412 



Hudson River formation, 112. 

 Hudson River shale, 27, 113. 

 Hunt, T. Sterry, 37, 45. 

 Huyett, 105. 



Fossils from, 291, 293, 294, 299, 302, 

 327, 331, 364. 



I 



Illinois, Fossils from, 320. 

 Illustrations, 15. 

 Introduction, 23. 

 Iowa, Fossils from, 268, 320. 



James, U. P., cited, 260. 



Jandorf, M. L., 44. 



Jefferson, Thomas, 34. 



Jordan Knob, Pa., 168. 



Fossils from, 169, 205, 210, 211, 212, 

 214, 221, 222, 225, 237, 242, 245, 

 251, 253, 255, 260, 265, 276, 279, 

 280, 286, 296, 297, 311, 315, 324, 

 334, 335, 343, 356, 367, 370, 372. 



Juniata formation, 49, 156, 157, 168, 170. 



Juniata shales, 161. 



K 



Kauffman, Pa., 123, 139. 



Fossils from, 231. 

 Keedysville, 58, 60. 



Keith, Arthur, 32, 34, 39, 40, 57, 59, 67. 

 Kentucky, 315, 327. 



Fossils from, 195, 197, 224, 230, 272, 



300, 301, 309, 315, 327. 

 Kentucky River, 118. 

 Keyes, C. R., 34, 39, 112, 113, 



Cited, 111. 

 Kittatinny limestone, 76, 99. 



Fossils from, 100. 34B. 

 Kuckers shales, Fossils from, 228. 



Lake Champlain area, Fossils of, 261, 



271, 310. 



L/apparent, A. de, 27. 

 Lapworth, Charles, 26, 27. 

 Le Gore, 111. 



Exposures at, 115, 116. 

 Lebanon limestone, 118. 



Fossils from, 229. 

 Lehigh Valley, 76, 120. 

 Leitersburg, 82, 86. 



Lenoir limestone, 118, 120, 126, 129, 261. 

 Lesley, J. P., 38, 40. 

 Licking Creek, Pa., Section of, 95. 



Little Antietam Creek, 66. 



Fossils from, 234. 

 Little Falls dolomite, 74. 

 Llandovery Group, 25. 

 Lorraine, N. T., Fossils from, 289. 

 Loudon formation, 48, 53, 54, 88. 



Conglomerates of, 54. 



Thickness of, 53. 

 Loudon slate, 54. 

 Lower Cincinnatian shales, 167. 

 Lower Martinsburg shale, Fauna of, 165. 

 Lower Maysville, 156, 157, 160, 161, 170, 



171. 



Lower Medina, 171. 

 Lower Ozarkian, 83. 

 Lower Stones River, 122. 



Fauna of, 122. 



Thickness of, 123. 

 Lower Trenton, 156. 



Fossils from, 216. 

 Lowville age, 133. 

 Lowville limestone, 136, 151, 153. 

 Ludlow. 26. 



M 



McConnellsburg, 160, 169, 172. 



Fossils from, 221, 222, 225, 237, 242, 

 251, 253, 265, 266, 272, 275, 276, 

 282, 283, 284, 285, 287, 288, 289, 

 290, 296, 311, 325, 334, 356, 372. 

 Macfarlane, J. R., 39. 

 Maclure, William, 35. 

 Maclurea limestone, 298. 

 McMillan formation, 161, 171. 

 McMullen, H. A., 5. 

 Mapleville, 59. 

 Maquoketa shale, 320. 

 Mnrcou, Jules, 36. 

 Marion, Fossils from, 202, 273. 



Section at, 145, 146. 

 Martinsburg, W. Va., 122, 123, 133, 140, 



154. 



Martinsburg shale, 49, 110, 129, 130, 142, 

 143, 145. 146, 147, 148, 149, 150, 151, 

 154, 157, 160, 161, 171. 

 Areal distribution of, 161. 

 Faunas of, 163, 164. 

 Lithologic character or, 157. 

 Section of, 157. 

 Topographic features of, 161. 

 Martinsburg shale belt, 77, 89, 94, 103. 

 106, 191. 



Section east of, 144. 

 Massanutten Mountain, 154. 

 Massanutten syncline, 80, 81, 130, 154, 



156. 158, 160, 161, 165. 

 Mathews, E. B., 7, 9, 43. 



