48 The Period from 1921 to 1940 



1932. Franz Boas (anthropology) : "The Aims of Anthropological Re- 

 search." Science 76: 605-613. 



I 933- John J. Abel (pharmacology) : "On Poisons and Disease and 

 Some Experiments with the Toxin of the Bacillus Tetani." Science 79: 63- 

 70, 121-129. 



1934. Henry Norris Russell (astronomy) : "The Atmospheres of the 

 Planets." Science 81 : 1-9. 



1935. Edward L. Thorndike (psychology) : "Science and Values." 

 Science 83 : 1-8. 



1936. Karl T. Compton (physics) : "The Electron: Its Intellectual and 

 Social Significance." Science 85 : 27-37. 



1937. Edwin G. Conklin (zoology) : "Science and Ethics." Science 86: 

 595-603. 



1938. George D. Birkhoi! (mathematics) : "Intuition, Reason and Faith 

 in Science." Science 88: 601-609. 



1939. Wesley C. Mitchell (economics) : "The Public Relations of 

 Science." Science 90 : 599-607. 



Addresses of Retiring Presidents — The Pacific Division 



1916. Wallace W. Campbell (astronomy) : "What We Know About 

 Comets." ( No record of publication.) 



19 18. (Record not available.) 



1919. D. T. MacDougal (botany) : "Growth of Organisms." Science 

 49: 599-605. 



1920. John C. Merriam (paleontology) : "The Research Spirit in Every- 

 day Life of the Average Man." Science 52 : 473-478. 



1921. William E. Ritter (zoology) : "Scientific Idealism." The Scien- 

 tific Monthly 13: 328-341. 



1922. Barton W. Everman (biology) : "The Conservation and Proper 

 Utilization of Our Natural Resources." The Scientific Monthly 15 : 289-312. 



1923. E. P. Lewis (astronomy) : "The Contributions of Astronomy to 

 Civilization." Science 58: 405-412. 



1924. David Starr Jordan (zoology) : "Science and Sciosophy." Science 



59: 563-569- 



1925. C. E. Grunsky (engineering) : "The Climate of the Ice Age." Proc. 

 Calif. Acad. Sci. 4th Ser. 16: 53-85. 



1926. Robert G. Aitken (astronomy) : "The Solar System — Some Un- 

 solved Problems." Science 64: 191-198. 



1927. Arthur A. Noyes (chemistry) : "The Periodic Relations of the 

 Elements." Proc. Nat. Acad. Sci. 13: 737-743. 



1928. C. A. Kofoid (zoology) : "The Luminescence of the Sea." (No 

 record of publication.) 



