INDEX 



347 



Girdling fruit-trees s . . .290 



Glaciers of the White Mountains... 231 



thickness of 219 



" descent of 220 



Ghiss manufacture, use of borax in. 106 



Glycerine cement 107 



Gold 205 



" in Scotland 251 



" detection of 205 



" and silver mines of Colorado.. 241 



Gold-lacker, Chinese 107 



" <k grape sugar 205 



Grafting, skin 284 



Grape sugar, estimation of 205 



Graphite in Laurentian rocks 22S 



Groat lakes, geology of 237 



Green glass for dark room of photog- 

 raphers 122 



Guattari atmospheric telegraph 84 



Gunpowder and gun-cotton, com- 

 parative effects of 97 



Gun-cotton vs. gunpowder 97 



Gunnery experiments 118 



Hackling long vegetable fibres 112 



Harbors of India 340 



Hargreaves, chlorine process 169 



" utilization of phospho- 



rus in furnace slag.. .205 

 Heat radiated at low T temperatures. .138 



" 136 



" by means of illuminating gas 64 

 " evolved by invertebrate ani- 

 mals, especially insects 272 



" of combination of boron and 



silicon 181 



High pressure converter 119 



Hoosac tunnel 76, 77 



Horizon, artificial 314 



Hot-house, imperishable 120 



Human breath in health and disease 268 



Hunt, Dr., on iron sand ores 233 



Hydrogenium-amalgam 163 



Hydroxylamine, synthesis of. 209 



Ice, artificial and natural 99 



" machine, Tellier 99 



" sudden breaking up of 142 



Icono-photograph album 284 



India, harbors of 340 



Influence of carbonic acid on coal gas 175 



" of ozone on explosives 202 



" " " picrates 202 



Insect destructive to the silk culture 274 

 Insects, fertilization of flowers by.. .288 

 " imported and native Ameri- 

 can 292 



" heat evolved by invertebrate 



animals, especially 272 



Insoluble dextrine 206 



International communication 77 



Intoxicating fungus 292 



Invention abroad 109 



Inventions, new 121 



Iodine, manufacture of 199 



Iron and hydrogen 200 



" and steel, improvement in enam- 

 elling 55 



" manufacture of Russian sheet.. 29 



" native 255 



" sand ores 233 



" shafts, cutting up large 118 



Iron ships 117 



" transformation of cast 54 



" water pipe, corrosion of. 118 



Irodosmine, fusing. 201 



Isometrical drawing board 123 



Jargonium. 



.106 



Kansas and Missouri bridge 51 



Kent's cavern 251 



Kryptophanic acid 209 



Laurentian graphite of Canada 228 



" rocks of Eastern Massa- 

 chusetts 230 



Lattice girders and solid plates 52 



Lead, native 255 



" in -wine 165 



Leather, artificial 1 13 



Lignite in Italy 250 



Limestone, formation of 215 



Lightning rods. Prof. Henry on 86 



Light, the oxygen 103 



Lighthouse apparatus 117 



Limestones, living organisms in. . . .271 



Lit hofracteur 96 



Locality of asbestus 254 



Lockyer's report on eclipse xvm 



Logwood in wine, detection of. 205 



" in wines 205 



Mains, corrosion of iron, gas, and 



water 58 



Magnesium as reducing agent 201 



Man and the man-apes 297 



Manganese, alloys of 200 



Manufacture of iodine 199 



" ofchlorine 166 



Magic lantern pictures on gelatine.. 119 

 Machines for preparing Rhea grass. .104 



Matrix of gold in Scotland 251 



McCrackeu gas process 172 



Mauvaises terres in Colorado 240 



Mechanical stoking 23 



Mechanics, animal 298 



Mechanical movement, novel 124 



Medicine,value of American hemp in 286 

 Meissner, researches on antozone.. .162 

 Metallic fastenings of ships, action of 



sea water on 79 



Meteorological 316 



Microscopic photography 147 



Modern instances of elevation 250 



Mordant, oxide of zinc as 208 



" new 208 



Mont Cenis tunnel 117 



Movements of chlorophyll 289 



Murchison's address. Sir Roderick.. 318 

 Mud-fish, the new Australian 296 



Naphthaline red 207 



Native iron and lead 255 



Needle-gun 91 



chassepot and 88 



New arms 91 



" Australian mud-fish 296 



" antiseptic 265 



" asteroid 315 



" Cambridge transit instrument.. 3H 



" comets 316 



" dye 122 



" inventions 121 



