vni 
Proceedings. 
The Academy reconvened at 2:30 p. m. , when the following 
papers were read: 
On the Geology of the Waterloo Quartzite Area, by I. M. 
Buell, Beloit. 
Notes on Early Lead Mining in Wisconsin, by R. G. Thwaites, 
Madison. 
The Progress of Geological Investigations and Surveys of the 
State of Wisconsin, Particularly of the Lead Region—An His¬ 
torical Review and Bibliography. (Read by abstract.) 
Notes on the Structure of the Ore Deposits of Southwestern 
Wisconsin, by W. P. Blake, Shullsburg. 
Volcanite, a New Type of Andesitic Lava, by Wm. H. Hobbs 
and Louis Kahlenberg, Madison. 
The Food of Green Plants, by C. R. Barnes, Madison. 
The Academy then adjourned till evening. 
The members of the Academy reassembled at 7 :30 p. m. , when 
the following papers were read: 
A Comparative Study of the Lung, by W. S. Miller, Madison. 
On New and Rare Cladocera. (Read by Title.) 
On Weissman’s Theory of Heredity, by E. A. Birge, Madison. 
The Academy then adjourned till the following day. 
SESSIONS OF FRIDAY, DECEMBER 30. 
The Academy met at 9 o’clock. In the absence of the presi¬ 
dent, Vice-President Blaisdell occupied the chair. 
It was voted that the medal presented to the Academy by the 
Wyoming Geological and Historical Society of Wilkesbarre, 
Pa., be deposited in the collections of the State Historical 
Society. 
In behalf of the committee on new members, Dr. Haskins 
made the following nominations: 
