■ MICHIGAN ACADEMY OF SCIENCE. Vi 



Pathogenicity of the Avian Tubercle Bacillus. L. A. Mosher. 

 Attempts at the Discovery of Non-Pathogenic Ultrasomes. W. Starrin. 

 Action of Butter Flora on Milk. C. W. Brown. 



SECTION OF ECONOMICS j 



F. T. Carlton, Chairman 1 



Second Floor, Economics Building j 



I 



Thursday, April 1, 9:00 a. m. and 1:30 p. m. ] 



The Increasing Value of Land and the Rate Problem. David Friday. i 



Discussion. i 



The Equity of Profits. Rufus F. Sprague. \ 



Discussion opened by F. M. Taylor. ■ 



Nationality in the Social Process. Charles H. Cooley. I 



Discussion. i 



The Industrial Transition in China. Henry C. Adams. ; 



Discussion. i 



An interpretation of the working Rules of the Carpenters' Union. Edward 



M. Arnos. ' 



Discussion opened by Frank T. Carlton. ^ 



The New Trust Legislation. I. Leo. Sharfman. \ 

 Discussion opened by James E. Mitchell. 



SECTION OF BOTANY | 



.J 



E. A. Bessey, Chairman | 



Museum Lecture Room j 



I 



Thursday, April 1, 9:00 a. m. and 1:30 p. m. i 



Longyear's Core-rot Altemaria. S. P. Doolittle and R. W. Gross. ] 



Cucumber Scab. S. P. Doolittle. -j 



Septoria lycopersici. (With Lantern.) Ezra Levin. i 



An undescribed Bark Canker of Apple and the Associated Organism. (With i 



Lantern.) G. H. Coons. j 



The Michigan Plant Disease Survey. G. H. Coons. i 



Light and Pycnidia Formation in the Sphaeropsidales. Ezra Levin. j 

 The ferax Group of the Genus Saprolegnia. A. J. Pieters. 



Unreported Michigan Fungi for 1911 to 1914. C. H. Kauffman. | 



A Preliminary List of the Bryophytes of Michigan. C. H. Kauffman. ; 



An Epidemic of Cronartium Comptoniae at the Roscommon State Nurseries. | 



C. H. Kauffman and E. B. Mains. i 



Factors Concerned in the Germination of Rust Spores. E. B. Mains. j 



Some Cultural Characteristics of Pestalozzia funera. Paul Siggers. j 



Helicostylum and Cunninghamella; two genera of the Mucorales new to the > 



State. H. W. Povah. ' 



