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CONTENTS 



Page 

 Bibliography of the geology, mineralogy, and paleontology of Brazil ; by 



J. C. Branner 1 



Present phase of the Pleistocene problem in Iowa; Presidential address 



by Samuel Calvin 133 



First calcareous fossils and the evolution of the limestones ; by Reginald 



A. Daly 153 



Geometry of faults ; by H. F. Reid 171 



Trap sheets of the Lake Nipigon region ; by A. W. G. Wilson 197 



Contribution to the geology of the Silver Creek quadrangle, Nevada 223 



Kinderhook faunal studies — V, the fauna of the Fern Glen formation ; by 



Stuart Weller 265 



Shortage of coal in the northern Appalachian coal field; by I. C. White. . 333 



Aftonian mammalian fauna ; by Samuel Calvin 341 



Unconformity in the so-called Laramie of the Raton coal field, New Mex- 

 ico ; by Willis T. Lee 357 



Proposed classification of crystals based on the recognition of seven funda- 

 mental types of symmetry ; by C. K. Swartz 369 



Aftonian sands and gravels in western Iowa ; by B. Shimek 399 



Striations and U-shaped valleys produced by other than glacial action; 



by E. O. Hovey 409 



Clearing out of the Wallibu and Rabaka gorges on Saint Vincent island; 



by E. O. Hovey 417 



Paleogeography of North America ; by Charles Schuchert 427 



Proceedings of the Twenty-first Annual Meeting, held at Baltimore, Mary- 

 land, December 29, 30, and 31, 1908; Edmund Otis Hovey, Secretary. . . 607 



Session of Tuesday, December 29 609 



Report of the Council 609 



Secretary's report 609 



Treasurer's report 612 



Editor's report 614 



Librarian's report 615 



Election of officers 616 



Election of Fellows 616 



Memoir of Homer T. Fuller (with bibliography) ; by Edmund 



Otis Hovey 617 



Memoir of William S. Yeates ; by George P. Merrill 618 



Some distinctions between marine and terrestrial conglomerates 



[abstract] ; by Joseph Barrell 620 



Report of Committee on Geologic Nomenclature 620 



Evidence of former connection between the eastern and western 

 coal fields across central Kentucky [abstract] ; by Arthur M. 



Miller 621 



Landslide accompanied by buckling, and its relation to local 



anticlinal folds ; by Frank R. Van Horn 625 



iii 



