214 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Bibliography— Continued. 
Virginia: Watson, 2493. 
iron : Eckel, 765. 
lead and zinc : Watson, 2484. 
Volcanic ash : Woolsey, 2633. 
Volcano Jorullo : Villafaiia, 2447. 
Whiteaves, J. F., writings: 2668. 
Wright. A. A., writings : Wilder, 2570. 
Xinantecatl : Flores, 881. 
Zinc : 2419. 
Upper Mississippi Valley : Bain, 99 ; 
Grant, 1017. 
Virginia-Tennessee : Watson, 2484. 
Biography. 
Agassiz, Louis : Walcott, 2473. 
Beecher, Charles Emerson : Bather, 
165 ; Ball, 626 ; Schuchert, 2145. 
Condon, Thomas : 1834 ; Washhurne, 
2481. 
Eldridge, George Homans : Cross, 605 ; 
Emmons, 7!>2. 
Hatcher, John Bell : Osborn, 1842 ; 
Scott, 2153. 
Heilprin, Angelo : Levy, 1575 ; Pirsson, 
1933; 2670, 2671. 
Herrick, Clarence Luther : Bawden, 
170; Cole, 537. 
King, Clarence : Emmons, 802. 
McCalley, Henry : Smith, 2223. 
Meek, Fielding Bradford : White, 2539. 
Newberry, John Strong : White, 2540. 
Penfield, Samuel Lewis : Miers, 1747 ; 
Pirsson, 1931 ; Wells, 2525. 
Pettee, William Henry : Russell, 2103. 
Rominger, Carl Ludwig : Lane, 1517. 
Russell, Israel Cook : Davis, 661 ; Gil- 
bert, 954 ; Leverett, 1570 ; Lom- 
bard and D'Ooge, 1611 ; Pirsson, 
1932. 
Selwyn, Alfred R. C. : Ami, 43. 
Shaler, Nathaniel Southgate : Davis, 
670, 671 ; 1088 ; Hobbs, 1188. 
Trask, John B. : Vogdes, 2461. 
Ward, Henry A. : Farrington, 851. 
Whiteaves. Joseph Frederick : 2668. 
Wright, Albert Allen : Wilder, 2579. 
Bismuth. 
United States : 2418, 2419. 
Black sands. 
General: Nicol, 1804. 
California : Day, 695 ; Edman, 772. 
Oregon : Day, 694. 
Pacific coast : Day, 696. 
United States : Day, 694 ; Day and 
Richards, 697; 2418. 
Blastoidea. 
Blastoidocrinus Billings : Hudson, 
1254, 1255. 
Pelmatozoa from Chazy of New York : 
Hudson, 1253. 
Pentremite, new American : Schuchert, 
2146. 
Pentremites conoideus : Smith, 222. 
Borax. 
California : Bailey, 95, 96. 
Inyo County : Taft, 2340. 
Nevada, Silver Peak quadrangle : 
Spurr, 2271. 
Oregon : Stafford, 2276. 
United States: 2418, 2419. 
Brachiopoda. 
Devonian : Clarke, 497. 
Devonic spirifers, evolution : Grabau, 
1004. 
Eodevonaria, new subgenus of Cho- 
netes : Breger, 291. 
J.ndex fossils : Grabau and Shimer, 
1006. 
Indiana, Salem limestone : Beede, 177. 
Kentucky, Silurian : Foerste, 884. 
Nomenclature of certain genera : 
Buckman, 347. 
Old age characters : Shimer, 2202. 
Rensselaeria mainensis from Devonian 
of Maine : Williams, 2585. 
Reticularia laevis : Kindle, 1396. 
British Columbia. 
General. 
Cascade region : Evans, 821. 
Deutschman's cave, near Banff : Ayres, 
88-90. 
Highland Valley : Evans, 816. 
Interior plateau : Evans, 819. 
International boundary, field opera- 
tions : Daly, 637. 
Kamloops : Evans, 818. 
Nakimu caves : Wheeler, 2529. 
Rocky Mountains, foothills : Cairnes, 
379. 
Similkameen : Evans, 823. 
Stewart River region : Keele, 1346. 
Telkwa River region : Leach, 1534. 
Tulameen : Evans, 820. 
West Fork of Kettle River : Evans, 
827. 
Economic. 
Atlin district, placers : Carmichael, 426. 
Boundary district : Rickard, 2047. 
copper: Keffer, 1348-1350; Stokes, 
2302. 
Emma mine : Keffer, 1350. 
Bureau of mines, report : Robertson, 
2072, 2073, 2077. 
Cassiar coal fields : Bell, 188. 
Coal, Gwillim, 1059 ; Ritter, 2069. 
Cassiar fields : Bell, 188. 
Crow's Nest : Ashworth, 78. 
Elk River: Dowling, 733. 
Graham Island: Ells, 781, 783. 
Nanaimo-Comox : Poole, 1939. 
Nicola-Coldwater : Evans, 813. 
Princeton field : Lakes, 1480. 
Rocky Mountains : Dowling, 734. 
Copper, Eschelon Mountain : Evans, 
822. 
Texada Island : LeRoy, 1566. 
Vancouver Island : Brewer, 292. 
Eschelon Mountain, copper : Evans, 
822. 
