Vlll BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Sericite, a low-temperature hydrothermal mineral ; by A. F. Rogers 180 



Amiual dinner 181 



Session of Thursday, August 5 181 



Physiographic control in the Philippines [discussion] ; by Wareen 



D. Smith 181 



Origin of the basins within the Hamada of the Libyan Desert 



[title] ; by William H. Hobbs 181 



The limited effective vertical range of the desert sand-blast, based 

 on observations made in the Libyan Desert and in the Anglo- 



Egyption Sudan [title] ; by William H. Hobbs 181 



Diastrophism of the Pacific Coast [title].; by R. S. Holway 181 



Notes on Mount Lassen eruptions [title] ; by J. S. Diller 181 



Geology of portions of western Washington [discussion] ; by 



Charles E. Weaver 182 



The problem of the Texas Tertiary sands [discussion] ; by E. T. 



DUMBLE 182 



Pisolites at San Antonio, Texas [discussion] by Alexander Deus- 



SEN 182 



Geologic age of the Coal Creek batholith and its bearing on some 

 other features of the geology of the Colorado Front Range [dis- 

 cussion] ; by Hyrum Schneider 182 



Occurrence of flow-breccias in Colorado [discussion] ; hj H. B. 



Patton 182 



Geology of a portion of the Santa Ynez River district, Santa 



Barbara County, California [title] ; by W. S. W. Kew 182 



Some interesting changes in the composition of the Salton Sea 



[title] ; by A. E. Vinson 182 



Examples of successive replacement of earlier sulphide minerals 



by later sulphides at Butte, Montana [title] ; by J. C. Ray 182 



Structure of the southern Sierra Nevada [discussion] ; by J. P. 



BUWALDA 193 



Register of the California meeting 183 



Minutes of special meeting to canvass ballot for officers 184 



Proceedings of the Seventeenth Annual Meeting of the Cordilleran Section, 

 held at San Diego, California, August 10, 1916 ; J. A. Taff, Secretary . . . 185 



Session of August 10 , 185 



Age of the Ellensberg formation of eastern Oregon ; by J, C. Mer- 



RIAM 185 



Some indications of climatic zones in California during Lower 



Eocene time ; by Roy E. Dickeeson 185 



Relationship of Teratornis to other reptorial birds; by Loye H. 



Miller 185 



Recent extension of the distribution of marine wood borers in San 



Pablo Bay ; by Albert L. Barrows 186 



Proceedings of the Eighteenth Annual Meeting of the Cordilleran Section. 

 held at Stanford University, California, April 6 and 7, 1917 ; J. A. Taff, 

 k^ecretarij ^gj 



