250 Wisconsin Academy of Sciences^ Arts, and Letters. 



Prof. W. F. Allen oiFered the following substitute for the 

 constitutional amendment placed on file by Prof. John E. Da- 

 vies at a former meeting, to wit: 



"With a view to the convenience of holding meetings, the Departments of the Acade- 

 my shall be ai ranged in iwo classew, to be denominated respeciively, the CMase of Sci- 

 ence and the Arts, and the Clas's of Philosophy and Letters, which latter shall include 

 the Uepartintni of the Social and Political Sciencee. This amendment to be an addi- 

 tion to section four of the constitution." 



Which was laid over for one year. 



The law requiring an initiation fee of |iO, and an annual fee 

 of $5, was changed so as to read, " an initiation fee of $5, and 

 an annual fee of $2." 



On motion, the transaction of further business was postponed 

 until the evening session. 



Adjourned till 2 P. M. 



Fifth Session. 



Thxtrsday, 2 o'clock, P. M. 



The Academy met pursuant to adjournment; the attendance 

 of members and citizens being unusually large. 

 President Hoyt in the chair. 

 The follouing papers were read and discussed : 



On the Fauna of Wisconsin— certain peculiarities thereof, by Dr. P. R. Hoy, Vice Presi- 

 dent for the Department of the Natural Sciences, read by Prof. J. D. Butler. 



History ol the Scieme of Hydraulics, by Col. W. J. L. ISicodemus, Professor in the 

 University of Wisconsin. „ ,, , t i. i' e -.u r^ 



On the Influence of Duties on Imports on the Value of Gold, by John i. bmitn, Jisq-^ 

 Madison. _, 



On the strength of Materials, by John Nader, U. S. Asst. iinglneer. 



The Academy adjourned till 7^ o'clock. 



Sixth Session, 



Thursday, 1% P. M. 



The Academy met pursuant to adjournment, with a full at- 

 tendance. 



The President in the chair. 

 Papers were read as follows: 



On the Philosophy of Evolution, by Prof. S. n. Carpenter State University; and 

 On the Amount of Arsenic absorbed by the Human Liver, by Prof. W . W. Darnells, btate 

 University. 



Remarks on the latter paper were made by Drs. Joseph Hob- 

 bins and E. B. Wolcott; after which, on motion, the Academy 

 went into a business session. 



