X BULLETIN OF THE GEOLOGICAL SOCIETY OF .VMERICA 



Page 

 Report of the Committee on the Nomeuclature and Classificatiou 



of Minerals 149 



Greetings to Professors Groth and Goldschmidt 149 



Presentation of papers 149 



Sites and nature of tlie North American geosynclines ; Presidential ad- 

 dress by Charles Schuchert 151 



Kobers theory of orogeny ; by C. R. Longwell 231 



The Asiatic arcs ; by William H. Hobbs 243 



Cross-section of the Appalachians in southern New England ; by J. B. 



WOODWORTH 258 



Structure of the Rocky Mountains in Idaho and Montana ; hj G. R. Mans- 

 field : ^ 263 



Building of the southern Rocky Mountains, by Willis T. Lee; with Notes 

 on isostasy, by C. E. Vax Orstraxd, and Elastic yielding of the earth's 



crust under a load of sedimentary deposits, hj W. D. Lambert 285 



Outlines of Appalachian structure ; by Arthur Keith 309 



Contribution to the hypothesis of mountain formation ; by E. C. Andrews 381 

 Recent progress and trends in vertebrate paleontology ; Presidential ad- 

 dress by W. D. Matthew ._ 401 



Some structural features of the plains area of Alberta caused by I'leisto- 



cene glaciation ; by O. B. Hopkins 419 



Fusion of sedimentary rocks in drill-holes ; by N. L. Bowen and M. 



AuRoussEAr 431 



Carnivorous Saurischia in Europe since the Triassic; by F. von Huene. . 449 



Contribution to the vomer-parasphenoid question; by F. von Huene 459 



Lines of phyletic and biological development of the Ichthyopterygia ; by 



F. voN Huene 46ti 



Is the channel of the Missouri River through Nortli DakotM of Tertiary 



origin ? ; l)y J. E. Todd 409 



Merging of Carlile shale and Timpas limestone formations in southeastern 



Colorado ; by H. B. Patton 495 



Glacial lake problems ; by G. H. Chadwick 499 



Ordovician overlap in the Piedmont province of Pennsylvania and Mary- 

 land ; by G. W. Stose and Anna I. Jonas 507 



Appalachian bauxite deposits ; by W. A. Nelson 525 



Crystalline rocks of the Plains ; by C. N. Gould 541 



Cretaceous age and early Eocene uplift of a peneplain in southern British 



Columbia ; by W. L. Uglow 561 



Glaciation drainage on the Columbia Plateau ; by J. H. Bretz 573 



Range and distribution of certain types of Canadian IMeistocene concre- 

 tions ; by E. M. Kindle 609 



Boudinage, an unusual structural phenomenon; by T. T. Quirke 649 



Some criteria used in recognizing active faults; by Stephen Taber 661 



The Lake Superior geosyncline ; by W. O. Hotchkiss 669 



Pre-Cambrian folding in North America ; by W. J. Miller 679 



rieotherms of Lake Superior copper country ; by A. C. Lane 703 



Cambro-Ordovician section near Mount Robson. British Columbia ; by 

 L. D. Burling 721 



