722 Wisconsin Academy of Sciences, Arts, and Letters. 
24. Further Cultural Studies in Protococcales. Gilbert 
M. Smith. Ten minutes. 
25. The Development of the Embryo of Dioscorea villosa. 
Pearl M. Smith. By title. 
26. Some New Cases of Apogamy in Ferns. W. N. Steil. 
Ten minutes. 
27. The Anatomy of a Peridermium Gall of the Jack Pine. 
Alban Stewart. By title. 
28. Studies of some Agarics Fruiting in Culture. V. H. 
Young. Ten minutes. With photographs. 
29. An Easy Method for Determining the Isotonic Co¬ 
efficients of Solutions. H. E. Pulling. By title. 
30. Studies of the Life History of the Organism causing 
the Crown-gall of Alfalfa. Orville T. Wilson. 
By title. 
31. Some New American Water Mites. Ruth Marshall. 
By title. 
32. Notes on Parasitic Fungi in Wisconsin, III. J. J. 
Davis. By title. 
33. A Century of the United States Pharmacopoeia. 
Edward Kremers. 1. Galenicals: Aceta, Clycerite, 
Liquors, H. A. Langenhan. By title. 
34. A List of Birds Observed at Pelican Lake, Wisconsin. 
Roland E. Kremers. By title. 
35. A List of Plants Collected at Pelican Lake, Wisconsin. 
Roland E. Kremers. By title. 
36. The Periodicity and Distribution of Radial Growth in 
Trees and their Relation to the Development of 
“Annual” Rings. J. G. Grossenbacher. By title. 
37. Life History, Natural Enemies and the Poisoned Bait 
Spray as a Method of Control of the Imported 
Onion Fly (Phorbia Cepetorum Meade), with notes 
on other Onion Pests. Henry H. P. Severin and 
Harry C. Severin. By title. 
38. Species of Lentinus and Parrus in the Region of the 
Great Lakes. Edward T. Harper. By title. 
