INDEX. 



PAGE 



Abyssinian geology 226 



Action of chlorine on alcohol 209 



" " " " sodium 203 



" light on sulphur 1G5 



" " ozone on explosives 202 



" sulphur on gold 202 



Actinism at different altitudes 145 



Address, Mr. Bentham's 264 



Aero-steam engines 31 



Africa, diamond fields of. 227 



" stone implements of. 333 



African exploration 318 



Age of the Wealden 250 



A gue poison 301 



Air in tissues 271 



" salt in the 317 



Album, icono-photograph 284 



Alcohol, action, on the body, of 280 



Alizarine 182 



Alkaline lakes of California 254 



Alloy of zinc and calcium 199 



Alloys of manganese 200 



Amazon, valley of. 243 



American hemp in medicine, val- 

 ue of. .286 



Ammonia, detection of 173 



Amylic alcohol 210 



Ammonium-amalgam 104 



Anaesthetics 270 



Animal mechanics, some elementary 



principles 208 



Anthropology, Mr. Evans on 335 



and ethnology 339 



Antiseptic, new 285 



Anthracene, preparation of. 198 



Antiseptic treatment of rinderpest 



and scarlet fever 275 



Antozone 162 



Arms, new. 91 



Arsenic, detection of. 204 



Arsenic 204 



Artificial stone, Sorel process 70 



" leather 113 



horizon 314 



. " fruit-odors 209 



Asbestus and corundum 254 



Asphalte tubes for underground 



lines 88 



Asteroid, new 315 



Astronomical prize 315 



Society, the Royal.. .309 



Atomic theory 192 



Atoms, size of. 127 



Atlantic telegraph cables, experi- 

 ments on 155 



Atmosphere, spectrum of the solar.. 309 



Atmospheric ozone 295 



Australian corals 252 



' mud-fish, the new 296 



" tertiary deposits 224 



Axles, railway 38 



PAGE 



Bathybius, distribution of 218 



Benzile, optical properties of 151 



Bessemer process, chemistry of 177 



Bibliography, American 34 



Birds and small animals, prepara- 

 tion of 303 



Bentham's address 264 



Bismuth, Peruvian 200 



Bisulphide of carbon 203 



Bleaching fatty oilsS 208 



sugar 206 



Blindness, color 151 



Borax in glass manufacture 106 



Borer, the 274 



Boron, heat of combination 181 



Brazilian geology 246 



Brain, the 270 



Breath, human, in health and dis- 

 ease 268 



Bridge, concrete and iron 47 



over Dnieper 47 



suspension at Pittsburgh, Pa.49 



British fossil corals .251 



Broadway underground railway 48 



Bromhydric acid, 199 



Bromide of sodium 198 



Bronze, working of 117 



Building material, zinc as 108 



Bunsen lamp, flame of 176 



Cable between England and France 86 



Cables, Atlantic telegraph, experi- 

 ments on 155 



Cable system of river navigation in 

 Germany 83 



Calorimetry, use of electric current 

 in 139 



Calcium lights, use of at St. Louis 

 bridge 104 



Cane sugar in madder 203 



Canal, Suez 73 



" Darien 72 



Capillaries, relation of pigment cells 



to. 



.280 



" Captain," construction of the 82 



" Captain," the 81 



Carbonic acid, physiological effects 



of 287 



Caribbean series of Trinidad 248 



Carbonic acid, reduction of 209 



Cast-iron water-pipes, preservation of 67 

 Cauterization, use of electricity in.. 270 



Cement, glycerine. 



,107 



Changes of level in Mediterranean. .249 



Cliassepot and needle-gun 88 



Chemistry of Bessemer process 177 



Chemical geogeny of silica 196 



" climatology 189 



Chinese gold-lacker 107 



" bronze, malleable properties 

 of 107 



345 



