150 



INDEX. 



Saint Anthony's falls, gorge below, 117. 



Saint Louis river, gorge on, 114. 



Sandalwood Island, terraces on, 43. 



Scotland, terraces and ancient beaches in, 36. 



Sea bottoms and submarine ridges, 2. 



Sea bottoms and submarine ridges defined, 4. 



Sea bottoms described and localities, 44. 



Section, ideal, across a valley, 8. 



Sections of terraces and beaches, 14. 



Sections in basin No. 1, in Connecticut valley, 14. 



Section of terraces Nos. 1 and 2, 1 4. 



Section of terraces Nos. 3, 4, 5, 6, and 7, 15. 



Section of terraces Nos. 8, 9, and 10, 16. 



Sections in basin No. 2, studied more carefully 



than in other basins, 16. 

 Section No. 11, in Amherst and Pelham, It. 

 Sections Nos. 12 and 13, 18. 

 Sections Nos. 14, 15, and 16, 19. 

 Sections Nos. 17, 18, 19, and 20, 20. 

 Sections Nos. 21, 22, 23, 24, and 25, 21. 

 Sections in basins Nos. 3 and 4, 21. 

 Sections in basin No. 5, 22. 

 Sections Nos. 26 and 27, 22. 

 Section No. 28, 23. 

 Sections Nos. 29, 30, and 31, 24. 

 Sections of terraces in basin No. 6, 25. 

 Section No. 32, 25. 

 Section No. 33, 26. 

 Sections Nos. 34, 35, and 36, 27. 

 Sections Nos. 37 and 38, 28, 29. 

 Section of terraces from Ct. river to N. London, 



29. 

 Section in Genesee river, N. Y., at Mount Morris, 



No. 40, 30. 

 Sheen river, in Koordistau, gorge on, 118. 

 Shelburne falls, 27. 

 Slide in La Fayette Mt,, N. H., 67. 

 Sodom Mt., Mass., moraine terraces on, 33. 

 Snowdon, its height by Aneroid, 10. 

 Snowdonia, its surface geology, 34. 

 Stanley, Mr., his description of the Grand Canon 



on the Canadian, 113. 

 Striaa, supposed of ancient glaciers on Tekoa Mt., 



137. 

 Stria?, supposed of ancient glaciers on Pocomtuck 



Mt., 142. 

 Submarine ridge at Newburyport, ancient, sup- 

 posed, 44. 

 Sugar Loaf Mt., erosion at, 99. 

 Superior, Lake, terraces around, 31. 

 Surface geology, in Europe : in Wales, 34. 

 Surface geology, in England and Ireland, 35. 



Surface geology, map of, in the Connecticut val- 

 ley, 13. 

 Switzerland, surface geology in, 39. 



T. 



Table Mt., in South Africa, 120. 



Tabular view of the heights of terraces and beaches, 



78. 

 Tekoa, Middle Tekoa and South Tekoa, 135. 

 Tekoa, Middle Tekoa and South Tekoa, the seat 



of ancient glaciers, 135. 

 Terraces and terrace period, 2. 

 Terraces and beaches, in the Connecticut valley, 3. 

 Terraces, lateral, delta, gorge, and glacis defined, 5. 

 Terraces, lake and maritime, 5, 6. 

 Terraces, moraine, 6, 7. 

 Terraces, lithological characters of, 6. 

 Terraces, arrangement of their materials, 9. 

 Terraces, stratification and lamination of, 9. 

 Terraces, sorting of their materials, 9. 

 Terraces, how exhibited on the maps, 13. 

 Terraces, their heights, Table of, 14. 

 Terraces, their slope down stream, 15. 

 Terraces, their slope towards the stream, 23. 

 Terraces, a tongue of, in Deerfield and Westfield, 



18. 

 Terraces extend sometimes from one river basin 



into another, 21. 

 Terraces chosen as the sites of towns, 26. 

 Terraces in the Connecticut valley described, 11. 

 Terraces out of Ct. valley but in N. England and 



N. Y., 26. 

 Terraces on Merrimack river, 26. 

 Terraces on Ammonoosuck river, 27. 

 Terraces on Waterquechee river, 27. 

 Terraces on western rivers and lakes, 30. 

 Terraces around Lake Superior, 31. 

 Terraces on St. Peter's river, 32. 

 Terraces on the Ohio and Great Kanawha, 30. 

 Terraces on the Jordan, in Palestine and the Dead 



Sea, 32. 

 Terraces in Scotland, 36. 

 Terraces on the Phine, 38. 

 Terraces on the Aar, Reuse, and Liramat, and 



Lake Zurich, 39. 

 Terraces on Lake Leman, 40. 

 Terraces on the Arve, 41. 

 Terraces on the Rhone, and the Eau Noire, 42. 

 Terraces in France, Scandinavia, and East Indian 



Archipelago, 43, 66. 

 Terraces, delta and moraine, 32. 

 Terraces, delta and moraine, localities of, 33. 

 Terraces, glacis, in the Alps, 41. 



