868 



INDEX, 



Deglutition, phenomena of . . . 296 

 Demuiutiou, the atmosphere an 



hgtnt ill 250 



Di'iniflation, the sea an agent in . 250 



Diamond, nature of 217 



Diilyniiuni, spectrum of 218 



Din'osaurians, new .... 325, 327 



Disinfectants 1«8 



Distances, new instrument for meas- 

 uring 126 



Dog, liistoric age of 323 



Domestication, degrees of . . . .322 



Drift in lirazil 269, 272 



Dveing, imiiioveinents in ... . 1>6 

 Dynamometer, Kuggles' .... 42 



Earth's salts, etc., origin of . . . 202 



Electric elements, mutual action of. 162 



" signals on railroads . . . 162 



Electrical tl\ing lish 164 



Electricit) in ileep-sea sounding . 164 



" as a motive power . . 15S 



English channel, date of .... 251 



Engrafted tissues 306 



Eo/oiin (auadcnse 2(j8 



Etna, cniptiou of 263 



Eiicahiitus 3:!0 



Execution by hanging 2'J7 



Extractum caruis DO 



Fat, sources of 277 



Fevers, malarial, cause of ... . 3(i2 

 Fire, elFect of sunshine on . . . . 151 

 Fire-damp, new detector for . . .174 

 Fish, vision of 324 



" voices of 323 



Fog signal I'^O 



Fossil reptiles, new . . 325, 326^ 327 

 Freezing, in animals, physiology of. 2t>9 

 Friction match, chemistry ot its 



burning 207 



Frith of Forth bridge 34 



Fruits, rotting of 333 



Gas, high temperatures from burn- 

 lug 65 



Gas furnace, Siemen's 66 



Gases, dissociation of at high tem- 

 peratures 187 



Gelatine, from marine plants ... 95 



Geography of Africa 355 



" of ISrazil 357 



Geological deposits, succession of . 249 

 " periods, length of . . . 248 



Geology of Brazil 269, 270 



" of the tirst cataract of the 



Nile 255 



" relations of to Palaeon- 

 tology 246 



Glass, coloration of 197 



" composition of 214 



" stained, ancient 217 



Gneiss, fossiliierous 203 



Gold, epochs of deposit of . . . .249 

 Growtli in man, period of . . . .300 



(iun, non-recoil l*^*"' 



Gun cotton l^j- 



" paper 102 



Gun powders, new 103 



Gypsum cement •lO 



Hailstones, analysis of 214 



Hanging, physiology of 297 



Heart, increased beating of in as- 

 cending 306 



Heat, dynamical theory of ... . 6 



" from gas 65 



Horseflesh as food 296 



Horse power , ... 60 



Huggins. William, on spectrum 



analvsis *. . 232 



Huxley,!'. Progress of physiology. 274 

 " " on transmutation of 



species 309 



Hydraulic cements . . . .38, 39, 40 

 " coal-cutting machine . . 82 



" dock 71 



Hydrostatic scale 175 



Hypsometer, improved 154 



Ice, action of in forming lake 



basins 262 



Ice, expansion of 178 



" cylinders, production of by 



pressure 177 



Ichthyosaurus, skin of 326 



Illuminators, new, for opaque ob- 

 jects 147, 149 



India-rubber, for telegraph cables . 89 



Indium 218 



Induction coils 161 



luflaninuition, cause of redness in . 305 



Ink, excellent 215 



Insects, muscular power of . . . 323 



Iodine 30(J 



Iridoscope 308 



Iron in the blood 306 



" protection of ...... . 198 



" purification of 78 



" cement 39 



Iron dads, resistance of . . . .116 



Iron ships 70 



Island, new volcanic, in Bay of San- 



torino 266 



Isomerism 185 



Japanese fireworks 196 



Kangaroo, parturition of ... . 321 



Lake dwellings of Switzerland, 360, 363 



Laurite 217 



Lead, native, from Lake Superior . 219 

 Leaves, autumnal change of . . . 334 



Life tables • ... 171 



Light, new artificial .... 128, 144 

 " effect of on honey . . . .128 

 " mechanical equivalent of . 122 

 " of the moon and Venus, com- 

 pared 125 



" thcorv of 120 



" velocitv of 121 



Lighting of the Capitol dome . .105 

 Lightning, protection against . . 106 



Limbs of mammalia 279 



Linoleum 86 



Magic photographs 144 



Magnesium lamp 84 



light 217 



Magnetic declination, instrument 

 for showing 163 



