INDEX. 
211 
Anthozoa (corals)— Continued. 
Kentucky, Silurian : Foerste, 884. 
Madreporaria, morphology : Duerden, 
747. 
Maryland, Pleistocene: Clark, 4S2. 
Morphology, physiology, and develop- 
ment : Duerden, 748. 
Paleozoic corals, development : Ander- 
son, 45, 46. 
early stages : Brown, 834 ; Gordon, 
1)76. 978. 
Septa in rugose corals : Duerden, 746 ; 
Gordon, 977. 
Silurian, Kentucky : Foerste, 884. 
Streptelasma rectum Hall, develop- 
mental stages : Brown, 334. 
Antigua. 
Paleontology. 
Zebrasoma deani : Hussakof, 1259. 
Antimony. 
California: Anbury, 87. 
United States : 2418, 2419. 
Apatite. 
Virginia : Watson, 2493. 
Arachnida. 
Tertiary, from Florissant, Colo. : Cock- 
erel 1, 530. 
Archean. See Pre-Cambrian. 
Arizona. 
General. 
Bisbee district ; Ransome, 1981. 
Coon Butte: Barringer, 152; Barringer 
and Tilghman. 153 ; Fairchild, 
841, 843 ; Guild. 1054 ; Munk, 
1776; Tilghman, 2376. 
Red Mountain : Atwood, 80. 
Economic. 
Anthracite coal : Griffith, 1041. 
Asbestos: Pratt. 1945. 
Bisbee district : Brinsmade, 299 ; Ran- 
some, 1981. 
Cherry Creek district : Lindgren, 1592 ; 
Reid. 2016. 2020. 
Clifton-Morenci copper deposits : Ran- 
some, 1982. 
Cochise mining district: Kellogg, 1358. 
Colorado River region, copper : Ilately, 
1094. 
Copper : Brinsmade, 209 ; Graichen, 
1009 ; Ilately, 1094 ; Merrill, 
1730; Ransome, 1982; Wood- 
bridge, 2622. 
Copper mining in 1005 : Weed, 2499. 
Globe copper-gold deposits : Graichen, 
1009. 
Gold Road : Tovote, 2386. 
Mowry, lead-silver : Brinsmade, 29s. 
Slate : Dale and Eckel, 625. 
Southern Arizona, copper: Merrill, 
1730. 
Tombstone : Brinsmade, 300. 
Vulture mine : Purington, 1296. 
Dynamic and structural. 
Colorado canyon, example of erosion : 
Davis, 667. 
Arizona— Continued. 
Dynamic and structural — Continued. 
Coon Butte, origin of crater: Bar- 
ringer, 152 ; Tilghman, 2376. 
Detrital slopes : Blake, 242. 
Fractured bowlders in conglomerate : 
Campbell. 394. 
Metamorphism in siliceous sandstone : 
Merrill, 1742. 
Volcano, recent, in San Francisco Moun- 
tain region : Johnson, 1305. 
Physiographic. 
(The) desert, its resources, water-sup- 
ply, and development : Bailey, 
96. 
Grand Canyon of the Colorado : Crook, 
600. 
Montezuma's Well, origin: Blake, 241. 
Peneplain, Grand Canyon district : 
Johnson, 1308. 
Tertiary, plateau district : Robinson, 
207S. 
Physiographic features: Johnson, 1302. 
San Francisco Mountain region: John- 
son, 1305. 
Stratigraphic. 
Bisbee district : Ransome, 1981. 
Colorado River region : Lee, 1548. 
Glaciation, evidences of : Merrill, 1721. 
Paleontology. 
Aubrey and Red Wall fossils : Reagan, 
2000. 
Red Wall fossils : Reagan, 2000, 2001. 
Snails : Cockerell, 515. 
Mineralogy. 
Coon Butte meteorite : Farrington, 
852; Mallet-, 1672. 
Copper crystals from Bisbee : Petereit, 
1912. 
Iron shale, analysis of : Farrington, 
852. 
Molybdenite, Wallapi Mountains : Gar- 
rison, o:',:',. 
Molybdite: Guild. 1053. 
Vanadinite : Bowman, 274. 
Arkansas. 
General. 
Correspondence relating to survey of 
coal fields : Branner, 287. 
Economic. 
Anthracite coal: Griffith, 1041. 
Coal field: ('oilier. 555. 556. 
Diamond field: Kunz and Washington, 
1444 : Schneider. 2140. 
Garland County, clays: Eckel, 707. 
Glass-sand deposits : Burchard, 350, 
355. 
Phosphates: Purdue. 1968, 1970. 
Slate : Dale and Eckel, 625. 
Winslow quadrangle : Purdue. 1971. 
Zinc ores, occurrence : Purdue, 1966. 
Dynamic and structural. 
Cave-sandstone deposits : Purdue. 1967. 
Fracture systems: Hobbs, i 1 7 c, . 
Rock folds due to weathering: Camp- 
bell, 396. 
