1914.] NATURAL SCIENCES OF PHILADELPHIA. 227 



April 21. 

 Mr. Charles Morris in the Chair. 

 Eleven persons present. 



The Publication Committee reported the receipt of contributions 

 to the Proceedings under the following titles: 



"Two new Sarcosporidia, " by Howard Crawley (March 18, 1914), 



"A new diatom," by Charles S. Boyer, A.M. (March 21). 



"Land and fresh-water shells from eastern Canada," by E. G. 

 Vanatta (March 21). 



"Montana shells," by E. G. Yanatta (March 25). 



"The vascular system of the Florida alligator," by Albert M. 

 Reese (March 27). 



"The method of progression in Truncatella, " by Henry A. Pilsbry 

 and Amos P. Brown (April 11). 



"List of land and fresh-water mollusks of Antigua," by Henry A. 

 Pilsbry and Amos P. Brown. 



The deaths of the following members were announced: 

 Charles Sumner Williamson, March 23, 1914. 

 , George E. Kirkpatrick, March 26, 1914. 

 Curwen Stoddart, Jr., April 1, 1914. 

 Ernest Comly Dercum, April 10, 1914. 



The Council reported that Messrs. John Cadwalader, Charles B. 

 Penrose, Witmer Stone, and J. Percy Moore had been appointed 

 to constitute the Standing Committee on By-Laws. 



( )n the unanimous nomination of the Committee on the Hayden 

 Memorial Geological Award, the gold Hayden Memorial Medal 

 was conferred on Henry Fairfield Osborn, Sc.D., LL.D., in recog- 

 nition of his distinguished work in vertebrate palaeontology. 



Henry Fairfield Osborx was born at Fairfield, Conn., August 8, 1857. 

 He was educated at Princeton College (1877, 1880), Cambridge University 

 under Balfour (1879), and the Royal College of Science under Huxley (1879-80). 

 He has received the following degrees: Princeton A.B. 1877, Sc.D. 1880; 

 Hon. LL.D. Trinity College 1901, Princeton 1902, Columbia 1907; Hon. D.Sc. 

 Cambridge 1904; Hon. Ph.D. Christiania 1911, Upsala 1913. 



Dr. Osborn began his pateontological explorations in Wyoming in 1877, and 

 has continued them to the present time in various parts of the United States, 

 in Europe and Egypt. From 1877 to 1890 he was connected with the Princeton 

 l^niversity expeditions and the Museum of Geology, and between 1891 and 1914 

 he has directed the American Museum explorations in vertebrate palseontology. 



His own researches and those of his students fill five volumes of papers from 

 the American Museum Memoir and Bulletin. His publications and papers in 



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