216 
ON THE GEOLOGY AND NATURAL HISTORY 
Green river, 121. 
Green river mountains, 119. 
Green river valley, 105. 
Grindstone hills, 105. 
Gros Yentres fork, 122. 
Guadalupe mountains, 38. 
Gulf States, ISO. 
GrypJicea vesicularis, 81. 
Gypsum-bearing beds of Kansas, 
56. 
General description of Kansas, 59. 
Hall, Prof., 4, 87, 39. 
Hamites ) 82. 
Harris, Mr. Edward, 8. 
Hawn, Mr., 38. 
Heer, Dr., 180. 
Helcion , 85. 
Helena, 66. 
Helicidce, 102. 
Helicoceras , 82. 
Helix , 102, 101, 105, 181. 
Henry, JProf., 131. 
Hettangia, 68, 88. 
Higbwood Mountains, 119. 
Hines, Dr., 127. 
Hippariorij 13, 106. 
Hipponyx , 85. 
Hippotherium, 106. 
Hippuritidce , 91. 
Hornblende, steel gray, 18. 
Horseshoe creek, 16. 
Hycenodorij 107. 
Hydrated peroxide of iron, 76. 
Hyopotamus, 106. 
Hypohippus , 106. 
Hyracodon x 106. 
HystriXy 107. 
Hystricops, 107. 
Illinois, Permian fossils of, 38. 
Impressions of leaves, fossil, 9. 
Indianola, 39. 
Inoceramus , 21, 89. 
Inoceramus problemaiicus , 10, 69, 
81,89. 
Introduction, historical, 1. 
Inyankara Paha, or Stone Peak, 24. 
Iowa report, 39. 
Isbister, Mr., 36. 
Ischyromys, 107. 
Jschyrotheriu m, 101. 
Isthmus of Darien, 126. 
Jackson’s hole, 119. 
James river, 69. 
Jefferson fork, 121. 
Johnson, Prof., 3. 
Judith mountains, 34, 120. 
Judith river, 109. 
Jura of Europe, 67. 
' Jurassic System, treated of, 67. 
Zone around Black Hills, 27. 
Jurassic, 16, 22, 23, 24, 25, 26, 
27, 33, 56, 67. 
Kansas, 38, 39 v 
Keuper (Upper Trias), 123. 
King, Prof., 61. 
Lake Superior, 36. 
Lake Utah, 122. 
La Bonte creek, 120. 
Lamellibranchiata , 65. 
Laramie range, description of, 17. 
Laramie range, beautiful valleys of, 
17. 
Laramie Peak, 18, 35. 
Last creek, 46, 47. 
Lawrence, 39, 43. 
Leavenworth City, 39. 
Leda, 50, 90. 
Ledidee, 90. 
Leidy, Prof., 3, 
LeptarctuSj 107. 
Leptauchenia , 106. 
Leptochcerus , 106. 
Leptodomus , 40. 
LeptomeryXj 106. 
Lewis and Clarke, 1, 2. 
Lias, 68. 
Lignite Tertiary beds, 16, 28, 92, 
93, 94, 129,130. 
Lignite, cretaceous, 71. 
Lime, sulphate of, 73. 
Limestone, magnesian, 51. 
Limestone, gray, 74. 
Limestone, carboniferous, 6, 28. 
Limestones, fused, 19. 
Limits of some forest trees, 10. 
Limnea , 3, 102, 104, 180. 
Limopsis, 90. 
Limncedm, 102. 
Lingula , 25, 37. 
Little Missouri river, 100. 
Little Bocky Mountain creek, 34. 
Little Stranger creek, 42. 
Lodge Pole creek, 115. 
Loess of the Rhine, 104. 
Long Lake, 69. 
Lost Spring, 39. 
Loup fork, 11. 
Section of beds, 12. 
Loup fork, geology of, 13. 
Lucina , 88. 
Lucinidce, 88. 
Lunatia, 84. 
Machairodus , 107. 
Mackenzie river, 99. 
MacrocJieilus , 22. 
Macrobacia , 91. 
Mactra , 72, 87. 
Madrid cb^ 87. 
Madra , 87. 
Madison fork, 119. 
Margarita , 85. 
Margaritella , 85. 
Mammalian remains, 15. 
Manhattan, 51. 
Marcon, Jules, 37. 
Marl, calcareous, 74. 
Martinia Clannyana , 55. 
Mastodon , 13, 106. 
Medicine Bow mountains, 119. 
Medicine Hills, 33. 
Meek, F. B., 4. 
MegalomeryXj 106. 
Melania , 101. 
Melaniadce , 101. 
MerychippuSj 106. 
Merychyus, 106. 
MerychochceruS) 14, 106. 
Merycodus , 106. 
Meretrixj 88. 
Metamorphic rocks of Black Hills, 
14. 
Mexico, 36. 
Microbacia coranula , 81. 
Milk river, 69. 
Mill creek, 46. 
Minnesota , 80. 
Miocene beds, 14, 104. 
Upper Miocene, 13. 
Mission creek, 45. 
Mississippi, 115. 
Missouri river, 1. 
Modiola , 89. 
Moreau trading post, 69. 
Moreau river, 77, 80. 
Morton, Dr., 2, 3. 
Mosasaurus Maximiliani ? 2, 91. 
Mud island, 37. 
Multungula ) 106. 
MurcJiisonia , 46. 
2 3 4 5 6 7 8 9 10 Missouri 
Botanical 
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