1902.] MINUTES. 87 



visory Committee in Astronomy of the Carnegie Institution 

 (Prof. E. C. Pickering, Chairman), inviting suggestions 

 regarding investigations in astronomy, which should be 

 aided by the Carnegie Institution. 



The following papers were read : 



" Origin of the Oligocene and Miocene Deposits of the 

 Great Plains," by Prof. John B. Hatcher, of Pittsburg. 



" The Upper Cretaceous and Lower Tertiary Section of 

 Central Montana," by Prof. W. B. Scott, for Mr. Earl Doug- 

 lass, of Princeton. 



" On South American Mammals," by Prof. William B. 

 Scott, of Princeton. 



" The Mammals of Pennsylvania and New Jersey," by 

 Mr. Samuel N. Ehoads, of Audubon, N. J. 



" The Identity of the Whalebone Whales of the Western 

 North Atlantic," by Dr. Frederick W. True, of Washington. 



Afternoon Session, 2 P.M. 

 President Wistar in the Chair. 



The following papers were read : 



' ' On the Molluscan Fauna of the Patagonian Formation, ' ' 

 by Prof. W. B. Scott, for Dr. H. von Ihering, of Sao 

 Paulo, Brazil. 



' ' A Comparison between the Ancient and Eecent Mollus- 

 can Fauna of JSTew England," by Prof. Edward S. Morse, of 

 Salem, Mass. 



" Distribution of Fresh- water Decapods and its bearing 

 upon Ancient Geography," by Prof. Arnold E. Ortmann, 

 Ph.D., of Princeton. 



' ' Systematic Geography, ' ' by Prof. William Morris Davis, 

 of Cambridge, Mass. 



" On Drift Casks in the Arctic Ocean," by Mr. Henry G. 

 Bryant, of Philadelphia. 



" On the Magnetic Properties of Mckel," by Mr. Joseph 

 Wharton, of Philadelphia. 



