X BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Occurrence of mammal remaius in the asphalt beds of Mc- 



Kittrick, California [abstract] ; by Neill C. Cor>'\vall 167 



Outline of the history of the Castoridiie [abstract] ; by W. P. 



Taylor 161 



Ci etaceous-Eocene contact in the Atlantic and Gulf Coastal 



Plain [abstract] ; by L. W. Stephenson 168 



lone formation of the Sierra Nevada foothills, a local facies 

 of the Upper Tejon-Eocene [abstract] ; by Roy E, Dickeb- 



soN 168 



Stratigraphic and faunal relations of the later Eocene of the 



Pacific [abstract] ; by Harold Hannibal 168 



Fauna and relations of the white shales of the Coalinga Dis- 

 trict ; by John H. Ruckman 168 



Vertel)rate fauna in the marine Tertiary of California ; their 

 significance in determining the age of California Tertiary 



. formations ; by J. C. MERRLi.M 168 



Geology of a portion of the McKittrick oil field; by G. C. 



Gester 169 



Papers of the University of Washington Meeting 169 



Stratigraphic and faunal relations of the Lincoln formation 



in Washington ; by Charles E. Weaver 169 



Cretaceous faunas of the Santa Ana Mountains [abstract] ; 



by Earl L. Packard 169 



Review of the fauna of the Rattlesnake Pliocene of eastern 



Oregon [abstract] ; by John C. Merriam 169 



Eocene of the Cowlitz Valley ; by Charles E. Weaver 169 



Fauna of the Siphonalia sutterensis zone in the Roseburg 



quadrangle, Oregon [abstract] ; by Roy E. Dickerson 169 



Evolution of the Pacific Coast Mactridfe [abstract] ; by Earl 



L. Packard 170 



Correlation of the Tertiary formations in western Washing- 

 ton ; by Charles E. Weaver 170 



Isostasy and Radioactivity; Presidential address by George F. Becker... 171 

 Diastrophic importance of the unconformity at the base of the Berea grit 



in Ohio ; by H. P. Gushing 205 



Origin of the Red Beds of western Wyoming; by E. B. Branson 217 



Origin of thick gypsum and salt deposits ; by E. B. Branson 231 



Length and character of the earliest inter-Glacial period; by A. P. Cole- 

 man 243 



Obsidian from Hrafntinnuhryggur, Iceland : its lithophj^sre and surface 



markings ; by Fred. E. Wright 255 



Post-Ordovician deformation in the Saint Lawrence Valle3% Xew York ; 



by George H. Ch^u)wick 287 



Close of Jurassic and opening of Cretaceous time in North America ; by 



Henry Fairfield Osborn 295 



Reasons for regarding the Morrison an introductory Cretaceous formation ; 



by Willis T. Lee 303 



Origin and distribution of the Morrison formation; by Charles C. Mook. 315 



