384 



INDEX 



Archeocyathus, 73. 



Archeopteryx, 234. 



Archeozoic era, 32, 40-46; life of, 

 46; climate, 46. 



Archimedes, 156. 



Arctic Islands, 79, 104, 106, 112, 121, 

 122, 225. 



Argentina, 68, 89, 152, 188, 210, 306, 

 308, 309. 



Arikaree formation, 282, 288. 



Arizona, 53, 65, 84, 128, 181, 213, 

 220, 221, 276, 304. 



Arkansas, 90, 163, 187. 



Armor-fishes, 13, 21. 



Arnold, R., 290, 294, 295, 297, 367. 



Arthrodirans, 138-140, 157. 



Arthropods, 13, 20, 21; Cambrian, 

 75-76; Ordovician, 99-101; Silu- 

 rian, 116-118; Devonian, 136; 

 Mississippian, 157; Pennsylvanian, 

 175-177; Permian, 191; Triassic, 

 215; Jurassic, 231-232; Creta- 

 ceous, 261; Tertiary, 314-316. 



Artiodactyls, 319, 321-322. 



Arundel formation, 237, 240. 



Asia, 152, 168, 188, 210, 225, 227, 

 255, 305, 306, 307, 308. 



Asteroids, 13, 17, 93. 



Asterozoans, 13, 17, 115, 134, 156, 

 174, 191, 213, 229. 



Augusta series, 143. 



Ausable Chasm, 62. 



Austin formation, 237, 242, 246. 



Australia, 10, 46, 68, 89, 92, 112, 132, 

 152, 153, 168, 188, 190, 200, 210, 

 225, 227, 255, 256, 306, 372. 



Austria, 132. 



Baculites, 99, 258, 260. 

 "Bad Lands," 296, 303. 

 Barrande, J., 97, 115. 

 Barremian formation, 237. 

 Barrows and Blackwelder, 34, 118. 

 Bassler, R. S., 94. 

 Bavaria, 46, 227, 234. 

 Becraft formation, 121. 

 Bedford limestone, 153, 154. 

 Beecher, C. E., 101. 



Beekmantown formation, 78. 



Bees, 232. 



Beetles, 232. 



Belenmites, 215, 231, 314. 



Belemnoteuthis, 231. 



Belgium, 120, 152, 305, 309. 



Berkey, C. P., 87, 251-252. 



Berkshire Hills, 86, 87, 250, 332. 



Berry, E. W., 312. 



Big Blue series, 180, 181. 



Billings, E., 93. 



Birds, 13, 22; Jurassic, 234-235; 



Cretaceous, 262; Tertiary, 317. 

 Bisons, 371. 



Black Hills, 82, 147, 220, 243. 

 Black Lake, 351. 

 Black River formation, 78. 

 Black River Valley, 332, 336-337. 

 Blackwelder, E., 33. 

 Blackwelder and Barrows, 34, 118. 

 Blake, J. H., 21. 

 Blanco formation, 282, 289. 

 Blastoids, 13, 16, 17, 93, 114, 134, 



155, 173. 

 Bohemia, 67, 152, 190, 307, 312. 

 Boulder clay, 339. 

 Brachiopods, 13, 19, 53, 73-74, 94- 



95, 116-117, 134-135, 156, 174, 



191, 214, 229, 230. 

 Branchiosaurs, 178. 

 Branner, J. C, 297. 

 Brazil, 53, 168, 188, 189, 190, 255, 



306. 

 Breuil, 379, 380. 

 Bridger formation, 282, 287. 

 Brigham, A. P., 34, 352. 

 British Columbia, 53, 59, 144, 204, 



205, 209, 220, 221, 223, 243, 248, 



250, 256, 276, 284. 

 British Isles (see also England), 56, 



89, 92, 103, 111, 112, 131, 151, 187, 



227, 305, 309, 310, 371. 

 Brittany, 67. 

 Brittle-stars, 13, 17. 

 Brogniart, A. T., 177. 

 Bronteus, 101. 

 Brontotherium, 318. 

 Brooks, W. K., 70. 



