128 The PittsiBUiRQ.h Meeting 



Mycological Society of America (22 -\- 15 papers) 

 American Fern Society (4 papers) 

 Sullivant Moss Society (7 papers) 



Affiliated with Sections on Zoological and Botanical Sciences 



American Society of Naturalists 15 papers) 

 Ecological Society of America ( 10 -f- 27 papers) 

 Genetics Society of America (45 + 3 papers) 

 American Microscopical Society (no papers) 



Committee on Hydrobiology and Agriculture, National Research Coun- 

 cil (15 papers) 



Affiliated wifh Section on Anthropology 



American Anthropological Association (55 papers) 



American Folk-Lore Society (Section and societies jointly, 55 papers) 



Affiliated with Section on Social and Economic Sciences 



Econometric Society (6 -f- 7 papers) 



Metric Association (papers not listed in general program) 



Affiliated with Section on Medical Sciences 

 American College of Dentists (12 papers) 



Affiliated with Section on Agriculture 



American Society of Agronomy, Northeastern Section (4 + 6 papers) 



American Society for Horticultural Science (173 -f- 14 papers) 



Potato Association of America (22 -|- 17 papers) 



Society of American Foresters (o -\- 7 papers) 



Crop Protection Institute (papers not listed in general program) 



Affiliated with Section on Education 



Pi Lambda Theta, National Education Fraternity for Women 

 Kappa Delta Pi, Honor Society in Education 

 Phi Delta Kappa Fraternity 



Science in General 



Society of the Sigma Xi 



American Nature Study Society 



Gamma Alpha Graduate Scientific Fraternity 



Pi Gamma Mu, National Social Science Honor Society 



Sigma Delta Epsilon, Women's Graduate Scientific Fraternity 



