46. 
47. 
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56. 
57. 
58. 
59. 
60. 
61. 
62. 
Program of Thirty-seventh Annual Meeting 29 
Unusual Stipules of Acer nigrum Michx. 10 minutes. Flora An- 
derson. 
Plants of White County. IV. By title. Louis Heimlich, Purdue 
University. 
Peloria in Linaria. By title. Louis Heimlich. 
Additions to the List of Indiana Mosses. 2 minutes. T. G. Yuncker, 
DePauw University. 
Additions to the Fungus Flora of Indiana. 5 minutes. H. S. Jack- 
son, Purdue Agricultural Experiment Station. 
Methods in Plant Nutrition Studies. 15 minutes. H. A. Noyes, J. 
H. Martsolf, and H. T. King, Mellon Institute of Industrial Re- 
search, Pittsburgh, Pa. 
Bacterial Indices. 15 minutes. H. A. Noyes, Mellon Institute of 
Industrial Research, Pittsburgh, Pa. 
The Flora of the Olympic Peninsula, Washington. 10 minutes. 
Albert B. Reagan, Indian Schools, Kayenta, Ariz. 
Annotated Bibliography of Mycological and Phytopathological Lit- 
erature for Indiana. 5 minutes. H. S. Jackson, Purdue Agri- 
cultural Experiment Station. 
Zoology. 
Light Reactions and Photoreceptors of Annelida. 8 minutes. Wal- 
ter N. Hess, DePauw University. 
Preliminary Note on Hydrogen Ions in Solution in Ponds. 5 min- 
utes. Will Scott, Indiana University. 
Life History of Hyallela Knickerbockerti. 10 minutes. Dona Gay- 
lor, Indiana University. 
Food of the Fishes of Winona Lake. 10 minutes. Willis DeRyke, 
Indiana University. 
Army Worm Control Through County Organization. 5 minutes. 
Walter H. Larrimer, U. S. Entomological Laboratory, West La- 
fayette, Ind. 
A Preliminary Report of the Hog Lung-worms. 10 minutes. George 
Zebrowski, Purdue University. 
The Effect of Temperature upon an Eyeless Race of Drosophila 
hydei Sturtevant. By title. Roscoe R. Hyde, Johns Hopkins 
University, Baltimore, Md. 
GENERAL PROGRAM. 
FRIDAY, 8:00 P. M., ASSEMBLY ROOM. 
Address of the Retiring President, The Problems of Life among 
Parasitic Animals. Howard E. Enders, Purdue University. 
ADDITIONAL TITLES. 
(The following titles were received too late to be included in the 
main printed program. They will be read at the times and places desig- 
nated below.) 
