ILL USTRA TIONS xxi 



PAGE 



River Meandering in its Flood Plain 337 



Levee of the Lower Mississippi ........ 338 



Levee along the Sacramento ........ 339 



An Old River 340 



Results of a Sudden Flood .341 



River Terraces 344 



Intrenched Meanders ......... 345 



Alluvial Cones 347 



Fan-filled Valley 348 



Lake Delta 349 



Cone-shaped Delta in Lake Geneva ....... 350 



Lake Brienz from above Interlaken 351 



The " Soo " Canal at Sault Ste. Marie . . . . . . 355 



The Jetties of the Mississippi 356 



Delta Land of the Lower Mississippi 356 



The Columbia River and its Old Flood Plain 357 



The Colorado River 359 



Snow Crystals 363 



Snow Field at the Head of.a Glacier 364 



The Corner Glacier 365 



Crevasses in a Glacier ......... 365 



The Coe Glacier, Mount Hood .... .... 366 



The Dana Glacier in the High Sierras . . .. .. . . 367 



The Fiesch Glacier . . . . ; i . . . . 368 



A Terminal Moraine . . . . .-.'. . . . 369 



A Bowlder borne along on Top of a Glacier . . '. '. . 369 



A Stone scratched by a Glacier . '-/. ;-*'-v v .;, .. . . 370 



Rocks polished by a Glacier . .* . . : Y ' . . . 370 



Mount Hood . . . * . . .. . ., ". . . . 371 



A View of the Jungfrau . . . '. . . .' . ' . 372 



An Iceberg . . ; . . . 373 



Bowlders and Sand left by a Retreating Glacier . . . t . 374 



A Drumlin ... . . 375 



An Esker . . . ... . . . * . ..... 376 



Glacial Rock Lake 377 



A V-shaped Valley in Norway "... 378 



A Hanging Valley v . 379 



A Huge Perched Bowlder 380 



Marjelen Lake 381 



Niagara Falls . .382 



Electric Plant at Niagara 385 



Tree being dug up by the Wind . . . . . . . 387 



