CONTENTS 



Pages 

 Recent Progress and Trends in Vertebrate Paleontology. Presidential 



Address by W. D. Matthew. 401-418 



Sofne Structural Features of the Plains Area of Alberta Caused by Pleis- 

 tocene Glaciation. By Oliver B. Hopkins 419-430 



Fusion of Sedimentary Rocks in Drill-holes. By N. L. Bowen and M. 



Aurousseau 431-448 



Carnivorous Saurischia in Europe Since the Triassic. By F. Von Huene_ 449-458 



Contribution to the Vomer-Parasphenoid Question. By F. Von Huene 459-462 



Lines of Phyletic and Biological Development of the Ichthyopterygia. 



By F. Von Huene 463-468 



Is the Channel of the Missouri River Through North Dakota of Tertiary 



Origin? By James E. Todd 469-494 



Merging of Carlile Shale and Timpas Limestone Formations in Southeast- 

 ern Colorado. By Horace Bushnell Patton 495-498 



Glacial Lake Problems. By George H. Chadwick- 499-506 



Ordovician Overlap in the Piedmont Province of Pennsylvania and Mary- 

 land. By George W. Stose and Anna I. Jonas 507-524 



Appalachian Bauxite Deposits. By Wilbur A. Nelson 525-540 



Crystalline Rocks of the Plains. By Charles N. Gould 541-560 



Ccetaceous Age and Early Eocene Uplift of a Peneplain in Southern Brit- 

 ish Columbia. By W. L. Uglow 561-572 



Glaciation Drainage on the Columbia Plateau. By J. Harlen Bretz 573-608 



Range and Distribution of Certain Types of Canadian Pleistocene Con- 

 cretions. By E. M. Kindle 609-648 



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