durable, 511. 

 Glue for leather and metal, 510. 

 liquid, 511. 



prevention of cracking, 412. 

 Glycerine for illumination and heating, 

 416. 

 poisonous properties of, 537. 

 Glvcerine-gelatiu, 427. 

 Gobba, Prof., 356. 

 Godeffroy, 416. 



Goessmann, Prof., 372, 373, 374. 

 Goette, 296. 

 Gold, a new test for, 205. 



varnish for metals, 496. 

 Golden-olive on cloth, 490. 

 Gonuch, 179. 

 Goodale, Hon.S. L., 390. 

 Gooseberries, American, 855. 

 Goppelsroder, 4S8. 

 Gorrie, Dr., 147. 

 Grad and Hagenmuller, 69. 

 Gramme light in railroad depots, 190. 



machine, 164, 165. 

 Grandjean, Henry, 42. 

 Grant, George B., 43. 

 Grass, an intoxicating, 352. 

 Grassi, Dr. G., 88, 231. 

 Grate-fires, reflecting-plate for, 419. 

 Grattoni, Severiuo, 542. 

 Gravel banks and flood-marks, formation 



of, 230. 

 Graves, Walter H., 256. 

 Gravitation and enertry, relation between, 



135. 

 Gray, Prof. Asa, 351, 355, 358, 542. 

 Greef, 346. 

 Green, baryta, 493. 

 Green River, 250. 

 Green, Seth, 159, 395. 

 Greene, Lieut. F. v., 67. 

 Grohan, 141. 



Groombridge, 1830, parallax of, 32. 

 Groth, Prof., 136. 

 Groves, 526. 



Growth in certain fishes, rapidity of, 405. 

 Grubb, 40, 153. 



Guadalupe Island, flora of, 360. 

 Guericke, Otto von, 81. 

 Guicheuot, Alphonse, 542. 

 Gulliver, Prof. G., 270, 274, 308. 

 Gum copal and oleic acid, 500. 

 Gunpowder, prismatic, 458. 

 Gunther, Dr., 323. 

 Gurgun balsam, 526. 

 Gurt, Dr.,108. 

 Guthrie, Prof., 195, 531. 

 GyldeUjProf. H.,36. 



H. 



Haast, Dr. Julius, 311. 

 Habit of frogs, remarkable, 316. 

 Habits and anatomy of the Nereid worm, 

 336. 



of birds, 312. 



of fishes, curious, 324. 



