weeks.] LIST OF PUBLICATIONS EXAMINED. 13 
West Virginia Geological Survey, vol. 1 A, 1904. Morgantown, W. Va. 
Wisconsin Academy of Science, Arts, and Letters: Transactions, vol. 14, pt. 2, 1904. 
Madison, Wis. 
Wisconsin Geological and Natural History Survey: Bulletin, nos. 11-13, 1904. Madi- 
son, Wis. 
Wyoming Historical and Geological Society: Proceedings and Collections, vol. 8, 
1904. Wilkesbarre, Pa. 
Yorkshire Geological and Polytechnic Society: Proceedings, new series, vol. 15, 
pt. 2, 1904. Leeds, England. 
Zeitschrift der deutschen geologische Gesellschaft: Band 56, 1904. Berlin, Germany. 
Zeitschrift fur praktische Geologie (except abstracts), Jahrg. 12, 1904. Berlin, 
Germany. 
