INDEX TO VOLUME XII 763 



* PAGE 



Reade, T. Mellard, The Evolution of Earth Structure. Reviewed by W. 



H. E. -.---------- 280 



Ries, Heinrich, and Kummel, Henry B., assisted by Knapp, George N., 



The Clays and Clay Industry of New Jersey. Reviewed by J. H. L. 562 

 Seismological Investigations, Recent, in Japan. Baron Dairoku Kikuchi. 



Reviewed by T. C. C. - - - - - - - - - - 753 



Semple, Ellen Churchill, American History and its Geographic Conditions. 



Reviewed by H. H. B. - - - - - - - - - 176 



Smith, A. F., and Ball, Sydney H., Geology of Miller County, Mo. 



Reviewed byH. L. - - - - - - -- - - 470 



Spencer, A. C, Copper Deposits of the Encampment District of Wyoming 752 



Summaries of Pre-Cambrian Literature for 1902-1903. C. K. Leith 52, 161 



Ward-Coonley Collection of Meteorites, Catalogue of. Henry A. Ward - 360 



Weidman, Samuel, Baraboo Iron-Bearing District. Reviewed by R. D. S. 564 



West Virginia Geological Survey. I. C. White. Reviewed by R. D. S. - 176 



White, I. C, Oil and Gas Levels. Reviewed by R. D. S. - - - 563 

 Zinc and Lead Deposits of Northern Arkansas, George I. Adams, assisted 



by A. H. Purdue and E. F. Burchard. Reviewed by W. D. S. - - 663 



Role of Possible Eutectics in Rock Magmas, Alfred C. Lane - - - 83 

 Romney Formation of Maryland, Description and Correlation of. Charles S. 



Prosser _----..----- 361 

 Russell, Israel C, Physiographic Problems of Today - - - - -524 



Salisbury, R. D., New Physiographic Terms ------ 707 



Reviews by---------- 176, 563, 564 



San Juan Mountains, Colorado, Occurrence of Greenstone Schists in. Ernest 



Howe ------------- 501 



Sawatch Range near Leadville, Colo., Pleistocene Geology of. S. R. Capps 



and E. D. K. Leffingwell -------- 698 



Schists, An Occurrence of Greenstone, in the San Juan Mountains of Colorado. 



Ernest Howe ----------- ^oi 



Schuchert, Charles, Translation of Farewell Lecture, by Professor Eduard 



Suess on Resigning his Professorship ------ 246 



Seismological Investigations in Japan. Baron Dairoku Kikuchi. Review by 



T. C. C. - - - - - - - - - - - - 753 



Series of Gentle Folds on the Border of the Appalachian System. Edward M. 



Kindle ------------ 281 



Shales and Roofing Slates, Chemical Composition of American. Edwin C. 



Eckel --._------_- 25 



Sierra, Systematic Asymmetry of Crest Lines in the High Sierra of California. 



G. K. Gilbert ----------- 579 



Slate of Igneous Origin. Edwin C. Eckel - - - - - - - 15 



Slates, On the Chemical Composition of American Shales and Roofing. Edwin 



C. Eckel ------------ 25 



Smith, A. F., and Ball, Sydney H., Geology of Miller County, Mo. Review 



byH. L. - - - - - - - - - - - - 470 



Spencer, A. C, Copper Deposits of the Encampment District of Wyoming. 



Review ------------ -^^2 



