Officially Associated Societies 



6 7 



Entomological Society of America (2). 

 Before 1920. 



Association for Research in Human He- 

 redity, Inc. 1 (2). Before 1920. 



American Society of Mammalogists (2). 

 Noz: 20, 1921. 



American Society of Parasitologists (2). 

 April 26, 1925. 



American Society of Zoologists (2). Be- 

 fore 1920. 



Section on Botanical Sciences 



Botanical Society of America (2). Be- 

 fore 1920. 



American Phytopathological Society (2). 

 Before 1920. 



American Society of Plant Physiologists 

 (2). Oct. 12, 1924. 



Torrey Botanical Club (2). April 24, 

 1927. 



Mycological Society of America (2). 

 June iS, 1934. 



Societies Related to Both Zoological 

 and Botanical Sciences 



Ecological Society of America (2). Be- 

 fore 1920. 



American Genetic Association (2). Be- 

 fore 1920. 



Genetics Society of America (2). April 

 ?4, 1932. 



American Microscopical Society (2). Be- 

 fore 1920. 



American Society of Naturalists (2). Be- 

 fore 1920. 



Western Society of Naturalists (2). Oct. 

 21, 192S. 



Federation of American Societies for Ex- 

 perimental Biology (2). April 19, 1936. 



Limnological Society of America (1). 

 Oct. 27, 1935. 



Section on Anthropology 



American Anthropological Association 

 (2). Before 1920. 



Section on Psychology 



American Psychological Association (2). 



Before 1920. 

 Midwestern Psychological Association 



( 1). June 16, 1931. 



1 Formerly Eugenics Research Association. 



Society for Research in Child Develop- 

 ment (0. April 14, 1935. 



The Psychometric Society (1). April 17, 

 1937- 



Section on Social and Economic 

 Sciences 



Econometric Society (1). Oct. 25, 1931. 



American Sociological Society (1). As- 

 sociated before 1920; affiliated April 24, 

 1932. 



American Statistical Association (1). As- 

 sociated before 1920; affiliated April 25. 



I93i- 



Section on Historical and 

 Philological Sciences 



History of Science Society (2). April 26, 



I9?5- 

 Linguistic Society of America (1). Oct. 

 17, 1926. 



Section on Engineering 



American Society of Civil Engineers (2). 

 Before 1920. 



American Institute of Electrical Engi- 

 neers (2). Before 1920. 



Illuminating Engineering Society (2). 

 Before 1920. 



American Society of Mechanical Engi- 

 neers (2). Before 1920. 



American Institute of Mining and Metal- 

 lurgical Engineers (2). Before 1920. 



Society for the Promotion of Engineer- 

 ing Education (2). June 19, 1933- 



The American Ceramic Society (1). As- 

 sociated Nov. 20, 1921; affiliated April 

 27, 1924. 



The Institute of Radio Engineers (1). 

 Oct. 25, 1925. 



American Society for Testing Materials 

 (1). April 24, 1921. 



The Institute of Aeronautical Sciences 

 (1). April 14, 1935- 



Section on Medical Sciences 



American Association of Anatomists (2). 



Before 1920. 

 Society of American Bacteriologists (2). 



Before 1920. 



