,913.] MINUTES. ix 



(illustrated), by Clarence E. McClung, A.M., Ph.D., Pro- 

 fessor of Zoology, University of Pennsylvania (introduced 

 by Dr. George A. Piersol). Discussed by Dr. Minot. 



" Fever : Its Nature and Significance," by Victor C. Vaughan, 

 M.D., LL.D., Professor of Hygiene and Physiological Chem- 

 istry, University of Michigan. Discussed by Dr. Wilder. 



"The Control of Typhoid Fever by Vaccination," by Mazyck 

 P. Ravenel, M.D., Professor of Bacteriology, University of 

 Wisconsin. 



Afternoon Session — 2 o'clock. 



William B. Scott, Ph.D., Sc.D., LL.D., Vice-President, in the 



Chair. 



The following papers were read : 

 "Gautemala and the Highest Native American Civilization," 

 by Ellsworth Huntington, M.A., Ph.D., Assistant Professor 

 of Geography, Yale University (introduced by Mr. Henry 

 G. Bryant). Discussed by Professor Scott and Mr. Joseph 

 Willcox. 

 " Further Considerations on the Origin of the Himalaya Moun- 

 tains and the Plateau of Tibet," By T. J. J. See, A.M., Ph.D., 

 U. S. Naval Observatory, Mare Island, Cal. 

 " Dana's Contribution to Darwin's Theory of Coral Reefs," by 

 William Morris Davis, Sc.D., Ph.D., Sturgis-Hooper Pro- 

 fessor of Geology, Emeritus, Harvard University. Discussed 

 by Professor Scott. 

 " The Formation of Coal Beds," by John J. Stevenson, A.M., 

 LL.D., Emeritus Professor of Geology, .University of tlie 

 City of New York. 

 "Cambrian Fossils from British Columbia" (illustrated), by 

 Charles D. Walcott, Ph.D., Sc.D., LL.D., Secretary of the 

 Smithsonian Institution. 

 " The Alleghenian Divide and Its Influence Upon Fresh Water 

 Faunas," by Arnold E. Ortmann, Ph.D., Sc.D., Curator of 

 Invertebrate Zodlogy, Carnegie Museum, Pittsburgh. Dis- 



