Proceedings. 
1005 
Friday, February 9. 
Morning Session, 9:30 o'clock. 
Election of officers and general business. 
Beading of papers. 
22. Note on the nature of the hydrocarbons occurring in 
Wisconsin oil rock. (Preliminary notice.) W. F . 
Koelker. 
23. On the differences of potential between manganese and 
lead peroxides and various aqueous and non-aqueous 
solutions. Louis Kohlenberg and Alonzo S. Mc¬ 
Daniel. 
24. Nitrogen from the atmosphere and its use in the an¬ 
nealing of brass wire. L. A. Youtz. 
25. Nitroselenic acid. V. Lenher. 
26. Effect of desiccation on Bacillus* dysenteriae Shiga. 
W. D. Frosty B. Whitman and R. E. Miltenberger. 
27. A note on the ehemotaxis of Oxytricha aeruginosa. 
George Wagner. 
28. Some points in the natural history of the spoon-bill cat¬ 
fish. George Wagner. 
29. Variations of the brachial and sciatic plexus of the 
frog. G. A. Talbert. 
30. Cerebral localization from a clinical study. G. A. Tal¬ 
bert. 
31. Comparative studies on the trophi of Scarabaeidae. 
(Preliminary notice.) 0. B. Hardenberg. 
32. The gases of Wisconsin lakes. E. A. Birge and V. 
Lenher. 
Afternoon Session , 2:30 o'clock. 
Reading of papers. 
33. Wave-rolled snowballs. E. C. Caoe. 
34. The mesothelium of the pleural cavity. W. S. Milr 
ler. 
35. An additional driftless area in Wisconsin. S. Weid- 
man. 
