vi CONTENTS TO VOLUME XXX 



PAGE 



Fault Features OF Salton Basin, California. John S. Brown . 217 

 Marine Upper Cretaceous and a New Echinocorys from the 



Altaplanicie OF Bolivia. Edward W. Berry 227 



Former Courses of the Androscoggin River. Irving B. Crosby . 232 

 Notes on the Santd Dunes of Northwestern Indiana. George B. 



Cressey 248 



Petrological Abstracts and Reviews 252 



Revlews 257 



NUMBER IV 



On Contact Phenomena Between Gneiss and Limestone in 



Western Massachusetts. Pentti Eskola 265 



A Criticism of the "Faunal Relationships of the Meganos 



Group " BY Bruce L. Clark. Roy E. Dickerson . . . . 295 

 The Age of the Domes and Anticlines in the Lost Soldier-Ferris 



District, Wyoming. A. E. Fath 303 



On the Occurrence of an Apus in the Permian of Oklahoma. 



Rudolf Ruedemann 311 



Petrological Abstracts antd Reviews 319 



Reviews ■. . 325 



NUMBER V 



Post-Glacial Lakes in the Mackenzie River Basin, Northwest 



Territories, Canada. A. E. Cameron 337 



Dinosaur Tracks in Hamilton County, Texas. W. E. Wrather . 354 

 Problems in Stratigraphy Along the Rocky jNIountain Trench. 



Francis Parker Shepard 361 



A Scale of Grade and Class Terms for Clastic Sediments. Chester 



K. Wentworth 377 



The Pre-Cambrlan of Western Patricia. E. M. Burwash . . 393 



Petrological Abstracts and Reviews 401 



Reviews 4" 



NUMBER VI 



TheHot Water Supply OF the Hot Springs, Arkansas. Kirk Bryan 425 



A Denovian Outlier Near the Crest of the Ozark Uplift. Josiah 



Bridge and B. E. Charles . 45° 



The Early Pre-Cambrian Formations of Northern Ontario and 



Northern Manitoba. E. L. Bruce 459 



The Time of Glacial Loess Accumulation in Its Relation to the 

 Climatic Implications of the Great Loess Deposits: Did 

 They Chiefly Accumulate During Glacial Retreat ? Stephen 

 Sargent Visher 472 



