730 Wisconsin Academy of Sciences , Arts, and Letters. 
Afternoon Session, Friday— 2 p. m. 
29. An Hereditary Nervous Defect in Guinea Pigs. H. L. 
Ibsen and L. J. Cole. Ten minutes. Read by 
H. L. Ibsen. 
30. Mendelian Inheritance in Soy Beans. L. J. Cole and 
C. M. Woodworth. Fifteen minutes. Read by 
C. M. Woodworth. 
31. The Winter Temperature of the Mud at the Bottom of 
Lake Mendota. E. A. Birge. Fifteen minutes. 
Lantern slide illustrations. 
32. The Nannoplankton of Lake Mendota. C. Juday. 
Ten minutes. 
33. The Preparation of Selenic Acid. Victor Lenher 
and H. H. Morris. Five minutes. Read by 
H. H. Morris. 
34. Contributions to the Chemistry of the Conifers. 
A. W. Schorger. By title. 
35. The Ghost Ceremony of the Porno Indians of Cali¬ 
fornia. Samuel A. Barrett. Twenty minutes. 
By title. 
36. Life and Customs of the Tarahumari Indians of 
Northern Mexico. R. M. Bagg. Twenty-five 
minutes. Lantern slide illustrations. 
37. California Midden Mounds. I. M. Buell. Twenty- 
five minutes. 
38. Boundaries of the Effigy Mound Region in Wisconsin. 
Charles E. Brown. Fifteen minutes. 
39. Norwegian Newspapers of the United States. A. 0. 
Barton. 
40. Indian Sites on the Wolf River in Shawano and Waupaca 
Counties. George R. Fox. By title. 
The paper by Mr. Juday on the Nannoplankton of Lake 
Mendota was discussed by Dean E. A. Birge. 
Evening Session, Friday—7 p. m. 
The annual dinner of the Academy was held in the 
University Club at 7 o’clock, Friday, April 14, President 
Henry L. Ward, presiding. Thirty-five members were 
present. Dean E. A. Birge discussed the matter of the 
publications of the Academy, and Professor George Wagner 
