758 INDEX TO VOLUME XII 



Carboniferous, Deposition of the, Formations of the North Slope of the Ozark 



UpUft. Sydney H. Ball --------- 335 



Case, E. C, The Osteology of the Skull of the Pelycosaurian Genus Dimetrodon 304 

 Structure of the Fore Foot of Dimetrodon - - - - - -312 



Champlain, Glacial and Post-Glacial History of the Hudson and Champlain 



Valleys. Charles Emerson Peet ------- 415, 617 



Clapp, Frederick G., Relations of Gravel Deposits in the Northern Part of 



Glacial Lake Charles, Mass. -------- igg 



Clays and Clay Industry of New Jersey. Heinrich Ries and H. B. Kiimmel. 



Review by J. H. L. - - - - - - - - - - 562 



Coal Measure Forest Near Socorro, New Mexico. C. L. Herrick - - - 237 

 Contact of the Archean and Post-Archean in the Region of the Great Lakes. 



A. B. Willmott ----------- 40 



Contribution to the Study of the Interglacial Gorge Problem. George C. Matson 133 

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



Review by W. D. S. ---------- 752 



Correlation of Geological Faunas, A Contribution to Devonian Paleontology, 



Henry Shaler Wilhams. Review by Stuart Weller - - - - 279 

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



S. Prosser ..--_--_-__ 361 



Cross, Whitman, An Occurrence of Trachyte on the Island of Hawaii - - 510 

 Crystophenes, or Buried Sheets of Ice, in the Tundra of Northern America. 



J. B. Tyrrell ----------- 232 



Davis, W. M., The Relations of the Earth Sciences in View of Their Progress in 



the Nineteenth Century --------- 669 



Dimetrodon, Osteology of the Skull of the Pelycosaurian Genus. E. C. Case - 304 



Structure of the Fore Foot of. E. C. Case ------ ^12 



Dutton, Major C. E., Earthquakes in the Light of the New Seismology. 



Review by T. C. C. - - - - - - - - - - 755 



Earthquakes in the Light of the New Seismology. C. E. Dutton. Review by 



T. C. C. ------------ 755 



Earth Science in the Nineteenth Century, Relations of, in View of their Progress. 



W. M. Davis ----------- 669 



Earth Structure, The Evolution of. T. Mellard Reade. Review by W. H. E. - 280 



Eckel, Edwin C, On a CaUfornia Roofing Slate of Igneous Origin - - 15 



On the Chemical Composition of American Shales and Roofing Slates - 25 



Eclogite in California. R. S. Holway -------- 344 



Editorials, Scientific Nomenclature. H. F. B. - - - - - - 65 



U. S. Geol. Sur. Monographs on Mesabi, Vermillion and Menominee Iron- 

 Bearing Districts. Editorial by T. C. C. - - - - - 276 



Prof. Calvin -------___. 355 



Economic Resources of the Northern Black Hills. J. D. Irving. Review by 



W. D. S. ----------- 661 



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



Evolution of Earth Structure, T. Mellard Reade. Review by W. H. E, - - 280 



