420 



ANNUAL OF SCIENTIFIC DISCOVERY. 



GASPARIN, M., 



GASPARIS, M. DE, 364, 



GASSIOT, J. P., 



Gates and doors, new method of con- 

 structing, 



" new air-spring for, 

 Generation, physiology of, 

 GENTELES, M., 

 Geological deposits, recent, 



formations of Europe and 

 America, connection be- 

 tween, 

 Geology and mineralogy of emery, 



" of the California gold regions, 

 GERVAIS, PAUL, 

 GESNER, DR., 

 GHELDERE, M., 

 GHOIST, DR., 

 GIBBES, PROF. L. R., 

 R. W., 



Gilding porcelain, new method of, 

 GILLARD, M., 

 G:RARD, A., 



GlRARDIN, M., 



GLADSTONE, MESSRS., 

 GLAISHER, MR., 

 Glass coating for iron, 



" derived from the fusion of rocks, 

 magnetic power of, 



" improvements in machinery for 

 the manufacture of, 



" new process for ornamenting, 



" photography on, 

 GLENDINNING, MR., 

 Globe, Dove's maps of the isothermal 



lines of, 



CLYDE, ALFRED, 

 GOBLEY, M., 

 Goitre and cretinism, 

 Gold, crystallized, from California, 



" discoveries of, in 1850, 



" in Indiana, 



" in New Grenada, 



" mining, California, 



" near Lake Superior, 



" pens, manufacture of 

 process for refining, 



" regions, California, geology of, 

 Goniometer, reflecting, combination of, 



and the polariscope, 

 GOODYEAR, N., 

 GORRIE, DR., 

 GORUP-BESANEZ, M., 

 GOULD, B. A., JR., 

 Governor, spring, 

 GRAHAM, PROF., 

 Grain-drier, 

 GRANTHAM, MR., 

 Green-sand, availability of, as a source 



of potash, 



of New Jersey, origin of, 

 value of, for agricultural 



purposes, 

 GREGORY, PROF., 

 GRENON, M., 



Groombridge 1,830, parallax of, 

 Groups, new way to obtain, 

 GROVE, MR., 



Growth of plants in abnormal atmos- 

 pheres, 



189 

 365 

 172 



66 

 64 



182 

 261 



it 



Cl 



S55 



301 



293 



312 



84 



32G 



361 



140 



313 



72 



81 



51 



213 



325 



370 



G6 



136 



46 



73 



149 



320 



377 

 230 

 250 

 362 

 296 

 292 

 292 

 2S3 

 295 

 293 

 67 

 175 

 293 



142 



27 



57 



200 



126 



377 



222 



36 



94 



208 

 262 



207 

 215 

 72 

 375 

 152 

 349 



325 



Guage, tide, self-registering, 61 



Guatemala, zoology of, 328 



GUEYMARD, M., 298 



GUIET, M., 186 



GUILLEN Y CALOMARDE, M., 374 



Gulf of Mexico, tides of, 162 



" Stream, extent of, 264 



Gun-cotton, 235 



" needle, new, 44 



Gutta percha, as a means of electrical 



excitation, 130 



GUYOT, PROF., 242 



Habits, curious, of birds, 345 



Haematinone, 214 



HAGNER, MAJOR, 41, 86 



Hair, increase of, in man, 355 



" of different races, 356 



HALL, JOHN S., 33 



Hammering wrought-iron, machine for, 38 

 Hardening objects in plaster of Paris, 



method of, 74 



HARVEY, PROF , 322 



HASLET, C. H., 6 



HAWKINS, J. I., 67 



HAY, MR., 165 



HAYES, DR. A. A., 175, 199, 225, 226 



" J. L., 314 



Health and disease, geographical distri- 

 bution of, 359 

 Heat and light, identity of, 141 

 : animal, ' 352 

 ' improvement in the production of, 81 

 " transmissibility of, 141 

 HEATH, J. M., 92 

 HEATON, GEORGE, 15 

 HELMHOLTZ, M., 352 

 Hemp rope and galvanized wire, ex- 

 periments with, 39 

 HENRY. PROF., 127 

 HERICOURT, M. DE, 252 

 HERPIN, M., 217 

 HIGHTON, MR., 131 

 Hippopotamus in England, 345 

 HOLMES. F. S., 271 

 Horse-shoes, noiseless, 23 

 HORSFORD, PROF., 195, 234, 241 

 Hose, coupling for, 60 

 HOUGH. DR. F. B., 298 

 HUBBARD. PROF., 303 

 HUGHES, MR., 33 

 Human being, spontaneous combustion 



of, 358 



Humus and the part performed by ma- 

 nures in the nourishment of plants, 202 

 HUNT, ROBERT, 108, 248 



" T.S., 259 



Hydraulic pressure in coal mines, 31 



ram, improved, 30 



Hydro-pneumatic lift, 29 



Hydrostatic blowing pipe, 89 



log, 60 



Hygrometer, register, 60 



Ice, anchor, 291 



" artificial production of, 

 Identity of light and heat, 141 



of various comets, 368 



Impressions, luminous, production of, 



on the eye, 147 



" recent, of the feet of birds, 314 



Improved filters, 62 



