INDEX 



373 



Electric light IS.') 



tlectrical engine 63 



" experiment 183 



" thermometer .... 154 

 " treatment of tumors . . 175 

 Electrlcit}' action of, on photo- 



.grapliic films . . . 144 

 " cdllecred from the air. 184 



*' of steam 184 



" quantity increased by in- 

 duction coils .... 174 

 " vs. boiler incrustation . G7 

 " will not pass in a vac- 

 uum 174 



Electrolysis of water 218 



Electroplating on paper . . . .219 

 Elements of machinery, museum 



of XIV 



Ellershausen process for making 



steel 122 



English ordnance 110 



Engine, electrical 63 



" solar, Ericsson's .... 64 



" Hugon gas 72 



Ericsson's solar engine 64 



Eruption at Hawaii 265 



" of Mount Etna .... 264 



Esquimaux 333 



Ethnology vs. architecture . . . 3G6 

 " " philology . . . .361 



Etna, eruption of 264 



Eustachiaa tube in swallowing . . 325 



Evaporation rs. trees 183 



Expedition, Arctic, German . . . 365 



" " Swedish . . .366 



Eyes of vertebrates 332 



Fall of the leaves, cause of . . .323 

 Fate of Sir John Franklin . . . 365 

 Fauna of bone caves of Brazil . . 259 

 " " " " France, an- 

 cient 258 



Fermentation 191 



Ferments, organic 304 



Fertilization of plants 335 



Fins of fishes 313 



Fire, Greek 114 



Fire-damp, death by .329 



Fire-proof floors 59, 100 



" safes 103 



Fires, how to extinguish .... 152 

 Fishes, fossil, vast number of . .273 

 " variation in the fins of . .313 

 " vertebral appendages, ho- 

 mologies of 303 



Flames, source of light in ... . l:'.5 



Flint implements 361 



Flora, Arctic, miocene 273 



Floors, fire-proof 59, 100 



Food, estimated in liorse power . 284 



" vs. respiration 283 



" vs. work 2S1 



" waste, utilization of ... 77 



Force of water 130 



Forces, molecular 274 



Forest bed 245 



Formation of the diamond . . . 220 

 Fossil fishes, vast numbers of . . 27.3 



" man 257 



" trees and plants . . . 2.36,238 



Fossils, ('ambrian 273 



" of carboniferous limestone 'J40 



32 



France, ancient fauna of ... . 258 

 Fr:inklin. Sir .loliu, fate of . . . 365 



Free acid, test for 229 



Freezing mixtures 156 



Fresh meat, supply of 74 



P rozen potatoes, sweet principle of 219 



Fuel, composition 102 



" liquid, 09 



" petroleum, 08 



" pulverized, 66 



Fungoid origin of dii^eases . 301, .302 

 Furnaces, for 1. on, improved . . 19 



Galibert's apparatus, improved, . 228 



Galvanic batteries, new forms of . 176 



" current, constant . . . 159 



" " rs. tenacity of wire 162 



" deposition of iron ... 87 



Galvanometer, delicate 165 



Gamgee's process for preserving 



meat 75 



Gas engine, 72 



Gas, improvement in generating . 10 i 



Gas-light, oxygen 210 



Gas-signal, electric 227 



Galling gun, 121 



Gems, artificial 231 



Geography of Abyssinia .... 352 



" " Alaska 351 



Geology, East Anglian 245 



" of China 250 



** of Russian America . . . 254 

 German Arctic Expedition . . . 365 

 Giffard injector, principle of . . . 61 

 Glacial action in Maine .... 240 

 Glass, for chemical purposes . . . 194 



" fusion of 182 



" method of cutting . . 100, 154 

 *' perforation of by the electric 



spark 183 



" pliable 147 



Glucosuria 326 



Glue, liquid, 100 



" new preparations of . . . .101 



Glyphography 141 



Gold fields of South Africa . . . 272 

 " " " Venezuela .... 200 



Gold, mosaic 107 



Grain, proper use of 298 



Granulations, molecular .... 304 



Greek fire 114 



Green rotten wood 193 



Greenland 2(54 



Gun, Armstrong 114 



" Gatling 121 



Gunboat, new 108 



Guns, hand vs. shoulder .... 112 



Haematoidin 328 



Hair, of human races 318 



" vegetable 98 



Hair-cutting, by machinery ... 100 



Hand guns 112 



Hansen's theory of the moon . . 3:'.8 



Hawaii, eruption at 265 



Heat, from burning gases .... 153 



" " friction 182 



'* " magnetism 183 



" of sun, annual amount of . .182 



" vs. mental work 2^5 



Heavy locomotives CO 



Heights of volcanoes 256 



