1906. 



NATURAL SCIENCES OF PHILADELPHIA. 



593 



President, 

 Vice-Presidents, 



Recording Secretary, 



Corresponding Secretary. 



Treasurer, 



Librarian, 



Curators, 



Councillors to serve three years, 



Committee on Accounts, 



Councillor to serve an unexpired 

 term of two years, . 



Samuel G. Dixon, M.D. 

 Arthur Erwin Brown, 

 Edwin G. Conklin, Ph.D. 

 Edward J. Nolan, M.D. 

 J. Percy Moore, Ph.D. 

 George Vaux, Jr. 

 Edward J. Nolan, M.D. 

 Arthiu" Erudn Brown, 

 Samuel G. Dixon, M.D., 

 Henry A. Pilsbry, Sc.D., 

 William S. Vaux, Jr. 

 Dr. C. Newlin Peirce, 

 Philip P. Calvert, Ph.D., 

 Thomas Biddle, M.D., 

 Frederick Prime. 

 Charles INIorris, 

 Samuel N. Rhoads, 

 Dr. C. Newlin Peirce, 

 John G. Rothermell, 

 Howard Crawley, Ph.D 



Henry Tucker, M.D. 



COUNCIL FOR 1907. 



Ex-ojjicio. — Samuel G. Dixon, M.D., Edwin G. Conklin, M.D., 

 Arthur Erwin Brown, Edward J. Nolan, M.D., J. Percy Moore, Ph.D., 

 George Vaux, Jr., Henry A. Pilsbry, Sc.D., and William S. Vaux, Jr. 



To serve Three Years. — Dr. C. Newlin Peirce, Philip P. Calvert, Ph.D., 

 Thomas Biddle, M.D., and Frederick Prime. 



To serve Two Years. — Charles B. Penrose, M.D., Charles Morris, 

 Benjamin Sharp, M.D., and Henry Tucker, M.D. 



To serve One Year. — Thomas Fenton, M.D., Edwin S. Dixon, John 

 Cadwalader and Horatio C. Wood, M.D. 



Curator of Mollusca, 

 Assistant Librarian, 



Henry A. Pilsbry, Sc.D. 

 William J. Fox. 



