GENERAL INDEX 



413 



Mnugansville, 128. 



Fossils from, 238, 247. 

 Mayhill sandstone. 26. 

 Maysville age. 163. 



Maysville division, Fossils of. 168, 170. 

 Meek. F. B., cited, 236, 253, 275, 279. 

 Mercersburg, Pa., 147. 



Fossils of, 166. 



Section 2% mi. S. B. of, 151. 

 Mercersburg Quadrangle, Fauna of, 165. 

 Middle Chazy limestone, 126. 

 Middle Chazyan, Fossils from, 328. 

 Middle Chazyan faunas, 127. 

 Middle Cincinnatian division, 168. 

 Middle Ozarkian formation, 83. 

 Middle Stones River, 124, 126. 



Fauna of, 124. 



Middleville, Fossils from, 234, 330. 

 Miller, S. A., cited, 245, 251, 324. 

 Millers Chapel, 86. 

 Mingan Islands, Fossils from, 196. 

 Minnesota, Fossils from, 197, 216, 217, 

 218, 224, 228, 230, 232, 249, 258, 268, 

 315, 333, 349. 

 Mississippi River, 136. 

 Mississippi Valley, 139. 



Fossils from, 203, 219, 241, 248, 263, 



273, 278. 



Mitchlll, S. L.. 35. 



Mohawk Valley, Fossils from, 303, 304. 

 Mohawkian age, 117. 

 Mohawkian rooks, Fossils from, 198. 

 Mohawkian series, 156. 

 Montalto Mountain, Pa., 57. 

 Montalta quartzite member, 57. 



Thickness of, 57. 

 Moore, E.'S., 44. 

 Mosheim limestone, 118. 

 Murchison, Sir R. I., cited, 25, 26. 

 Murfreesboro limestone, 118, 120. 



N 



Narraway, J. E., 351. 



Cited, 348. 

 Nason, F. S., 87. 

 National Highway, 97, 330, 363. 



Exposure along, 105. 

 New Brunswick, Fossils from, 246. 

 New Jersey, 76. 99, 120. 



Fossils from, 100, 195, 197, 232, 234, 

 246, 268, 270, 306, 307, 346, 351, 

 353. 



New Mexico, Fossils from, 238. 

 New York. 90. 99, 118, 120, 126, 171. 



Fossils from, 100, 191, 202, 231, 232, 

 234. 238, 239, 248, 254, 257, 270, 

 273, 277, 278, 281, 282, 284, 285, 

 291. 306. 307, 321, 323, 325, 326, 

 327, 328, 329, 333, 346, 354, 359. 



Newfoundland, Fossils from, 246, 294, 



297, 299, 341. 

 Nicholson, Dr., cited, 193. 

 Nidulites bed, 132, 133, 140. 144, 145, 



146, 147, 148, 149, 150, 151, 152, 153, 



154. 



Fauna of, 141. 

 Nittanny dolomite, 101. 

 Xittanny Valley, 101. 

 Norfolk and Western Railroad, 85, 190. 

 Normanskill, Fossils from, 206. 

 North Mountain, 73, 110, 133, 147, 156, 



163. 



Observatory Hill, 60. 

 Ohio. 67. 



Fossils from, 233, 281. 

 Ohio Valley, 160, 161. 



Fossils from, 202, 203, 211, 214, 215, 

 221, 222, 231, 237, 248, 253, 255, 

 260, 272, 273, 278, 282, 283, 284, 

 285, 312, 315. 

 Oneida conglomerate, 170. 

 Ontario, 90. 



Fossils from, 234, 333. 

 Oolites, 78, 86, 93. 

 Orbigny, Alcide d', cited, 26. 

 Ordovician, 23, 26. 



Columnar sections of, 48, 49. 



Correlation table of, 50. 



Geology of, 24. 



History of, 25. 



Paleogeography of, 45. 



Paleontologic characteristics of, 50. 



Physiography of, 23. 



Stratigraphic characteristics of, 50. 

 Orthorhynchula bed, 160, 168, 272. 



Fossils of, 170. 

 Oswegan series, 170. 

 Oswego sandstone, 161, 170, 171, 282. 

 Ozarkian, 88, 89. 

 Ozarkian fossils, 89. 

 Ozarkian limestone, Fossils from, 190. 

 Ozarkian system, 30, 31. 



Paleogeography, Cambrian, 45. 



Ordovician, 45. 



Paleozoic rocks, Classification of, 30. 

 Parr's Ridge, 24. 

 Peabody, Charles, 43. 

 " Peach lands," 67. 

 Pen Mar, Pa., 57, 58. 



