Zfj 



\3 0&-73 



7 



XRANSACXIONS 



OF THE 



WISCONSIN ACADEMY 



OF 



Sciences, Arts, and Letters. 



VOL. A^II. 1883-87'. 



JSr^i 1890: , 



<^^ir^v^ 



PUBLISHED BY AUTHORITY OF LAW. 



MADISON, WISCONSIN: 



DEMOCRAT PRINTINa COMPANY, STATE PRINTERS. 



1889. 



