INDEX. 



437 



PAGE 



FOGS 225,226 



arrest sound 413,414 



cause of 129 



differs from cloud 



128, 227 



mist 227 



dispersed by wind 228 



by sun 227 



frozen 231 



in autumn 228 



in marshes 226 



valleys 228 



none in afrosty'night 227 



Food converted to blood 242 



cooled by the breath 312 



Foot-prints frozen .... 350 



Foot warmers 173 



Forked lightning . . 5 

 dangerous 5 

 Forests catch fire spon- 

 taneously 102 



France warmer than of 



yore 162 



FREEZING MIXTURES 360 



FRICTION (see rubbing) 98 



excites electricity 29 



sets forests on fire 102 



Frogs cold 94 



FROST affects barometer 329 

 sound 414 



braces 147 



breaks ewers 349 



tiles, stones, rocks 350 



pipes 851 



cracks earth .... 357 



expands water . . 352 



prevents fog 227 



warm 356 



Froth of beer 269, 350 



PACK 



Frozen ruts and foot- 

 prints 350 



Fruits cool the blood . . 92 

 fall to the earth ..419 

 pleasant in summer 92 

 Fuel for the body .... 87 

 Fumigation for sick 



rooms 421 



FUR, bad conductor .. 166 



for clothing 175 



warm 171 



Furnaces of brick .... 174 

 lined with clay 174 



Furr of kettles 262 



steam engines dan- 

 gerous . 263 



Gallery hot 249, 316 



Gas 112 



of candles 281 



Gauze wire of safety 



lamps 282 



prevents explosion 282 

 German silver tarnishes 260 



German tinder 102 



Germany warmer than 



of yore 162 



Ghosts 286 



Gideon's miracle 211 



Ginger pop 268 



acid 269 



GLASSES broken by hot 



water 125 



covered with mist 214 

 which soon sub- 

 sides 215 



dulled by a hot hand 215 

 by breath, &c. 215 

 See spectacles. 



pad 



