220 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Caves— Continued. 
Nakinui. British Columbia : Wheeler, 
2r>2!>. 
Iowa, Winneshiek County : Calvin, 
388. 
New York : Clarke, 500. 
Schoharie Valley : Grabau, 991. 
Cement and cement materials. 
California: Anbury, 82, 87. 
Iowa : Beyer, 230 ; Beyer and Wil- 
liams, 233. 
Dubuque : Burchard, 353. 
Kansas : Schrader and Haworth, 2144. 
Mississippi : Crider, 598 ; Eckel, 762. 
Oregon : Stafford. 2276. 
Tennessee, Cumberland Gap district: 
Eckel, 766. 
Texas : Deussen. 716. 
United States : 2418, 2419. 
Virginia : Bassler, 158. 
Cumberland Gap district : Eckel, 
766. 
Washington : Landes, 149."). 
West Virginia : Grimsley, 1044, 1045. 
Wyoming, eastern : Ball, 120. 
Central America. 
Geology : Merz, 1745. 
Masaya earthquake : Sapper, 2120. 
Physiographic notes : Wegener, 2.">10. 
Seismic disturbances, recent, effects 
of: Jones. 1322. 
Cephalopoda. See aim Mollusca. 
Barrandeoceras : Whiteaves, 2554. 
Beekmantown and Chazy formations : 
. Ruedemann, L'n'.iT. 
Cyrtoceras cuneatum : Whiteaves. 2558. 
Devonian : Clarke. 497. 
restored : Cleland, 504. 
Jurassic from Mazapil : Burckhardt, 
359. 
Peltoceras from Jurassic of Alberta : 
Whiteaves. 2559. 
Pleetoceras : Whiteaves, 2554. 
Salem limestone, Indiana : Comings, 
611. 
Changes of level. 
Alaska, Yakutat Bay region : Tarr and 
Martin, 2356, S-^l . 
Bermuda Islands : Verrill, 2445. 
California : Comstock, 563. 
Santa (Mara Valley : Branner, 289. 
Cause of : Fisher, 876. 
Isostasy, geodetic evidence for : I lay- 
ford, 1112. 
Great Lakes region : Spencer, 2266. 
Labrador : Fuller, !>14. 
Lake Erie, subsidence at west end : 
Moseley, 1773.. 
North America : Sliimer, 2205. 
Nova Scotia, Atlantic coast, subsid- 
ence : Poole, 1941. 
Louisbourg, subsidence : Mcintosh, 
1668. 
Chemical analyses. 'See list, p. 282. 
Chrome. 
Quebec: Edwards, 776. 
7 
Chromite. 
California : Anbury, 87. 
United States : 2418, 2419. 
Clay. See also Fire clay. 
General: Geijsbeek, 935; Purdy, 1972. 
Bibliography : Branner, 283. 
Composition, rational: Ries, 2063. 
Report of committee on cooperation : 
Hice et al., 1142. 
Report on, what it should embrace : 
Hice, 1141 ; Ries, 2062. 
Term ' colluvial ' : Veatch, 2442. 
Alabama, Birmingham district : Butts, 
372. 
Arkansas, Garland County : Eckel, 767. 
California : Aubury, 87. 
Canada : Chalmers, 449. 
Colorado, Durango-Gallup field : Shaler 
and Gardner, 2177. 
Illinois : Purdy and DeWolf, 1973. 
Iowa : Beyer, 229. 
Blackhawk County : Arey, 53. 
Clayton County : Leonard, 1559. 
Franklin County : Williams, 2588. 
Ida County : Macbride, 1639. 
Sac County : Macbride, 1639. 
Kansas : Schrader and Haworth, 2144. 
Kentucky : Gardner, 929. 
Crittenden and Livingston counties : 
Fohs, 885. 
east-central : Foerste, 884. 
Jackson's Purchase region : Gardner, 
928. 
northeastern : Greaves- Walker, 1027 ; 
Phalen, 1921. 
Red River Valley: Gardner, 927. 
Silurian : Foerste, 883. 
western: Crider, 596; Gardner, 926. 
Maine, Penobscot Bay region : Bastin, 
161. 
Maryland : Clark and Mathews, 4KS. 
Calvert County : Miller, 1750. 
St. Marys County : Miller, 1751. 
Massachusetts, Cape Cod : Fuller, 912. 
Mississippi : Crider, 595 ; Logan, 1608 ; 
Logan and Hand, 1609. 
Missouri : Wheeler, 2530. 
Bollinger County : Orton, 1836. 
St. Louis district : Fenneman, 861. 
North Dakota : Babcock, 91 ; Bahcock 
and Clapp, 92; Clapp, 470; 
Clapp and Babcock, 471 ; Leon- 
ard, 1563. 
Ontario : Baker, 116. 
Oregon : Stafford, 2276. 
Pennsylvania, Beaver quadrangle : 
Woolsey, 2634. 
Cambria County : Phalen and Mar- 
tin, 1923. 
central : Ashley, 72. 
Clarion quadrangle : Lines, 1605. 
Kittanning and Rural Valley quad- 
rangles : Butts, 368. 
South Mountain : Stose, 2320. 
South Carolina: Sloan, 2217, 2218. 
Tennessee. Western : Crider, 596. 
Texas; Ries, 2058. 
