INDEX TO VOLUME XIII 743 



Salisbury, Rollin D., The Mineral Matter of the Sea with Some Specu- 

 lations as to the Changes Which Have Been Involved in its Pro- 

 duction ------ 4<5q 



Review by -----------87 



Salt Lake, The Zuni. N. H. Darton ------- 185 



Salt, Petroleum, and Mineral Springs, Tertiary Formations of Oltenia 



with Regard to. G. W. Murgoci, Ph.D. ----- 670 



San Francisco Mountains, Arizona, Glaciation of. Wallace W. Atwood 276 



Sardeson, Frederick W., A Peculiar Case of Glacial Erosion - - 351 



Scaphites, The Development of. W. D. Smith - 635 

 Sea, Mineral Matter of, with Some Speculations as to the Changes Which 



Have Been Involved in its Production. Rollin D. Salisbury - 469 



Shepard, Edward M., The New Madrid Earthquake - - - - 45 



Sherman, C. E., Report on the Ohio Co-operative Topographic Survey. 



Review by G. C. M. - - - - - - - - - 377 



Shimek, B., Additional Note on Helicina Occulta ----- 232 



Shultz, Alfred R. Review by- - - - . - - - - -3 75 



Smith, W. D., The Development of Scaphites ------ 635 



Smith, W. D., Review by --------- jg 2 



Smyth, C. H., Jr., The Abstraction of Oxygen from the Atmosphere, by 



Iron ----- 319 



So-called Alkali Spots of the Younger Drift-sheets. O. W. Willcox - 259 



Some Instances of Moderate Glacial Erosion. Ralph S. Tarr - - 160 



Spitzbergen, Recent Geology of. John J. Stevenson - - - - 611 

 Stanton, T. W. The Morrison Formation and its Relations with the 



Comanche Series and the Dakota Formation - - - 657 



Starfish, A Fossil, from the Cretaceous of Wyoming. Stuart Weller - 257 

 St. Croix Dalles Region, The Glacial Features of the. Rollin T. 



Chamberlin - - - 238 



Stevenson, John J., Recent Geology of Spitzbergen - - - - - 611 

 Structures of the Basin Ranges. Charles R. Keyes ----- 63 

 Structure and Relationships of American Labyrinthodontidae. E. B. 



Branson - ._. ^6g 



Taff, Joseph A., Preliminary Report on the Geology of the Arbuckle 



and Wichita Mountains, in Indian Territory and Oklahoma. 



Review by R. D. S. - - - - - - - - - 87 



Tarr, Ralph S., Some Instances of Moderate Glacial Erosion - - - 160 

 Teleorrhinus browni — A New Teleosaur in the Fort Benton. Osborn. 



Review by S. W. W. - - - - - - - - - 184 



Tennessee River, The Tertiary History of. Douglas Wilson Johnson - 194 

 Tertiary Formations of Oltenia with Regard to Salt, Petroleum, and 



Mineral Springs. G. M. Murgoci, Ph.D. 670 



Tertiary History of the Tennessee River. Douglas Wilson Johnson - - 194 

 Titanothere-Megacerops Tyleri, A New Species, from the Bad Lands of 



South Dakota. Richard S. Lull ------- 443 



