iQio.] MINUTES. XI 



" Newton's Rings as Zone-plates," by Robert Williams Wood, 

 Professor of Experimental Physics at Johns Hopkins Uni- 

 versity, Baltimore. 



" New Surgery of the Mscera of the Chest," by Alexis Carrel. 

 Associate Member of the Rockefeller Institute for Medical 

 Research, New York. 



" Experimental Poliomyelitis in Monkeys," by Simon Flexner, 

 Director of Laboratories of Rockefeller Institute for Medical 

 Research, New York. 



" Description of the Brain of an Eminent Chemist and Geologist 

 (a member of this society) — a note Concerning the Size of 

 the Callosum in Notable Persons," by E. A. Spitzka, Profes- 

 sor of General Anatomy in Jefferson Medical College, Phila- 

 delphia. 



" A Brain of about One Half the x\verage Weight from an 

 Intelligent White Man," by Burt G. Wilder, Professor of 

 Neurology and Vertebrate Zoology in Cornell University, 

 Ithaca, N. Y. 



Afternoon Session — 2 o'clock. 

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



The following papers were read : 

 " Characteristics of Existing Continental Glaciers," by William 



H. Hobbs, Professor of Geology in University of Michigan, 



Ann Arbor. 

 " Dermal Bones of Paramylodon from the Asphaltum Deposits 



of Rancho la Brea, near Los Angeles, Cal." 

 "The Restored Skeleton of Lcptaiichenia decora," by William 



J. Sinclair, Instructor in Geology in Princeton University. 



(Introduced by Professor W. B. Scott.) 

 " Correlation of the Pleistocene of the New and Old Worlds," 



by Henry Fairfield Osborn, President of the American 



Museum of Natural History, New York. 

 ■" The Primates of the Old and the New Worlds, together with 



Man," by Giuseppe Sergi, Professor of Anthropology in the 



University of Rome, Italy. 



