INDEX. 



327 



Cement for Iron 49 



" hydraulic 95 



" for attaching glass and 



brass 98 



" for coal-dust fuel .... 96 

 Central Pacific Railroad .... 38 



Cere viaduct 31 



Cervical ribs in man 278 



Chalk, as a ferment 209 



Chalmers' target 107 



Channel railway 39 



Charcoal * .... 185 



Cheese, as food 247 



Chemical calculus, 9 



" toy, new 105 



Chilled shot 108 



" wheels 71 



Chlorophyll, function of .... 274 



Cholera, cause of 278 



Cholerine 279 



Cinchona tree, in India .... 277 

 Cincinnati suspension bridge . . 31 



Cinnabar 210 



Climate, primitive, of the earth . . 225 



" variations of 303 



Coagulation of the blood .... 246 



Coal, effect of exposure on ... 203 



" mines of the world .... 318 



" supply of England .... 317 



Coal-dust fuel 96 



Cobra-de-capello, poison of ... 255 



Coca 257 



Coins, attrition of 320 



Cold, point of absolute 171 



Collodion, chloro-iodized .... 145 



Colocasia 282 



Color of sunlight 130 



Colors, of metal, when heated . . 171 

 " persistence of, on retina . . 240 



" of soap bubbles 136 



Comets of 1867 295 



Conduction of sound, by hydrogen 



and air 165 



Condy's fluid 254 



Coniferae, flowers of 274 



Constitution, ultimate, of matter . 126 



Contraction of steel 68 



Corixa mercenaria, eggs of ... 280 



Cotton, mercerized 78 



Cresylic acid 180 



Crustacean parasitism 266 



Cryptograph, Wheatstone's . . .156 



Crystallization of glycerine . . .196 



" method of . . . .177 



" of red phosphorus . 196 



Cuba telegraph 307 



Currents, ocean 127 



Curves, sharp, on railroads . . 34, 38 



Dam across St. Lawence River . . 27 

 " built in midwinter .... 28 



Darwin's theory 262 



Deaf-mutes, teaching them to speak 241 



Deaths by lightning 163 



Decay in stone, cause and preven- 

 tion of 50 



Dftinichthys 281 



Denmark, iron age of 316 



Deodorization of petroleum ... 96 



" of vulcanized rubber 96 



Desert, artesian wells in .... 97 



Diameters of the asteroids ... 295 



Diamond, a source of 216 



drill 25 



Diazobenzole 106 



Digestion, artificial 247 



Disinfectants 249 



Distance of the sun 288 



Double star, new 287 



Drill, diamond 25 



Dumb, teaching the, to speak, . . 241 



Earth circuit, in telegraphy . . . 158 



" raten in Borneo, analysis of 248 



East River suspension bridge . . 31 



Eclipse of Jupiter's moons . . . 291 



Education, technical, importance of 4 



Egg of epiornis maximus .... 279. 



Eggs of corixa mercenaria .... 280 



" of fishes, silk from . . . .282 



Eidoscope 132 



Ekmanite 221 



Electric current, velocity of, in At- 

 lantic cable . . . 172 

 from decomposing 

 organic substances 208 



" distance metre 157 



" light 9, 152 



" " cost of 153 



" machine, Holtz's . . 160 



" Topler's 



Wilde's 



159 

 150 

 171 

 283 

 243 

 169 

 169 



" perforations, shape of 

 Electricity, action of, on seeds 



animal 



of combustion . . . 



conversion of into heat 



effect of, on blood cor- 

 puscles 277 



Electro-magnetic induction appara- 

 tus 148 



Engine, gas 19 



" hot-air 17 



Engineering, war, American . . 320 

 England, coal supply of .... 317 



Eozoon 272 



Epiglottis, pendency of 278 



Epiornis maximus, egg of .... 279 

 Explosions of steam boilers . . . 5S 



Expansion of steel 68 



Explosive compounds, new . 104, 106 



Exposition, Paris 3 



Eye-piece, new solar, 291 



Falling bodies, air carried by . . 127 



Fan, ventilating 26 



Far-sightedness 238 



Fatality of numbers 175 



Feathers, distribution of, on birds . 278 

 Fever, intermittent, cause of ... 260 



Fibre of iron 66 



Fish biscuit 277 



Fishes, eggs of, silk from .... 282 



moulting in 279 



muscles of, homologies of . 263 

 Flame, influence of sound on . . 166 

 Flint implements, use of .... 317 



Flora, of Canada 231 



" miocene, of Greenland . . 231 



Florida canal 33 



Fluid resistance 129 



Fog-vesicle, transporting power of 302 



