614 PROCEEDINGS OF THE AMERICAN ACADEMY 



University, XLI. Preliminary Diagnoses of New Species of 

 Laboulbeniaceae. — I. By Roland Thaxter. 



jSTote on the Chief Theorem of Lie's Theory of Continuous 

 Groups. By S. E. Slocum. Presented by Henry Taber. 



Nine hundred and twelfth Meeting. 



December 13, 1899. 



The Corresponding Secretary in the chair. 



Letters were received from the Royal Academy of Sciences 

 of Turin, announcing the death of Domenico Perrero ; from the 

 International Congress of Ethnographical Sciences, enclosing 

 programmes and an invitation to attend its meetings at Paris 

 during the summer of 1900 ; from Maxime Bocher, John S. 

 Sargent, and Rudyard Kipling, accepting membership. 



A letter was read from the Royal Prussian Academy of 

 Sciences of Berlin, announcing the celebration of the two hun- 

 dredth anniversary of its foundation on the 19th and 20th of 

 March, 1900, and inviting the American Academy to send dele- 

 gates. It was accordingly 



Voted, To appoint John Williams White and John Eliot 

 Wolff, delegates to this celebration. 



The chair announced the death of Epes Sargent Dixwell, 

 Resident Fellow in Class III., Section 2. 



The following papers were read : — 



Experimental and Statistical Studies on the Influence of Cold 

 on the Bacillus of Typhoid Fever and its Distribution ; with 

 special Reference to Ice Supply and the Public Health. By 

 William T. Sedgwick and Charles-Edward A. Winslow. 



The Electrical Resistance of the Human Body. By William 

 L. Hooper. 



The following papers were presented by title : — 



A Revision of the Atomic Weight of Iron. By T. W. Rich- 

 ards and C. P. Baxter. 



Note on the Constitution of Diparabrombenzylcyanamide. By 

 C. Loring Jackson and R. W. Fuller. 



