372 



INDEX 



Bromoiodlzed rubber 101 



Bronze age, absent in Africa . . . 365 



" powders 100 



Bronzing cast-iron 227 



Brorsen's comet 339 



Buddhist remains, ancient .... 366 



Buoys, electric 167 



Bustard, Norfolk 332 



Cables, telegraph, hempen .... 52 



Caesium 226 



Caffein, physiological and therapeu- 

 tical action of 289 



Calabar bean 330 



Calamites 273 



Calculus, chemical 189 



California, basalt of 256 



" minerals of 231 



Caloric vs. the nervous force . . . 280 



Cambrian fossils 273 



Canal, Suez 38, 39 



Cannon balls, penetration of . . . 121 



Carbolic acid 212 



Carbon, in iron 29 



Carbonic acid, reduction of, to ox- 

 alic acid 188 



Carbonic acid vs. absorption of ox- 

 ygen 292 



Carboniferous limestone, fossils of 240 



Carbonization of wood 227 



Carburetted coal gas 137 



Cast-iron, bronzing of 227 



" chemical nature of . . 18'.> 



" corrosion of 197 



" permeability of, to gases 126 



Cast steel boilers 70 



Caucasus, petroleum in the . . . 262 



Caverns, division of 361 



Cement, ^as proof 2,:9 



Cementation of glass 140 



Cements, new 95 



Centring, new method of striking . 34 



Cerium 225 



Charcoal, from seaweed 208 



Cliassepot rifle, wounds by ... . 329 

 Chemical action of light .... 143 



" calculus 189 



" constitution vs. physiolog- 

 ical action of medicine 288 

 " rays of the sun .... 132 

 Chemistry, organic .... 186, 187 



Chicago, river tunnel 51 



Chilled roll, large 106 



China, geology of 250 



Chloride of silver 229 



Chlorine, preparation of ... . 228 

 Cholera vs. sewage contamination 300 



Chrome, iron 28 



" eteel 28 



Chromo-Iithography 82 



Clocks, electric 160 



Clouds, color of 350 



Coal in Nebraska 202 



" gas, carburetted 137 



" measures, reptiles of the . .273 



Coating of cast iron 1C5 



" wood, etc., composition 



for 104 



Cold, influence of on nervous func- 

 tions 277 



Color of the clouds 350 



" " " sky 348 



Color of the sun spots 339 



Colored ravs, action of on plants . 230 



Coloring of brass • . 89 



Colors, aniline 201 



" of the stars 350 



Combustion 228 



Comets of 1868 339 



Compass, deviation of 158 



Composition for coating wood, etc. 104 



" fuel 102 



Compound telegraph wire .... 53 



Conifer, new arctic 3-35 



Constant galvanic current . . . 159 

 Consumption, pulmonary .... 293 

 Copper, deposit of on iron and steel 



without a battery . . . 227 

 " in New Hampshire . . . 231 



Corrosion of cast-iron 197 



Crag 245 



Cran-nog, Scottish 363 



Crater Linnaeus 349 



Cretaceous sea in Italy 272 



Crucibles of magnesia 232 



Crustaceans, ancestry of ... . 316 

 Cryolite and its products . . . .224 



Crystallization utilized 91 



Crystals, containing fluid .... 200 

 Cyanide of potash, antidote to . . 329 



Darwin's theory 310 



Death by flre-damp 329 



" means of recognizing . . . 329 

 Decapitation vs. oxygenized blood 328 



Defective alimentation 282 



Deglutition, Eustachian tube in . 325 

 Dendrites, formation of .... 239 

 Devi:itiou of compass, finding . . 158 



Diamond, formation of 220 



Diamonds, artificial, manufacture 



of 223 



Diatoms, species among .... 324 



Dietetic fait 291 



Ditferential motion 106 



Discoloration of the sea .... 315 

 Diseases, fungoid origin of . 301, 302 



Disinfection, dry-earth 214 



Division of caverns 361 



Double-current telegraph wire . viii 

 Double refraction, theory of . . . 133 



Drill, sub-marine 121 



Drilled holes 105 



Dry-earth disinfection 214 



Durometer 105 



Dye, aniline, new 99 



Dynamite 118 



Ears of animals ....... 331 



Earthquake in South America , . 267 



" waves 128 



Earthquakes, use of 270 



Earth's crust, temperature of . . 2.35 

 " thickness of . . . 272 



East-Anglian geology 245 



East Bo.-ton tunnel 48 



EbuUition, letarded 130 



Echinoderm, viviparous .... 316 

 Eciipst! of the sun, Aug. 17 . . . 3-36 



Etfioie?;cence 190 



Elasmosaunis platyurus .... 317 



Electric buoys 167 



" clocks 160 



" gas signal 227 



