vi CONTENTS TO VOLUME XXII 



PAGE 



On the Names op American Fusulinas. George H. Girty . . 237 

 The Red Beds between Wichita Falls, Texas, and Las Vegas, 



New Mexico, in Relation to Their Vertebrate Fauna. 



E. C. Case 243 



Pleistocene Vulcanism of the Coast Range of British Columbia. 



Edward M. Burwash 260 



DiASTROPHISM AND THE FORMATIVE PROCESSES. VI. FORESET 



Beds and Slope Deposits. T. C. Chamberlin .... 268 



Petrological Abstracts and Reviews 275 



Reviews 286 



NUMBER IV 



The Strength of the Earth's Crust. IV. Heterogeneity 

 AND Rigidity of the Crust as Measured by Departures 

 FROM IsosTASY. Joseph Barrell 289 



DiASTROPHISM AND THE FORMATIVE PROCESSES. VII. PERIODICITY 



OF Paleozoic Orogenic Movements. RoUin T. Chamberlin . 315 

 On the Relations of the Great Marlborough Conglomerate to 

 THE Underlying Formations in the Middle Clarence Val- 

 ley, New Zealand. C. A. Cotton 346 



The Osteology of Some American Permian Vertebrates. S. W. 



Williston 364 



Studies for Students: A Classification of Common Sediments 

 AND Some Criteria for Identification of the Various Classes. 



Arthur C. Trowbridge 420 



Petrological Abstracts and Reviews . . . . . . . 437 



Reviews 440 



NUMBER V 



The Strength of the Earth's Crust. V. The Depth of MasseS' 

 Producing Gravity Anomalies and Deflection Residuals. 

 Joseph Barrell 441 



Certain Types of Stream Valleys and Their Meaning. John 



Lyon Rich 469 



Stream Piracy and Natural Bridges in the Loess of Southeast 



Missouri. C. L. Dake 498 



Crystalloblastic Order and Mineral Development in Meta- 



morphism. Frederic H. Lahee 500 



