Index 



3 6 9 



The Figures refer to the sections. 



Vapour pressure, 157, 158 



Variation, magnetic, 98 ; bio- 

 logical, 403 



Venus, 127 



Vernal equinox, 121 



Victoria desert, 406 



Victoria Nyanza, 375 



Volcanic action, 293 ; eruptions, 

 296 ; materials, 272, 294 



Volcanoes, 295, 298 



Volga River, 387 



Volume, 29 



WATER, 66, 69-71, 220; work 



of, in Nature, 293, 309 et seq. ; 



313. 3i8 

 Watershed, 319 

 Waterspouts, 210 

 Water-vapour, 71, 156, 157 

 Wave-length, 62 ; motion, 57, 



61 ; sea waves, 239, 265 

 Weather, 207 ; charts, 211 ; 



forecasts, 212 

 Weathering of rocks, 310 

 Weight, 38 

 Weights, 437 

 Wells, Artesian, 314 

 Whirlpools, 219 

 Whirlwinds, 209 



White type of mankind, 425 



Wind, 175 ; in British Islands, 

 202 ; and currents, 242 ; pre- 

 vailing, 193 - 198 ; work of, 

 307. 308 



Windings of rivers, 323 



Winnipeg, Lake, 368 



Winter solstice, 123 



Work, 49, 52 ; of rivers, 327-331; 

 of wind, 307, 308 



World ridges, 256 



Wrinkling of Earth's crust, 302 



Wyville-Thomson ridge, 246 



YANG - TSE - KIANG, 219, 319, 



380 



Year, no 

 Yeast, 401 



Yellow River, 324, 331, 380 

 Yellowstone Park, 316, 364 

 Yellow type of mankind, 424 

 Yenisei, river, 382 

 Yukon, river, 364 



ZAMBESI, river, 374 



Zodiac, 112 



Zones, of climate, 125 ; of vege- 

 tation, 405 ; of winds and 

 calms, 178 



THE END 



Printed by R. & R. CLARK, Edinburgh 



2 B 



