760 INDEX TO VOLUME XxXI 
Brown, Thomas C. Notes on the Origin of Certain Paleozoic Sedi- 
ments, Illustrated by the Cambrian and Ordovician Rocks of Center 
County, Pennsylvania 
Buried Valley of Susquehanna River in linens Couns penney ante 
By N. H. Darton 
Cambrian Brachiopoda. By Charles D. Walcott. Review by S. W. 
Campbell, M. R. Contributions to Economic Geology. Pt. I. 
Mineral Fuels. Review by A.D. B. . i : : : : 
Capps, Stephen R., and Fred W. Moffit. Geology and Ore-Deposits of 
the Nizina Dien Alaska. Review by E. A. S. : 
Cenozoic History, The Later, of the Wind River Mountains, Wontar 
By Lewis G. Westgate and E. B. Branson . Z : 
Chamberlin, T. C. Diastrophism and the Formative Processes’ 
I. Introduction 
II. Shelf-Seas and Certain Lanfeattime of iDeasieopiiarn 
III. The Lateral Stresses within the Continental Protuberances and 
Their Relations to Continental Creep and _ Sea- 
Transgression . 
IV. Rejuvenation of the Conemenrs 
——. Editorial . 
Chemical Composition as a Chiston in Idewsnvane Meeamonshioced 
Sediments. By Edson S. Bastin . z 
Chemical Constitutents of Rocks, The Relative Iselupilicics ai ‘he By 
C. H. Smyth, Jr. 
Clapp, Charles H. Gonmaneced Showaliinas ; 
Clark, William Bullock, Benjamin LeRoy Miller, Edward W. Bera and 
Thomas Leonard Watson. The Physiography and Geology of the 
Coastal Plain Province of Virginia. Review by E. A. S. : 
‘““Coal Beds, Formation of.” II. By John J. Stevenson. Review by 
E. A. Stephenson 
Coastal Plain Province of Viren The iDhyystionaeyalehy and Geolony of 
the. By William Bullock Clark and Benjamin LeRoy Miller. 
With chapters on “‘The Lower Cretaceous,” by Edward W. Berry 
and “The Economic Geology,” by Thomas Leonard Watson. 
Review by E. A. S. 
Cobalt Series, The; Its Charade: andl Onin. “Be Moxley, E. Wilson pee 
Contraposed Shorelines. By Charles H. Clapp 
Ccoke, H. C. The Secondary Enrichment of Silver Ore 
Cordilleran Ice-Sheet, The Extent of the. By Charles A. Siena! 
Cross-Bedding in the White River Formation of Northwestern South 
Dakota. By Dean E. Winchester AE iB sat ote Sage ee 
Crystallization in Igneous Rocks, The Order of. By N. L. Bowen 
“Crystallization in Igneous Rocks, The Order of.”’ By Victor Ziegler 
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