INDEX. 
237 
Guatemala. 
Earthquake of April 19, 1902 : Omori, 
1822. 
Gypsum. 
Alaska, southeastern : Wright, 2639, 
2642. 
California : Anbury, 87. 
Colorado, Uncompahgre region : Sieben- 
thal, 1138. 
Iowa : Beyer, 229. 
Montana : Rowe, 2093. 
New Brunswick : Bailey, 98. 
New Mexico, northwestern : Shaler, 
2175. 
Oregon : Stafford, 2276. 
United States (general) : 2418, 2419. 
Virginia : Watson, 2493. 
Wyoming : Trumbull, 2396. 
Bighorn basin : Fisher, 872, 87.*'.. 
Bighorn Mountain region : Dart on. 
649. 
Laramie district : Siebenthal, 2208. 
Owl Creek Mountains : Darton, 642. 
Hawaiian Islands. 
Diamond Head, Oahu : Hitchcock, 1166. 
Mohokea caldera : Hitchcock, 1167. 
Volcanic craters : Pickering, 1927. 
History, philosophy, etc. 
Age of the earth : Hixon, 1170. 
American geology, history of: Merrill, 
1736. 
Atmosphere, primeval : McKee, 1670. 
Chemical evolution of the ocean : Lane, 
1504. 
Contributions of America to geology : 
Kice, 2033. 
Earth sciences, methods : Chamberlain, 
452. 
relations: Davis, (564. 
Earth's crust, composition of: Clarke, 
490. 
Geologic day : Lane, 1505. 
Geology, problems of: Van Hise, 2421. 
Geophysics, problems of: Becker, 171. 
Illogical geology : Trice, 1954. 
Oceanic circulation, influence on cli- 
mate : Chamberlain, 453. 
Physical factor in general geology : 
Davis, 672. 
Hydrozoa. 
Stromatoporoids of Guelph formal ion 
in Ontario : Parks, 1872. 
Idaho. 
Economic. 
Coal deposits : Bitter, 2069. 
Copper mining in 1905 : Weed, 241)!). 
Dollarhide mine : Lakes. 1466. 
Lost Packer copper-gold lode : Jen- 
ings. 1297. 
Mining industry: Bell, 195, 196. 
Murray gold belt : Lammers. 1494. 
Northern : MacDonald, 1658. 
Phosphate deposits: Jones. 1317; 
Weeks and Ferrier, 2507. 
Idaho— Continued. 
Economic — Continued. 
Priest Lake mining district: Courtis, 
585. 
Red Cloud mine : Turner, 2401. 
St. Joe River basin : Collier, 553. 
Sapphires : Bell, 19s. 
Seven Devils district : Reid, 2006. 
Snake River, gold : Bell, 199 ; Reid, 
2006. 
South Mountain : Bell, 197. 
White Knob copper deposits : Kemp 
and Gunther, 1372. 
Wood River district : Lakes, 1463. 
Stratigraphic. 
Northern : MacDonald, 1658. 
Paleontology. 
Fish remains from Triassic of Aspen 
Ridge: Goddard, 972. 
Shark related to Edestus : Hay, 1105. 
Petrology. 
Purcell Mountain Range : Daly, 631. 
Igneous and volcanic rocks. 
General. 
Classification : Turner, 2402. 
Alaska, Juneau gold belt : Spencer, 
2261. 
Rampart region : Prindle and Hess, 
1958. 
Turnagain Arm region : Moflit, 1762. 
Yukon-Tanana region, Circle quad- 
rangle : Prindle, 1956. 
Arizona, Red Mountain: Atwood, 80. 
British Columbia, Cascade Mountains : 
Daly, 632. 
Graham Island : Ells. 783. 
California, eastern : Ball, 120. 
Klamath region, Hershey, 1133. 
Mojave district : Bateson, 164 ; De- 
Kalb, 702. 
Redding quadrangle: Diller, 721. 
Santa Maria district: Arnold and 
Anderson, 66, 67. 
Colorado, Arkansas Valley : Darton. 
648. 
Clear Creek region: Underhill, 2414. 
Cripple Creek district : Lindgren and 
Ransome, 1604. 
Hahns Peak region : Gale. 922. 
Ouray quadrangle: Cross et al., 607. 
Routl County: Fenneman and Gale, 
862. 
Connecticut : Rice, 2031. 
Cortlandt series: Hobbs, 1178. 
crystalline rocks: Gregory, 1Q34. 
Idaho, Purcell Mountain Range : Daly, 
631. 
Maine, Penobscot Bay quadrangle : 
Smith et al., 22 11. 
southern : Ogilvie, 1815. 
Martinique, Mont Pele" : Gentil, 938; 
Lacroix, 1455, 1456. 
Pele" obelisk: Ileilprin. 1122. 
tridymite. in volcanic rocks: La- 
croix, 1453. 
