-' CONTENTS Vll 



■) ■:<■■■ Page 



Report of the Committee on the Nomenclature of Faults ; by Harry Field- 

 ing Reid, chairman; William Morris Davis, Andrew C. Lawson, and 



F. L. Ransome, committee 163 



Nomenclature of surface forms on faulted structures ; by W. M. Davis 187 



Postglacial earth-movements about Lake Ontario and the Saint Lawrence 



River ; by J. W. Spencer 217 



Relationship of the Great Lake basins to the Niagara limestone ; by J. W. 



Spencer 229 



Spiriferoids of the Lake Minnewanka Section, Alberta; by H. W. Shimer. 233 

 Homology of the "Lacrimal" and of the "Alisphenoid" in recent and fossil 



reptiles ; by William K. Gregory 241 



Relationship of the Tupaiidw and of Eocene Lemurs, especially Notharc- 



tus; by William K. Gregory 247 



Petroleum fields of northeastern Mexico between the Tamesi and Tuxpan 



rivers ; by I. C. White 253 



Note on a very deep well near McDonald, Pennsylvania; by I. C. White. . 275 

 Certain theoretical considerations affecting phylogeny and correlation ; by 



W. D. Matthew .... 283 



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 



Petrology of a series of igneous dikes in central western Virginia ; by 



Thomas L. Watson and Justus H. Cline 301 



Northumberland Volcanic Plug; by H. P. Cushing 335 



Alexandrian series in Missouri and Illinois ; by T. E. Savage 351 



Correlation problems suggested by a study of the faunas of the Eastport 



Quadrangle, Maine ; by Henry Shaler Williams 377 



Early Paleozoic delta deposits of North America ; by Amadeus W. Grabau . 399 

 Pre-Wisconsin glacial drift in the region of Glacier National Park, Mon- 

 tana ; by Wm. C. Alden and Eugene Stebinger 529 



Water and volcanic activity ; by Arthur L. Day and E. S. Shepherd 573 



Origin of the Bighorn dolomite of Wyoming ; by Eliot Black welder 607 



Index to Ulrich's Revision of the Paleozoic systems ; by E. O. Ulrich 625 



Abstracts of papers presented at the Twenty-fifth Annual Meeting of the 

 Society, but not published in full in the preceding pages of this volume, 

 together with discussions of papers as far as preserved; E. O. Hove v. 



Secretary 669 



Experimental geology, one of the large subdivisions of geology [ab- 

 stract and discussion] ; by Fred E. Wright 671 



Structural geology of the Hanover District, New Hampshire I ab- 

 stract] ; by John Wesley Merritt t'>72 



Effect of high pressures on the physical and chemical behavior of solid 

 substances [abstract and discussion] ; by John Johnston and L. II. 



Adams ( " ' 



Structural features of a portion of southeast Idaho [abstract]; by 



R. W. Richards and G. R. Manskikld 678 



Bannock thrust— a major fault in southeast Idaho [abstract ami dlfl 



cussion] ; by R. W. Richards and G. EL M wm n LD <•.."» 



Angular unconformity at Oa I ski 11 [abstract] : by Geobge n. OhadWioi 876 

 Displacements of triangulation stations in Sumatra due to an earth 

 quake In 1892 [abstract] ; by Harry Fielding Kim 676 



