iv BULL. GEOL. SOC. AM., VOL. 3. 



Page 

 Peculiar geologic Processes on the Channel Islands of California 



(abstract) ; by Lorenzo G. Yates 133 



Inequality of Distribution of the englacial Drift ; by Warrkx 



Upham 134 



Effects of Drought and Winds on alluvial Deposits in New Eng- 

 land ; by Homer T. Fuller 148 



A Deep Boring in the Pleistocene near Akron, Ohio ; by E. W. 



Claypole 150 



Register of the Washington Summer Meeting, 1891 152 



Preliminary Notes on the Discovery of a vertebrate Fauna in Silurian (Ordo- 



vician) Strata ; by C. D. Walcott 153 



Certain extra-morainic Drift Phenomena of New Jersey; by P. D. Salisbury. 173 

 On the northward and eastward Extension of the pre-Pleistocene Gravels of 



the Mississippi Basin ; by P. D. Salisbury 183 



The Mannington Oil Field and the History of its Development; by I. C. 



White 187 



Fossil Plants from the Permian Beds of Texas ; by I. C. White 217 



Notes on the Geology of the Valley of the middle Rio Grande ; by E. T. 



Dumble 219 



Eleolite-Syenite of Litchfield, Maine, and Hawes' Hornblende-Syenite from 



Red Hill, New Hampshire ; by W. S. Bayley 231 



A Revision and Monograph of the Genus Chonophyllum ; by W. H. Sherzer. . 253 



The Principal Mississippian Section ; by C. R. Keyes 283 



Two Montana Coal Fields ; by W. H. Weed 301 



Paleozoic Formations of southeastern Minnesota ; by C. W. Hall and F. W. 



Sardesox 331 



Geology of the Tavlorville Region of California ; by J. S. Diller 369 



Jura and Trias at Tavlorville, California ; by Alpheus Hyatt 395 



Stratigraphy and Succession of the Rocks of the Sierra Nevada of California ; 



by J. E. Mills 413 



The Geology of the Crazy Mountains, Montana ; by J. E. Wolff 445 



Proceedings of the Fourth Annual Meeting, held at Columbus, Ohio, December 



29, 30, and 31, 1891 ; H. L. Fairciiild, Secretary 453 



Session of Tuesday, December 29 454 



Election of Officers and Fellows 454 



Memorial of John Francis Williams 455 



Fossil Plants from the Wichita or Permian Beds of Texas (discus- 

 sion by E. W, Claypole, Alpheus Hyatt and E. T. Dumble); by 



I. C. White 459 



Secondary Banding in < ineiss ; by William II. Hobbs 460 



Paleozoic Formations of southeastern Minnesota (discussion by W J 

 McGee and C. W. Halle by C. W. Hall and F. W. Sardeson.. . . 4(54 



Evening Session of Tuesday. December 29 465 



Session of Wednesday. December 30 466 



Report of the ( ouncil 466 



Second Annual Report of the Committee on Photographs 470 



Notes on the Geology of the Valley of the middle Rio Grande (dis- 

 cussion by W J McGee) ; by E- T. Dumble 483 



