148 



INDEX. 



Glaciers, ancient, supposed traces of on the Green 

 and Hoosac Mts., N. England, 134. 



Glaciers, ancient, in Russell and Granville, 134 to 

 138. 



Glaciers, ancient, on Deerfield river, 140. 



Glaciers, ancient, on Queechee river, Vt., 143. 



Glaciers, ancient, supposed moraines of, in Massa- 

 chusetts, 139, 140. 



Glaciers, ancient, do., in Vt., 143. 



Glaciers as agents of erosion, 84. 



Glacier action, how distinguished from that of drift, 

 131. 



Glacis terrace, best type of, in the Alps, 41. 



Glacis terrace, in N. Hampshire and Mass., 24. 



Glenn's falls, gorge at, in N. Y., 117. 



Glencoe, its surface geology, 37. 



Glen Roy, Parallel Roads of, 36. 



Glen Roy, Parallel Roads of, indicate pauses in 

 the vertical movement, 62. 



Green Mts., depressions in, 97. 



Grandfather Bull's falls, on Wisconsin river, 106. 



Grout, Mrs. Lydia B., her description and sketches 

 of erosions in Africa, 120. 



Gulf of Ct. river, below Middletown, 100. 



H. 



Hartwell, Rev. Charles, describes and sketches 

 terraces on Sandalwood Island, East Indian 

 Archipelago, 43. 



High falls, gorge at, 106. 



Highlands of the Hudson, 105. 



Hitchcock, Charles H, measures terfaccs in Ver- 

 mont, 26. 



Hitchcock, Mrs. Edward, discovers a raised beach 

 at Oban, Scotland, 38. 



Historic period defined, 3. 



Heights of terraces and beaches, table of, 76. 



Holyoke and Tom, erosions between, 99. 



Hot Spring Gate, Rocky Mts., 114. 



Hubbard, Prof. O. P., on the Dixville Notch, 88. 



Hygeia, mount, in Pelham, 16. 



Icefloods as agents of erosion, 85. 

 Ideal section across a valley, 8. 

 Ireland, surface geology of, 35. 



Jordan river, gorges on, 122. 



K.. 



Kangaroo valley, in N. S. Wales, 114. 

 Karzaan defile, on the Danube, 117. 

 Kenawha, Great, terraces along, 30. 

 Kilburn Peak, its height, 25. 

 Kilburn Peak, erosions at, 97. 

 Kilburn Peak, named by the Senior Class of 1857, 

 in Amherst College, 97. 



Leman lake, terraces around, 40. 



Life hardly present during the drift period, 65. 



Little river, gorge", on, 101. 



Little, river, glaciers once in its valley, 135. 



Little falls, N. Y., gorge at, 106. 



Litany, gorge and natural bridge on, 118. 



Locke, Prof. John, on denudation in Ohio, 86. 



Loess or Limon, of the Rhine, 9. 



Loraine and Redmond, N. Y., gorges or canons 

 at, 114. 



Lucerne, terraces near, 40. 



Lyell, Sir Charles, on terraces, 1. 



Lyell, Sir Charles, on mounds produced by ice, 60. 



Lyell, Sir Charles, on surface geology, 74. 



Lyell, Sir Charles, on denudation in Ohio, 86. 



Lyell, Sir Charles, on the paucity of organic re- 

 mains in drift, 65. 



Lyell, Sir Charles, great value of his labors, 62. 



M. 



Maclagan, Robert, on a gorge in India, 106. 



Macculloch, Dr., on terraces generally, 1. 



Macculloeh, Dr., on terraces in Scotland, 37-' 



Man, time of his first appearauce, 64. 



Maps of New England defective, 12. 



Map of Massachusetts the most accurate, 13. 



Marcy, Capt. R. B., his description of a Canon on 



Red river, in Texas, 113. 

 Mastodon, its bones at Newbnrg, N. Y., 65. 

 Materials of terraces, origin of, 8. 

 Materials of terraces, arrangement of, 9. 

 Materials of terraces, sorting of materials, 9. 

 Merrimack, terraces on, 26. 

 Mettawampe, gorge at, 99. 

 Mississippi river, its delta, 92. 

 Mississippi, valley of, eroded by water, 116. 

 Monadnoc Mt., stria? upon, 69. 

 Mokelumne river, in California, its gorge, 107. 

 Moraine terraces, localities of, 33. 

 Moraine terraces require more than water to form 



them, 33. 



