1889.] 



533 



vania Geological Survey, Harrisburg ; William S. Baker, 

 Henry Phillip?, Jr., Dr. Charles A. Oliver, Philadelphia ; 

 Johns Hopkins University, Baltimore ; National Academy of 

 Sciences, Department of State, U. S. Commission of Fish and 

 Fisheries, A. S. Flint, Gen. M. C. Meigs, Washington, D. C. ; 

 Direccion del Goberno del Estado de Michoacan, Morelia, 

 Mex. 



The Committee on C, R. Keyes' Paper reported progress 

 and was continued. 



The deaths of the folloAving members were announced : 



M. Gaston Plante, Paris, May 21, 1889, ?et. 55. 



Prof, Leo Lesquereux, Columbus, Ohio, October 21, 1889, 

 c^t. 83. 



Mr. Henry Winsor, Philadelphia, October 29, 1889, set. 86. 



On motion, the President was authorized to appoint suit- 

 able persons to prepare the usual obituary notices of Mr. Win- 

 sor and Prof. Lesquereux. 



Prof. Ryder read a paper entitled "A Physiological Theory 

 of the Calcification of the Skeleton." 



Prof. Cope presented a " Geological Survey of the Concho 

 Country, Texas," by Prof. J. W. Cummings and Dr. Otto 

 Lerch. 



A communication read from Mr. Burnet Landreth in refer- 

 ence to an Association of Centenary Firms and Corporations 

 of the United States was ordered to be filed. 



On motion of Dr. Brinton, the Committee on Finance was 

 requested to consider and report at the next meeting upon the 

 expediency and propriety of the Society's subscribing $50 to- 

 wards the expenses of receiving and entertaining the Conven- 

 tion of the American Folk-lore Association, about to meet in 

 this city at the University of Pennsylvania, on November 29 

 and 30, 1889. 



Dr. Brinton made the following motion : 



Resolved, That the Secretaries be authorized to communicate with the 

 officers of the other scientific societies and libraries in Philadelphia, for 

 the purpose of preparing a Union List of Scientific Periodicals open to 

 the members of all scientific societies by proper introduction. 



