362 



The Realm of Nature 



The Figures refer to the sections. 



Axis of continents, 356 ; of the 



Earth, 90 

 Azote, see Nitrogen 



BAIKAL, Lake, 333, 382 



Balkan Range, 385 



Balkash, Lake, 382 



Baltic Sea, 216, 238, 325, 388 



Bangweola, Lake, 376 



Banks, submarine, 325 



Bantu race, 423 



Barograph, 439 



Barometer, 146, 439 



Barrier reefs, 280 



Bars of rivers, 325 



Basalt, 290, 294 



Bases, 44 



Basin, Australian, 371, 372 



Basin, the great, 365 



Basins, river, 319 ; see also Ocean 



Bayous, 324 



Beaches, formation, 265 ; raised, 



284 



Benguela current, 243, 245 

 Bermuda Islands, 279, 307 

 Biela's comet, 135 

 Black Forest Mountains, 385 

 Black Sea, circulation, 238 

 Black type of mankind, 423 

 Blow-holes, 266 

 Blue mud, 270 

 Bode's Law, 129 

 Bohemian Forest Range, 385 

 Boiling, 70, 72 

 Bonneville, Lake, 365 

 Bore, the tidal, 219 

 Boreal group of plants, 405 

 Boulder clay, 338, 368, 389 

 Boyle's Law, 148, 163 

 Brahmaputra River, 380, 383 

 Brazil, High Plain, 359 

 British Islands, climate, 202-204 ; 



surface, 389-392 

 Buys Ballot's Law, 192 



CAINOZOIC rocks, 350 

 Calcareous organisms, 273 



Cambrian rocks, 346 



Canals, 432 



Canons, 328 ; submarine, 326 



Capacity for heat, see Specific 



heat 



Capillarity, 39, 310, 314 

 Carbonic acid, 154, 294, 317, 



399, 400 

 Carboniferous rocks, 347, 366, 



37i. 390. 39i 



Carpathian Mountains, 385 



Cascade Range, 364 



Casiquiare River, 360 



Caspian Sea, 333, 335, 382, 387 



Caucasus Mountains, 379 



Cause and effect, 16 



Cavendish experiment, 85 



Caverns, 317 



Cells, 398 



Centigrade scale, 440 



Centrifugal and centripetal migra- 

 tions, 428, 429 



Centrifugal force, 51 



Chalk Ridge, 391 



Challenger expedition, 183, 188, 

 251, 268 



Charlestown earthquake, 301 



Chlorophyll, 399 



Circulation, atmospheric, 176, 

 177 ; of deep lakes, 228 ; of 

 enclosed seas, 237, 238 ; of 

 water by wind, 240-242 



Cirrus cloud, 168 



Civilisation, 420 



Classification, 4, 13 ; of animals, 

 395, 397 ; of elements, 47 ; of 

 plants, 395, 396 ; of stars, 138 



Clay, 311 



Cleavage of rocks, 290 



Climate, 125 ; of British Islands, 

 202-204; of Earth, 186-201 



Cloud-bursts, 210 



Clouds, 167, 168 



Coal, 29, 347 



Coast Range, 364 



Cohesion, 39 



Colorado River, 327, 329, 364 



