Proceedings of the Academy. 
721 
12. A New Control for the Imported Onion Maggot. 
J. G. Sanders. Five minutes. 
13. Notes on Wisconsin White Grubs and June Beetles. 
J. G. Sanders. Five minutes. 
Second Session—7 p. m. 
The annual dinner of the Academy was given in the 
University Club, at which thirty-four members and friends 
were present. Professor D. C. Munro, President of the 
Academy, delivered his address as retiring President, on 
“Some Tendencies in History.” 
Third Session, April 2—9:30 a. m. 
The third session began at 9:30 o’clock, President Munro 
presiding. The following programme of papers was 
presented: 
14. How American Cities May Secure Better Pavements 
at Less Cost. Leonard S. Smith. By title. 
15. Investigations of Certain Cabbage Diseases. L. R. 
Jones and M. P. Henderson. By title. 
16. The Cisco of Lake Mendota. George Wagner. 
Ten minutes. 
17. The Net Plankton of Devils Lake. Effie Rigden 
Mighener and C. Juday. Ten minutes. 
18. Limnological Apparatus. C. Juday. Ten minutes. 
19. Memory and Color Discrimination in Mud Minnows. 
Gertrude M. White. Fifteen minutes. 
20. The Effect of Potassium and Sodium Chlorides on the 
Pigment Cells of the Trout. John N. Lowe. Ten 
minutes. 
21. Report on the Finding of Fossil Bones in the Vicinity 
of Madison. A. R. Cahn and C. L. Turner. 
Fifteen minutes. 
22. The Development of the Embryo of Sphagnum sub¬ 
secundum. G. S. Bryan. Fifteen minutes. Lan¬ 
tern slide illustrations. 
23. On Morbid Changes in the Cells of Leaves due to 
Injury. J. B. Overton and W. E. Slagg. Ten 
minutes. 
