Officers and Members. 
1413 
4. Some Points in the Anatomy of the Four-Spotted Dragon-fly, Li« 
bellula 4-maculata. William S. Marshall. (By title.) 
6. Economic and Biologic Notes on the Giant Midge ( Chironomus 
plumosus, Meyen.) A. C. Burrill. Twenty minutes. 
6. Palmer’s Organ and its Function. J. E. Wodsedalek. Ten min¬ 
utes. 
7. The Behavior of Leucocytes. N. Fasten. Ten minutes. 
8. On the Distribution of two Wisconsin Mammals. George Wag¬ 
ner. Five minutes. 
9. The Boreal Life Zone in Wisconsin. Sigmund Graenicher. Fif¬ 
teen minutes. 
10. Doubts and Progress. H. M. Kallen. Twenty minutes. 
11. The Lebertia of Wisconsin. Ruth Marshall. (By title.) 
12. A Contribution to the Natural History of the Amphipod Hyalellu 
knickerbockeri (Bate). Hartley H. T. Jackson. (By title). 
Afternoon Session, 2:00 o'clock. 
President Samuel Plantz called the meeting to order. 
13. The Nuclear Behavior in the Basidium of Auricularia. E. M. 
Gilbert. Ten minutes. 
14. A New Method of Fertilization in Lichens. Freda M. Bachman. 
Ten minutes. (Illustrated.) 
15. A Comparison of Plant and Animal Spermatogenesis. C. E. 
Allen. Ten minutes. (Illustrated.) 
16. The Development of Melanospora. J. B. Overton. Ten minutes. 
(By title.) 
17. A Comparison of the Botany of the Galapagos and Cocos Islands. 
Alban Stewart. Ten minutes. (Illustrated.) 
18. Apogamy, Apospory, and Related Phenomena in the Purple Cliff 
Brake. W. N. Steil. Ten minutes. (Illustrated.) 
19. The Tapetal Cells of Lycopodium Selago and L. Annotinum .. 
R. H. Denniston. Ten minutes. (Illustrated.) 
20. Colony Formation and Development in Certain Coenobic Algae. 
Gilbert M. Smith. Ten minutes. (Illustrated.) 
21. Modern Pottery-Making among the Hopi and Tewa Indians of 
Northern Arizona. Samuel A. Barrett. Twenty minutes. 
(Illustrated.) 
22. The Niman Katcina of the Hopi Indians. Samuel A. Barrett. 
Thirty minutes. (Illustrated.) 
23. A Provisional List of Parasitic Fungi of Wisconsin. J. J. Davis. 
(By title.) 
24. A preliminary Report on the Hepaticae of the Duluth-Superior 
Region. George H. Conklin. (By title.) 
25. Species of Pholiota and Stropharia in the Region of the Great 
Lakes. E. T. Harper. (By title.) 
