Xll BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Officers, correspondents, and members of the Paleontological Society . . 226 

 Minutes of the Ninth Annual Meeting of the Pacific Coast Section of 



the Paleontological Society ; by Chester Stock, Secretary 231 



Election of officers 231 



Tribute to C. A. Waring 231 



Reading of paleontological papers 232 



Stratigraphic and faunal relations of the Meganos group 



(Middle Eocene) , California ; by B. L. Clark 232 



Cenozoic history of the ground sloth group [abstract] ; by 



Chester Stock 232 



Luncheon and excursion 232 



Earth sciences as the background of history ; Presidential address by J. C. 



Merriam 233 



Discoidal structure of the lithosphere ; by B. Willis 247 



Oscillations of level in the belts peripheral to the Pliestocene ice-caps ; by 



R. A. Daly 303 



Extent and thickness of the Labrador ice-sheet 319 



Quantitative methods of estimating ground-water supplies; by O. E. 



Meinzer 329 



The teaching of historical geology as a factor conditioning research; by 



J. C. Merriam ; 339 



Structural and petrographic geology ; by J. F. Kemp 351 



Teaching of geology as related to research ; by H. E. Gregory 357 



American paleontologists and the immediate future of paleontology; by 



C. SCHUCHERT 363 



The teaching of historical geology ; by H. E. Cleland 375 



Fossils as aids in teaching stratigraphy, or applied paleontology; by 



S. Weller 383 



The teaching of paleobotany ; by E. W. Berry 389 



Value and use of stages in development in teaching paleontology ; by R. T. 



Jackson 395 



Researches on sedimentation ; by T. W. Vaughan 401 



Physical and geographic criteria in the study of sedimentary deposits ; by 



E. A. Shaw 4.-^1 



Cmerical researches on sediments ; by H. E. Merwin 419 



Diagenesis in sedimentation ; by C. Schuchert 425 



Oil geology in relation to valuation ; by R. Arnold 433 



