384 



INDEX. 



Thermometers, 71, 91, 151, 199 

 'I'ldes, 2, 180, 374, 375 

 Torricellian vacQum, 90 

 Trade winds, 173. 345 

 Trafalgar Square f junta'.ns, 33 

 1'ravertine, 121 

 " Tripoli," 230 

 Tropics, the, 130, 356 

 Turf, 233 



U 



Upheaval of land, 186, 218, 302 



Valley-gravel, 28 

 Vapour, 66, 67, 86 

 Vesu.'ius, 192, 195 — 198, 203 

 Victoria Nyanza, 309 

 Volcan.c dust, 191 



bombs, 193 

 Volcanoes, 185 



W 



Wales, 12. 46, 130, 236, 243, 244 

 Wandle, th;, 139, 280 

 Wandsworth Common, 139 

 Water, at London Bridge, &c., 2 — 4 



in the atmosphere, 40 



from the chalk, &c. , 37 



crys:allizatijn of, 55 



chemical composition of , 100, 106, 115 



decomposition of, by electricity, loi : 

 by sjd.um, 107 ; by heated ir^n, 108 



action of heat on, 105 



formation of , 112 



analyses of, 118 



hard and soft, 119, 120 



Water, salts of, lime in, 120 



orgausm; in, 125 



i-Tipurities of, 126 



mud in suspension in, 130 



carrying power of, 133 



contracLion of, 152 



ice m, 177 



freez.ng-point of, 178 



high and low, 180, 373 



distribution of, 294 



area of, 315 

 " Water-dust," 41 

 Water-partings, 18, 19 . 

 Watershed, 18 

 Water-works, 120 

 Waves, 167, 172, 374 

 Weather-charts, 92 

 Wells, 28, 36, 126 



bonngs for, 32, 273 



artesian, 33 

 Westminster, former water-supply of, 28 

 Wey, the, 5 

 " White coal," 240 

 Wight, Isle of, 214 

 Wimbledon ComTion, 139 

 Wmdruih, the, 5 

 Winds, 42, 173, 344 

 Winds jr, 3 

 World, map of the, 304 



Yellowstone Park, Colorado, 202 



Zenith, 323 



Zermatt, glacier of, 156 



Zones, 356 



PRESENTED 



THE END. 9 AUG 1943 



LONDON:. R. CLAY, SONS, AND TAYLOR, SSREAD STREET HILL. 



