414 



GENERAL INDEX 



Pennsylvania, 24, 60, 62, 66, 67, 68, 70, 

 73, 83, 96, 99, 101, 118, 120, 129, 132, 

 133, 142, 143, 144, 153, 156, 158, 160, 

 163, 167, 168, 171, 172. 



Fossils from, 190, 194, 195, 204, 210, 

 211, 217, 219, 224, 225, 230, 231, 

 234, 246, 249, 254, 257, 260, 264, 

 267, 270, 272, 274, 277, 282, 290, 

 292, 298, 319, 337, 344, 345, 349, 

 370, 371. 

 Piedmont Plateau, 23, 24, 111. 



Division of, 24. 

 Pierce limestone, 118. 

 Pinesburg Station, 122, 126, 128, 132, 

 139, 144, 151, 156, 158, 161, 167. 



Fossils from, 194, 195, 201, 208, 

 216, 218, 219, 229, 230, 240, 241, 

 248, 249, 263, 264, 268, 298, 337, 

 365. 



Pinesburg- Wilson area, 132. 

 Platteville limestone, 365. 

 Point Levis, Fossils from, 246. 

 Pondsville, 59. 

 Potomac River, 32, 53, 54, 57, 82, 147, 



132, 161. 



Potsdam sandstone, 27, 74. 

 Powell Mountain, 163. 

 Preface, 19. 

 Prosser, C. S, 34, 42. 

 Prosser limestone, Fossils from, 216. 

 Proterozoic limestones, 84. 

 Pulaski shale, 171, 275, 287, 288. 

 Fossils from, 325. 



Quebec, Fossils from, 246. 

 Queenston.'-Richmond formations, 171. 



Raver's Run, Fossils from, 233. 



Raymond, P. E., 127, 351. 



Cited, 238, 239, 240, 247, 261, 271, 

 310, 338, 347, 348. 



Reading, Pa., Fossils from, 191. 



Red Medina, 161, 168, 170, 171. 



Richmond Group, 161, 171, 320. 

 Fossils from, 213, 214. 



Rickard Mountain, Fossils from, 205, 211, 

 222, 225, 237, 245, 255, 265, 275, 281, 

 282, 292, 296, 297, 313, 315, 324, 342, 

 356, 367, 370, 371, 372. 



Ridley limestone, 118. 



Ringgold, 70, 73, 85. 



Roadside, 66. 



Rogers, H. D., 37. 



Rogers, W. B., 38. 



Rohrersville, 54, 59. 



Rome, N. Y., Fossils from, 288. 



Rome sandstone, 68. 



Rome shale, 68. 

 Ruedemann, Rudolph, 331. 



Cited, 203, 204, 205, 206, 254, 256, 



328, 354, 368. 

 Russell shale, 68. 

 Rysedorph conglomerate, 254, 257, 354, 



369. 

 Rysedorph Hill, Fossils from. 369. 



Safford, J. M., 117. 



St. Thomas, Pa., Fossils from, 166, 244, 

 251, 260, 267, 306, 315. 



Section 2% mi. south of, 148. 

 Salter, J. W., 26. 

 Sapp, E. H., 7. 

 Saratoga, Trilobites of, 76. 

 Saratoga Springs, Fossils from, 191. 

 " Saratogan," 74. 

 Saxton, Pa., Fossils from, 233. 

 Scharf, J. T., 38. 



Schuchert, Charles, 28, 30, 42, 43, 45, 

 170, 232. 



Cited, 198, 258, 263. 

 Scofleld, W. H., cited, 292, 295, 315. 

 Scotland, Pa., 76, 77. 



Fossils from, 238, 352. 



Section of Conococheague limestone 



west of, 77. 

 Security, 82. 



Security Cement and Lime Company, 82. 

 Sedgewick, Adam, cited, 25, 26, 27. 

 Seely, H. M., 87. 

 Shady limestone, 66. 

 Sharpsburg, 58, 70, 73, 80. 



Fossils from, 190. 

 " Shenandoah," 61. 

 Shenandoah formation, 60. 

 Shenandoah limestone, 60, 66. 

 Shenandoah River, 57. 

 Shenandoah series, 117. 

 Shenandoah Valley, 24. 

 Sherwood limestone, 61, 66. 

 Silurian, Usage of, 33. 

 " Silurian System," 25. 

 Singewald, J. T. Jr., 7. 

 Sinuites bed, 141, 145, 150, 164. 



Fauna of, 165. 

 Sinuites zone, 164. 

 Smithsburg, 68, 70, 71. 



Fossils from, 234, 339. 

 South Mountain, 24, 53, 54. 56, 58, 61. 



62, 64, 65, 69. 



Stonehenge limestone, 78, 97, 99, 100, 

 101, 106, 107. 



Fossils of, 100. 



Stonehenge member, 82, 93, 96, 106. 114. 

 Stones River, Fossils from, 202, 214, 227, 

 229, 249, 295. 



