The Indianapolis Meeting 163 



Participating Societies 

 Affiliated with Section on Mathematics 



American Mathematical Society (78 -f- 15 papers 1 ) 

 Mathematical Association of America (5+1 papers ) 

 Institute of Mathematical Statistics (8 -f- 7 papers) 

 National Council of Teachers of Mathematics (9 papers) 

 Association of Symbolic Logic ( o -j- 7 papers) 



Affiliated with the Section on Physics 



American Physical Society t 64 + 3 papers) 

 American Association of Physics Teachers (23 + 3 papers) 

 American Meteorological Society (13 + 6 papers) 

 Sigma Pi Sigma Physics Honor Society 



Affiliated with Section on Zoological Sciences 



American Society of Zoologists (147 -+- 19 papers) 



American Association of Economic Entomologists ( 108 -+- 7 papers ) 



Entomological Society of America (48 -f- 7 papers) 



American Society of Parasitologists (68 papers) 



Wilson Ornithological Club (37 papers ) 



Affiliated with Section on Botanical Sciences 



Botanical Society of America ( 1 1 7 -(- 27 papers) 



American Phytopathological Society ( 84 -f- 46 papers) 



American Society of Plant Physiologists (49 -)- ! J papers) 



Mycological Society of America (19 4- 16 papers) 



American Fern Society 



Sullivant Moss Society (10 -|- 4 papers) 



American Society of Plant Taxonomists 



Affiliated with Sections on Zoological and Botanical Sciences 



American Society of Naturalists (3+1 papers) 



Ecological Society of America (31 -f 28 papers) 



Genetics Society of America (55 + 5 papers) 



American Microscopical Society 



1 .imnological Society of America (29 + 6 papers ) 



Phi Sigma Society (34 papers) 



Beta Beta Beta Honorary Biological Fraternity 



1 The first number is the number of papers presented at sessions at which the society met alone; 

 the second is the number presented at one or more joint sessions of the society. 



