XV111 



LIST OF ILLUSTRATIONS 



FIG. 



29. Natural Bridge, Virginia ....... 



30. Arrangement of strata which causes hillside springs 



31. Diagram of fissure-spring 



32. Au Sable Chasm, N.Y 



33. The Dalton Glacier, Alaska ...... 



34. Crevasse in a glacier, partly concealed by a snow-bridge . 



35. Vegetation growing on the Malaspina Glacier . 



36. Nunatak rising through the ice cap, Greenland 



37. Edge of the Greenland ice-sheet, with a glacier descending from it 



38. Rock polished by glacial ice, near Englewood, N.J. 



39. Scored and smoothed limestone from Montreal, Canada . 



40. Side of trough cut by glaciers in the limestone of Kelly's Island 



41. Front of Bowdoin Glacier, Greenland .... 



42. A rocky shore, coast of Maine ..... 



43. Coast of Scotland, showing effects of marine erosion 



44. Old lake terraces, western New York .... 



45. Beach on Lake Ontario . 



46. Sand dune on the coast of Rhode Island 



47. Sand dune, showing wind-ripples ...... 



48. Ideal section through Mammoth Hot Springs ... 



49. Travertine terrace of the Mammoth Hot Springs, Yellowstone 

 5.0. Crater of Castle Geyser, Yellowstone Park 



51. Great Dismal Swamp . * 



52. Alluvial cone, Wasatch Mountains, Utah 



53. Mountains nearly buried under old lake deposits; plain of 



Lake, Utah . . . 



54. Map of Lake Bonneville . 



55. Island of calcareous tufa, Pyramid Lake, Nevada . 



56. Calcareous deposits in Mono Lake, California . 



57. Glacier des Bossons, Switzerland ..... 



58. Perched block of sandstone resting on trap, Palisade Ridge, N.J 



59. Perched block, near the Yellowstone Canon, National Park 



60. River issuing from the Malaspina Glacier, Alaska 



61. The Chaix Hills, Alaska. Moraine material stratified by water 



62. Deposit partly made by stranded ice, west coast of Greenland 



63. Basin of the Gulf of Mexico 



64. Littoral deposits on the west coast of Greenland 



65. Diagram illustrating the change of materials on the sea-bottom 



66. Patch of corals on the Great Barrier Reef of Australia . 



67. Corals on the Great Barrier Reef of Australia 



68. Various forms of modern coral limestone .... 



Park 



Salt 



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