130 The Pittsburgh Meeting 



Section on Social and Economic Sciences. Wesley C. Mitchell, Columbia 

 University. "The Social Sciences and National Planning." Science 81 : 56- 

 62. 1935. 



Section on Engineering. Charles F. Kettering, General Motors Corpora- 

 tion. "Some Future Problems of Science and Engineering." 



Section on Medical Sciences. Cyrus C. Sturgis, University of Michigan. 

 "Some of the Recent Advances in the Study of Blood Diseases." Science 



81: 368-371- 1935- 



Section on Agriculture. A. R. Mann, Cornell University. "Agricultural 

 Planning as an Aspect of State and National Planning." Science 81 : 32-35. 



1935- 



Section on Education. Walter F. Dearborn, Harvard University. "The 



Mental and Physical Growth of Public School Children." 



Symposia 



"Group Theory and Quantum Mechanics" (4 papers). American Math- 

 ematical Society and American Physical Society. 



"Heavy Hydrogen and Its Compounds" (4 papers). Sections on Physics 

 and Chemistry. 



"Noise Measurement" (4 papers). Acoustical Society of America. 



"The Role of Chemistry in Education" (5 papers). Sections on Chemis- 

 try and Education and Division of Chemical Education of American Chemi- 

 cal Society. 



"Mitosis" (4 papers). American Society of Zoologists. 



"Improved Technique in the Study of Insects" (16 papers). Entomolog- 

 ical Society of America. 



"The Status of Systematic Botany in American Colleges and Univer- 

 sities" (5 papers). Botanical Society of America. 



"Plant Hormones" (4 papers). Physiological Section of Botanical So- 

 ciety of America and American Society of Plant Physiologists. 



"Cytogenetic Evolutionary Processes and Their Bearing on Evolution 

 Theory" (3 papers). American Society of Naturalists, American Society of 

 Zoologists, Botanical Society of America and Genetics Society of America. 



"The Chemistry and Metabolism of Sulfur-Containing Compounds of 

 the Body" (5 papers ). Section on Medical Sciences. 



"Agricultural Planning" (10 papers). Section on Agriculture and Amer- 

 ican Society of Agronomy. 



"The Use and Application of Rapid Soil Tests" (4 papers). Section on 

 Agriculture. 



"Psychological Theories of Learning" (4 papers). Sections on Psychol- 

 ogy and Education. 



