X BULLETIN OF THE GEOLOGICAL SOCIETY OP AMERICA 



Page 



Dry land in geology ; presidential address by Arthur P. Coleman 175 



Hypersthene syenite and related rocks of the Blue Ridge region, Virginia ; 



by Thomas L. Watson and Justus H. Cline 193 



Pleistocene uplift of New York and adjacent territory ; by Herman L. 



Fairchild 235 



Glaciation in the White Mountains of New Hampshire ; by James Walter 



Goldth wait 263 



Pleistocene drainage changes in western North Dakota ; by A. G. Leonard 295 

 Alexandrian rocks of northeastern Illinois and eastern Wisconsin ; by T. B. 



Savage 305 



Petrography of the Pacific Islands ; by Reginald A. Daly. , . 325 



Dominantly fluviatile origin under seasonal rainfall of the Old Red Sand- 

 stone ; by Joseph Barrell 345 



Influence of Silurian-Devonian climates on the rise of air-breathing verte- 

 brates ; by Joseph Barrell 387 



Crystalline marbles of Alabama ; by William F. Prouty 437 



Correlation and displacements of the strand-line and the function and 



proper use of fossils in correlation ; by E. O. Ulrich 451 



Correlation and chronology in geology on the basis of paleogeography ; by 



Charles Schuchert 491 



Methods of correlation by fossil vertebrates ; by W. D. Matthew 515 



Principles governing the use of fossil plants in geologic correlation ; by 



F. H. Knowlton 525 



Silurian formations of southeastern New York, New Jersey, and Pennsyl- 

 vania ; by Charles Schuchert 531 



Comparison of American and European Lower Ordovicic formations; by 



Amadeus W. Grabau 555 



Triassic igneous rocks in the vicinity of Gettysburg, Pennsylvania; by 



George W. Stose and J. Volney Lewis 623 



Glacial lakes and other glacial features of the central Adirondacks; by 



Harold L. Alling 645 



Cretaceous of Alberta, Canada ; by Joseph H. Sinclair 673 



Triassic rocks of Alaska ; by George C. Martin 685 



Index 719 



ILLUSTRATIONS 

 Plates 



Plate 1 — Reis : Portrait of Tbeo. B. Comstock 12 



" 2— Branneh : Portrait of Orville A. Derby 15 



3— Pratt : Portrait of J. A. Holmes 22 



" 4— Robertsox : Portrait of W. J. Sutton 35 



5— Coleman : Portrait of A. B. Willmott 37 



" 6— Moore : Examples of australites 51 



" 7 — Stauffer : The Anderdon surface at Amherstburg, Ontario .... 72 



" 8 " Pre-Onondaga jointing at Amherstburg, Ontario.... 74 



" 9 " Fossiliferous surfaces of Anderdon at Amherstburg, 



Ontario 76 



