228 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Devonian— Continued. 
Paleontology — Continued. 
Ithaca fauna of Maryland : Swartz, 
2328. 
Ithaca section, New York : Williams. 
2583, 2586. 
Kentucky, east-central : Foerste, 884. 
Lime Creek fauna : Keyes, 1384. 
Little River group : Matthew, 1693. 
Lycopod, composite : White, 2547. 
Maryland, Paleodevonian : Ohern. 1816. 
Montana, Three Forks : Raymond, 1989. 
New Mexico, Lime Creek fauna : Keyes, 
1384. 
New York: Slocom, 2219. 
Ithaca section : Williams, 2583, 2586. 
Schoharie Valley : Grabau, 991. 
Fennsylvania, Altoona : Kindle, 1397. 
Plants from New Brunswick and Nova 
Scotia : Matthew, 1696. 
Reticularia lsevis : Kindle, 1396. 
Spirifers, evolution of : Grabau, 1004. 
Tree trunk : White, 2544. 
Westerna : Webster, 2496. 
Diamonds. 
General: Kunz, 1442. 
Arkansas : Schneider, 2140. 
in drift : Bell, 193. 
Diatomaceous earth. 
California : Aubury, 87. 
Santa Barbara County : Arnold and 
Anderson, 65. 
Maryland, Calvert County : Miller, 
1750. 
St. Marys County : Miller, 1751. 
Virginia : Watson, 2493. 
Diatoms. 
California, Santa Maria district : Ar- 
nold and Anderson, 67. 
Dislocations. See Faulting. 
District of Columbia. 
General. 
Fatuxent quadrangle : Shattuck et ah, 
2193. 
Dolomite. 
Alabama, Birmingham quadrangle : 
Butts, 370. 
Dome structure: Arnold, 61. 
Dominica, boiling lake of : Hovey, 1222. 
Drainage changes. 
Black Hills and Bighorn Mountains, 
post-Pleistocene drainage modi- 
fications : Mansfield, 1673. 
California, Russian and Sacramento 
Rivers : Holway, 1216. 
Santa Clara Valley : Branner, 289. 
Taylorsville region during the aurif- 
erous gravel period : Diller, 722. 
Georgia, Tallulah district : Johnson, 
1303, 1307. 
Michigan : Cooper, 576. 
Mississippi River, between Lansing and 
Dubuque : Calvin, 389. 
Mississippi Valley : Light, 2375. 
Drainage changes — Continued. 
New York, Genesee River : Grabau, 999. 
Iroquois extinction : Fairchild, 842. 
Ohio, Spring Valley gorge, origin : 
Scheffel, 2138. 
South Carolina, Tallulah district : 
Johnson, 1303, 1307. 
Drumlins. 
Distribution and origin : Taylor, 2364. 
Michigan: Russell, 2101, 2106. 
Grand Traverse region : Leverett, 
1568. 
New York, central western : Fairchild, 
837. 
Structure and origin : Fairchild, 839. 
Dunes. 
North Carolina coast : Cobb, 511. 
Origin : Baker, 114. 
Dynamic and structural (general). For regional 
see under the various States. 
See also Caves, Changes of level, 
Concretions, Deformation, Del- 
tas, Domes, Drumlins, Dunes, 
Earth, genesis of, Earthquakes, 
Erosion, Eskers, Faulting, Fold- 
ing, Geysers, Glaciers, Isostasy, 
Karsts, Landslides, Magmas and 
intrusions, Marshes, Metamor- 
phism. Mounds, natural, Nat- 
ural bridges, Orogeny, Pebbles, 
Sedimentation, Shore-lines, Sink 
holes. Temperature, Terraces, 
Thermal waters, Uncomformity, 
Valleys, Volcanoes, Weathering. 
Coal, formation of: White, 2548. 
Concentration as a geological principle : 
Russell, 2105. 
Continental structure, theory of : 
Willis, 2598. 
Cone in cone structure : Broadhead, 
305. 
Dome structure in conglomerate : Ar- 
nold, 61. 
Earth, interior of : Lane, 1503. 
rigidity of : Hoskins, 1217 ; See, 
2160. 
Earth a failing structure : Hayford, 
1113. 
Earth's crust, average composition : 
Clarke, 490. 
Fundamental problems of geology : 
Chamberlin, 454. 
Fusion of minerals under high tem- 
perature : Day, 687. 
Garnet zones, formation of : Kemp, 
1363. 
Geologic periods, cause of : Taber, 
2330. 
Gneissic structure, artificial production 
of: Wright, 2652. 
Hydrocarbons in the Ordovician, 
source of: White, 2541. 
Metamorphic cycle: Leith, 155S. 
Moon, place of origin : Pickering, 1928. 
Oolites, formation of : Cayeux, 447. 
Polished pebbles : George, 940. 
