The Pittsburgh Meeting 129 



( rEN'ERAL SESSIONS 



Henry Xorris Russell, Princeton University. 'The Atmospheres 6f the 

 Planets." 1 Address of retiring president.) Science Si : 1-9. 1935- 



William Alanson White, Superintendent, St. Elizabeth's Hospital, Wash- 

 ington, 1). C. "Man. the Great Integrator." Science 81: 237-243. T935. 



Earnest Albert Hooton, Harvard University. "Homo Sapiens. Whence 

 and Whither." (Thirteenth annual Sigma Xi lecture.) Sigma Xi Quarterly 

 23, No. 1. [935. 



Arthur B. Lamb, Harvard University. "Crvstallogenic Adsorbents." 

 ( Address of retiring vice president for the Section on Chemistry.) 



Charles F. Kettering, president of General Motors Research Corpora- 

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

 retiring vice president for the Section on Engineering.) 



Cyrus C. Sturgis, University of Michigan. "Review of Some of the More 

 Recent Advances in the Study of Blood Diseases." (Address of retiring 

 vice president for the Section on Medical Sciences.) Science 81 : 368-371. 



1935- 



Albert Einstein. Institute for Advanced Stud}', Princeton, N. J. "An 

 Elementary Proof of the Theorem Concerning the Equivalence of Mass and 

 Energy." (Eleventh Josiah Willard ( iibbs lecture. ) 



Addresses of Vice Presidents 



Section on Mathematics. C. X. Moore, University of Cincinnati. "Math- 

 ematics and Science." Science 81 : 2y-T,2. 1935. 



Section on Physics. C. J. Davisson. Technical Staff of Bell Telephone 

 Laboratories. "Electron Optics." 



Section on Chemistry. Arthur B. Lamb, Harvard University. "Crystal- 

 logenic Adsorbents." 



Section on Astronomy. V. M. Slipher, Lowell Observatory, Flagstaff, 

 Arizona. "The Atmospheres of the Planets as Inferred from their Spectra." 



Section on Geology and Geography. Rollin T. Chamberlin, The Univer- 

 sity of Chicago. "Certain Aspects of Geologic Classifications and Correla- 

 tions." Science 81 : 183-191,216-218. 1935. 



Section on Zoological Sciences. George L. Streeter, Carnegie Institution, 

 Baltimore. "The Education of an Anatomist." 



Section on Botanical Sciences. K. M. Wiegand, Cornell Lniversity. "A 

 Taxonomist's Experience with Hybrids in the Wild." Science 81 : 161- 

 166. 1935. 



Section on Anthropology. T. Wingate Todd, Western Reserve Univer- 

 sity. "Anthropology and Growth." Science 81 : 259-263. 1935. 



Section on Psychology. Walter R. Miles, Yale University. "Training, 

 Practise and Mental Longevity." Science 81 : 79-87. 1935. 



