The Second Los Angeles Meeting 143 



The Second Los Angeles Meeting of the Pacific 

 Division, June 25-29, 1935 



(The ipth annual meeting of the Pacific Division) 



Participating Societies 



American Association of Economic Entomologists, Pacific Slope Branch 



American Meteorological Society 



American Physical Society 



American Phytopathological Society, Pacific Division 



American Society of Ichthyologists and Herpetologists, Western Division 



Astronomical Society of the Pacific 



Botanical Society of America, Pacific Section 



Ecological Society of America 



Pacific Coast Entomological Society 



Society for Experimental Biology and Medicine, Pacific Coast Branch 



Western Psychological Association 



Western Society of Naturalists 



Western Society of Soil Science 



General Sessions 



Bailey Willis, Stanford University. 'The Living Globe." (Address of 

 retiring president of the Pacific Division.) Science 82 :427-433. 



Fred E. Wright, Carnegie Institution of Washington. "The Surface of 

 the Moon." 



Special Research Reviews 



V. O. Knudsen, University of California at Los Angeles. "Recent De- 

 velopments in Acoustics." 



Th. Dobzhansky, California Institute of Technology. "The Mechanism 

 of Heredity." 



B. M. Allen, University of California at Los Angeles. "Recent Develop- 

 ments in the Field of Hormones." 



Symposia 



"Seismologic Research" (6 papers): (i) "Earthquakes of Northern 

 California," Perry Byerly ; (2) "Research on Near and Far Earthquakes," 

 B. Gutenberg; (3) "Vibration Research for Earthquake Resistant Build- 

 ings," L. Jacobsen ; (4) "Development of the U. S. Coast and Geodetic 

 Seismological Program in California," T. J. Maher; (5) "Mechanics of 

 Earthquake Activity," Bailey Willis; and (6) "Present Status of the Rela- 

 tion of the State of California to Earthquake Resistant Public School Build- 

 ing Design and Construction," Geo. B. McDougall. 



