10 • MINUTES. [April i8. 



Stated Meeting March i6, ipo6. 

 President Smit?i in the Chair. 



The decease was announced of Mr. Clarence H. Clark, at Phila- 

 delphia, on March 13, 1906, ?et. y^,. 



Dr. Edward A. Spitzka read a paper entitled " The Anatomy of 

 the Human Brain, with Special Reference to the Mental Functions 

 — as illustrated by the Brains of Men Notable in the Professions, 

 Arts and Sciences." Discussed by Dr. Dercum and President 

 MacAlister. 



Stated Meeting April 6, i§)o6. 

 President Smith in the Chair. 



The decease of the following members was announced : 

 Mr. William W. Jefferies, at New York, on February 23, 1906,. 



3st. 86. 

 Mr. John Vaughan Merrick, at Philadelphia, on March 28, 

 1906, set. 78. 

 Dr. Henry M. Chance read an obituary notice of Prof. J. Peter 

 Lesley. 



Mr. B. H. E. Groth presented a paper on '* The History, Struc- 

 ture and Growth of the Sweet Potato," which was discussed by Mr.. 

 Goodwin and Mr. Landreth. 



Dr. J. M. Macfarlane exhibited some species and hybrids of 

 Sarracenia in flower from the Botanical Garden of the University 

 of Pennsylvania. 



General Meeting April jy, 18, ip and 20, igo6. 



April 1/ — Evening Session. 



President Smith in the Chair. 



The opening session was devoted to the celebration of the twa 

 hundredth anniversary of the birth of Benjamin Franklin, and the 

 proceedings will be found in the Franklin Bi-centenary Volume. 



April 18 — Morning Session. 



The following papers were read : 



*' The Statistical Method in Chemical Geology," by Frank Wig- 

 glesworth Clark, Sc.D., of Washington, which was discussed by 

 Mr. Joseph Wilcox. 



