1893.] Proceedings of Scientific Societies. 1031 
CONGRESS on GEoLocy.—August 21-26.—General Committee of 
the World’s Congress Auxiliary on a Geological Congress: Josua 
Lindahl, Chairman; W. R. Head, E. Andrews, Victor C. Alderson, 
Oliver Marey, T. C. Chamberlin, Chas. W. Rolfe, J. P. Iddings, R. D. 
Salisbury. Committee of Geological Section of American Associa- 
tion for the Advancement of Science: T. C. Chamberlin, Chairman, 
H. S. Williams, G. K. Gilbert, R. D. Salisbury, J. C. Branner, J. F. 
Whiteaves, C. D. Walcott, N. H. Winchell, E. A. Smith, W J 
McGee, G. H. Williams. 
Addresses of Welcome by the President of the World's Congress 
Auxiliary and others. Responses in behalf of different Congresses and 
countries, Methods of Teaching Geology, Miss Mary Holmes, Ph. D., 
Rockford, Ill. Physical Geology, Miss Mary K. Andrews, Belfast, 
Ireland. Chemical Geology, Miss Louise Foster, Boston, Mass. 
August 22.— Granites of Massachusetts and Their Origin, Mrs. Ella 
F. Boyd, Hyde Park, Mass. Artistic Geology, Mrs. S. Maxon-Cobb, 
Boulder, Colo. 
August 23.— The Geology of Ogle County, Mrs. C. M. Winston, 
Chicago. The Fossils of the Upper Silurian, Mrs. Ada D. Davidson, 
Oberlin, Ohio. 
August 24.—Crinoidea and Blastoidea of the Kinderhook Group as 
Found in the Quarries near Marshalltown, Iowa, Jennie MeGowen, A. 
M., M. D., Davenport, Iowa. The Evolution of the Brachiopoda, 
Miss Agnes Crane, Brighton, England. 
August 25.—The Mastodon in Northern Ohio; Post Glacial or Pre- 
Glacial, Miss Ellen Smith, Painesville, Ohio. Paleontology, MissJane 
Donald Carlisle, England. 
August 26.—Glacial Markings, Miss Thomson, Neweastle England. 
August 24.—Address of Welcome by the President of the Auxiliary, 
Hon. Charles C. Bonney. The General Geology of Brazil, Dr. O. A. 
Derby, Director of the Geological Survey of Sao Paulo. The General 
Geology of Venezuela, Dr. Adolph Ernst, Special Delegate from Vene- 
zuela to the Columbian Exposition. Pre-Cambrian Rocks of Wales, 
Dr. Henry Hicks, London, England. The Classification of the Rock 
Formations of Canada, with Special Reference to the Paleozoie Era, 
Henry M. Ami, Geological Survey of Canada. The Cordilleran Meso- 
zoie Revolution, Dr. A. C. Lawson, University of California. The Pre- 
Paleozoie Floor in the Northwestern States, Professor C. W. Hall, 
University of Minnesota. Distribution of Pre-Cambrian Volcanic 
Rocks along the Eastern Border ofthe United States and Canada, 
Professor George H. Williams, Johns Hopkins University. 
69 
