INDEX 



455 



Beecher, 107. 



Beede, 209. 



Bell, R., 13, 14, 157, 158, 160, 161, 163, 164, 



177, 179. __ y 



Beltrami Island, 399. 

 Bembidium damnosum, 331, 340, 391. 

 Bembidium expletum, 331, 340, 391. 

 Bembidium fragmentum, 312, 340, 391. 

 Bembidium glaciatum, 331, 340, 391. 

 Bembidium haywardi, 331, 340, 391. 

 Bembidium praeteritum, 331, 340, 391. 

 Bembidium vanum, 331, 340, 391. 

 Bembidium vestigium, 331, 340, 391. 

 Benedict, 130. 

 Benton Harbor, 134. 

 Berrien Springs, Mich., 134. 

 Berry, E. W., 19, 126, 169, 195, 206, 374. 

 Beetles wings, 330, 390. 

 Betula, 204, 211, 379. 

 Betula alba, 185, 325, 336, 379. 

 Betula lutea, 178, 185, 379. 

 Beyer, 227, 231, 254, 255, 348. 

 Bifidaria armifera, 144, 172, 189, 226, 227, 



242, 252, 254-257, 266, 267, 269, 271, 281, 



296, 303, 306-309, 330, 339, 347, 348, 355, 



358, 388. 

 Bifidaria contracta, 124, 142-144, 172, 189, 



227, 242, 256, 269, 282, 296, 303, 308, 



339, 351, 355, 358, 388. 

 Bifidaria corticaria, 144, 189, 253, 254, 288, 



296, 339, 353, 358, 388. 

 Bifidaria curvidens, 256, 281. 

 Bifidaria holzingeri, 256, 257, 282, 296, 339, 



388. 

 Bifidaria pentodon, 124, 138, 144, 172, 189, 



252-256, 281, 288, 297, 339, 348, 358, 388. 

 Bifidaria procera, 269, 282, 358, 362, 388. 

 Bifidaria tappaniana, 144, 189, 282, 388. 

 Billups, 182, 302. 

 Irf Bison, 176, 374, 333, 349. 



Bison americanus, 165, 210. 

 fo Bison alleni, 210, 214, 226, 235, 243, 396 

 | Bison antiquus, 210, 214, 311, 315, 396. 

 , Bison bison, 154, 165, 172, 173, 175, 191, 



274, 300, 315, 333, 341, 354, 359, 396.;,' 

 Bison crampianus, 210, 214. ' 



Bison latifrons, 167, 191, 233, 235, 257, 277 / 



2&3, 301, 341, 354, 359, 371, 396. 

 ' Bison occidentalis, 257, 259, 283, 396. 

 p Blarina simplicidens, 208, 214, 397. ■ * 

 Blatchley, 11. 131, 301. 



Bledius glaciatus, 331, 340, 392. 



Blue Island, Chicago, 69. 



Borden, 272, 276, 309. 



Bootherium bombifrons, 315, 341, 396. 



Bootherium sargenti, 142, 191, 371, 396. 



Bos primigenius, 300. 



Bowmanville, Chicago, 22, 70, 78, 80, 106, 



108. 

 Bowmanville stage, 3, 11, 15, 18, 19, 59, 69, 



70-78, 104, 105, 108, 118, 119. 

 Braddocks Bay, N. Y., 81, 87. 

 Bradley, 126, 127, 128, 131, 272, 276. 

 Brasenia pelteta, 178, 185. 

 Brasenia purpurea, 332, 336, 380. 

 Brasenia schreberi, 185, 380. 

 Brevoort, 151. 

 Brigham, 322. 

 Briggs, 316. 



Broadhead, 233, 272, 301. 

 Bromus ciliatus, 178. 

 Buccinum undatum, 14, 176. 

 Buchanan gravels, 270. 

 Bulinus dealbatus, 297. 

 Bulla rivalis, 147. 

 Buried valleys, Chicago, 106. 

 Buried river valleys, 197-201. 

 Butts, 246. 



Byrrhus ottawaensis, 179, 190, 390. 

 Bythinella obtusa, 124. 

 Bythinella tenuipes, 295, 338, 385. 

 Bythinia tentaculata, 81, 98. 



Call, 261. 



Calliergon richardsoni, 228, 241, 377. 



Calumet stage, 3, 4, 8, 9, 12-14, 16-18, 20, 



59, 69-71, 73, 74, 76-78, 82, 85, 90, 91, 



104, 105, 108, 118, 120, 123, 134. 

 Calumet-Sag channel, 56, 57, 60, 65, 67, 84, 



88, 92. 

 Calvin, 121, 225, 229, 231, 233, 235, 237, 251, 



344, 345, 373. 

 Cambarus blandingi, 92. 

 Cambarus blandingi acutus, 46, 92, 100, 103, 



190, 390. 

 Camelops kansanus, 209, 210, 213, 226, 229, 



234, 243, 395. 

 Camelops vitakerianus, 209, 213, 395. 

 Camelus, 226, 243, 395. 

 Camelus americanus, 209, 213, 395. 

 Campeloma, 73, 122, 126, 135, 166, 334. 

 Campeloma coarctatum, 124. 



