CONTENTS 



Pages 

 Report of the Committee on the Nomenclature of Faults. By H. F. 

 Reid, Chairman; W. M. Davis, A. C. Lawson, F. L. Ransome, 

 Committee 163-186 



Nomenclature of Surface Forms on Faulted Structures. By W. M. 



Davis 187-216 



Postglacial Earth- Movements about Lake Ontario and the Saint Law- 

 rence River. By J. W. Spencer 21 7~228 



Relationship of the Great Lake Basins to the Niagara Limestone. 



By J. W. Spencer 229-232 



Spiriferoids of the Lake Minnewanka Section, Alberta. By H. W. 



Shimer 233-240 



Homology of the "Lacrimal" and of the "Alisphenoid " in Recent 



and Fossil Reptiles. By William K. Gregory 241-246 



Relationship of the Tupaiidae and of Eocene Lemurs, especially 



Notharctus. By William K. Gregory - - 247-252 



Petroleum Fields of Northeastern Mexico between the Tamesi and 



Tuxpan Rivers. By I. C. White 253-274 



Note on a Very Deep Well near McDonald, Pennsylvania. By I. C. 



White 275-282 



Certain Theoretical Considerations Affecting Phylogeny and Corre- 

 lation. By W. D. Matthew 283-292 



Pre-Cambrian Structure of the Northern Black Hills, South Dakota, 

 and its Bearing on the Origin of the Homestake Ore Body. 

 By Sidney Paige - - 293-300 



Petrology of a Series of Igneous Dikes in Central Western Virginia. 



By Thomas L. Watson and Justus H. Cline 301-334 



Northumberland Volcanic Plug. By H. P. Cushing 335-350 



Alexandrian Series in Missouri and Illinois. By T. E. Savage - - 351-376 



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