94 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [bull. 
Geologic formations described— Continued. 
Bethany limestone, Bain, 195, 198. 
Bethany limestone, Keyes, 3128, 3142, 3148. 
Bethany limestone, Marbut, 3648, 3649. 
Beulah clays, Ward, 5856. 
Bettles series, Schrader, 4834. 
Bijiki schist, Van Hise and Bayley, 5704. 
Birch Creek series, Emmons, 1713. 
Birch Creek series, Spurr, 5173. 
Bird Mountain grit, Dale, 1257. 
Birdseye, Marcou, 3663. 
Birdseye formation, White, 6070. 
Birdseye limestone, Cumings, 1220. 
Birdseye, Winchell and Ulrich, 6337. 
Black Patch grit, Dale, 1256. 
Black River, Ells, 1661. 
Black River, Marcou, 3663. 
Black River, Winchell and Ulrich, 6337. 
Black River formation, White, 6070. 
Black River limestone, Clarke, 971. 
Black. River limestone, Cumings, 1220. 
Black River limestone, Clarke and Schuchert, 
965. 
Blackrock diabase, Emerson, 1676. 
Black shale, Girty, 2035. 
Black shale, Keyes, 3090. 
Black shale, McCalley, 3818. 
Black shale, Shepard, 4946. 
Blackstone series, Shaler, Woodworth, and 
Foerste, 4940. 
Blackwater formation, Darton, 1335. 
Blue Canyon formation, Lindgren, 3547. 
Blue Creek series, Bain, 212. 
Bowlder clay, Dawson, 1425. 
Bloomington moraine, Leverett, 3495. 
Bluebird aplite, Weed, 5948. 
Bluefield shale, Campbell, 735. 
Blue Hills shale, Logan, 3556. 
Blue Mountain series, Hill, 2564. 
Bluestone formation, Campbell, 735. 
Boggy shale, Taff. 5290. 
Boggy shale, Taff and Adams, 5295. 
Bogue Island formation, Hill, 2549. 
Bohemia conglomerate, Hubbard, 2798. 
Bonair conglomerate lentil, Campbell, 739. 
Bone Lake crystalline schists, Clements and 
Smyth, 1015. 
Boone chert, Drake, 1539. 
Boone chert, Williams, 6191. 
Border conglomerate, Kiimmel, 3280. 
Bossardville limestone, Weller, 6003. 
Boston group, Drake, 1539. 
Boston group, Williams, 6191. 
Bowden formation, Hill, 2564. 
Bowling Green limestone, Keyes, 3135. 
Braxton formation, Campbell, 741. 
Breathitt formation, Campbell, 737. 
Briceville shale, Keith, 2965. 
Bridger group, Osborn, 4200. 
Bridger formation, Smith, 5039. 
Bridgeton formation, Salisbury, 4775. 
Brier slate, Van Hise and Bayley, 5713. 
Bristol Bay siits and gravels, Spurr, 5184. 
Brito formation, Hayes, 2431. 
Brule clay, Darton, 1328. 
Brunswick series, Kiimmel, 3277, 3279, 3280, 
Geologic formations described — Continued. 
Bryant limestone, Keyes, 2135. 
Bryn Mawr gravel, Bascom, 280. 
Buchanan, Beyer, 435. 
Buchanan, Calvin, 708. 
Buchanan, Leverett, 3493. 
Buchanan gravel, Beyer, 436. 
Buchanan gravel, Calvin, 712, 714, 715, 717. 
Buchanan gravel, Calvin and Bain, 720. 
Buchanan gravel, Wilder, 6140. 
Buchanan gravel, Williams, 6195. 
Buda limestone, Vauj;han, 5738, 5739. 
Buffalo shale, Keyes, 3135. 
Buff Bay beds, Hill, 2564. 
Buff limestone, Sardeson, 4799. 
Buff limestone, Winchell and Ulrich, 6337. 
Bujio formation, Hill, 2557. 
Butte granite, Weed, 5948. 
Burlingame limestone, Haworth, 2375. 
Burlingame shale, Beede, 390. 
Burlington formation, Marbut, 3650. 
Burlington limestone, Keyes and Rowley, 
3119. 
Burlington limestone, Lower, Shepard, 4946. 
Burlington limestone, Upper, Shepard, 4946. 
Cabotian, Grant, 2125. 
Cabotian, Winchell, 6361. 
Cabotian lavas, Winchell, 6350. 
Cacapon sandstone, Darton, 1335. 
Cache Creek formation, Dawson, 1433. 
Calaveras formation, Lindgren, 3534, 3547. 
Calaveras formation, Ransome, 4543. 
Calaveras formation. Turner, 5467, 5471. 
Calaveras formation, Turner and Ransome, 
5470, 5485. 
Calciferous, Cushing, 1245. 
Calciferous, Ells, 1660. 
Calciferous, Marcou, 3663. 
Calciferous sand rock, Cumings, 1220. 
Calhoun limestone, etc., Beede, 390. 
Callaway limestone, Keyes, 3090, 3135. 
Cambric, Clarke, 971. 
Cambric, Clarke and Schuchert, 965. 
Cambridge formation, Hill, 2564. 
Camden chert, Safford and Schuchert, 4733. 
Camerella bed, Sardeson, 4799. 
Canaan formation, Darton, 1333. 
Canadian, Clarke, 971. 
Canadian, Clarke and Schuchert, 965, 977. 
Cantwell conglomerate, Eldridge, 1632. 
Cantwell conglomerate, Eldridge and Mul- 
drow, 1631. 
Cap-au-gres, sandstone, Keyes, 3135. 
Cape Cod series, Shaler, 4933, 4934. 
Cape Horn formation, Lindgren, 3547. 
Cape John formation, Ami, 110. 
Cape John sandstones, Ami, 99. 
Cape May formation, Salisbury, 4775. 
Caprina limestone, Cragin, 1130. 
Caprotina limestone, Cragin, 1130. 
Carlisle shale, Hills, 2598, 2599. 
Carlisle shale, Gilbert, 230. 
Carrollton limestone, Williams, 6191. 
Carrollton Mountain porphyry, Bain, 212. 
Carters Creek, Winchell and Ulrich, 6337. 
Cascade formation, Weed, 5945, 5946. 
Cason shale, Williams, 6191. 
