782 INDEX TO VOLUME XX 
Geology and Mineral Resources of Parts of the Alaska Peninusla. By 
Wallace W. Atwood. Author’s Abstract i 
Geology and Water Resources of the San Luis Valley, Colorado. By 
C. E. Siebenthal. Review by A. E. F. : 
Girty, George H. The Fauna of the Moorefield Shale of Atbancas 
Review by S. W. 
Glacial Epochs in the Pleistocene ies ory of the Sia Tuan Mountains 
Colorado, The Evidence of Three Distinct. By Wallace W. 
Atwood and Kirtley F. Mather Ftele SOLES: 
Glacial Erosion in the San Juan Mountains, Coloma. By Thomas 
Cramer Hopkins. Review by A. E. F. : 
Glaciation of the Alaska Range. By Stephen R. Cons : 
Glaciation in the Telluride Quadrangle, Colorado. I. By Allen maid 
Hole: RP Ma arden PAN NG 
Glaciation in the Telluride Quatranclet Colorado. II. By Allen 
David Hole a gL Sec Wid eae te alae ays eM 
Glaciation in the Telluride “Quadrancle iC oloratio: III. By Allen 
David Hole 
Glaciers, Characteristics of cane By Wallin Herbert Hobs: 
Review by A. E. F. : ; : : : ; t . 
Glasgow District, The Geology Of By C. T. Clough, L. W. Hinxman, 
J. S. Grant Wilson, C. B. Crampton, W. B. Wright, E. B. Bailey, 
E. M. Anderson, R. G. Carruthers, with contributions by G. W. 
Grabham, J. S. Flett, and a chapter on the gate. by G. W. 
Lee. Review by A. E. F. 
Glenn, Leonidas Chalmers. Denudation aad Brecon in ve Souther 
ee Region and the Monongahela Basin. Review by 
Gane U. S., and D. F. arin, Gide Connnecanee of the Geology and 
Mineral Resources of Prince William Sound, Alaska. Review by 
AEE: : 
Gravel as a Resistant Rock By Sidney Paice: : : 5 ; 
Grundziige der Palaontologie. Von Karl A.von Zittel. II. Abteilung. 
Vertebra. Review by S. W. W. 
Gymnospermous Plants from the Potomac Group, in Maryland and 
Virginia, A Revision of Several Genera of. By Edward W. Berry. 
Review by A. E. F. : : : : Merits 
Hague, Arnold. The Origin of the Thermal Waters in the Yellowstone 
National Park. Review by A. E. F. 
Harker, Alfred. Some Aspects of Modern Rerraloe Review se 
Whitman Cross 
Hayford, John F. Isostasy, A Reorder! to ‘he Avice me repeat 
Lewis . Wigs eaten Sets. coe ie : : 
579 
376 
282 
