BULLETIN 



SOUTHERN CALIFORNIA 

 ACADEMY OF SCIENCES 



LOS ANGELES, CALIFORNIA 



Volume XIX, Part 2. 

 April, 1920 



COMMITTEE ON PUBLICATION: 



William A. Spaulding, Chairman. 

 Anstruther Davidson, CM., M.D. Samuel J. Keese 



Office of the Academy, Room 719 San Fernando Building 

 Telephone 65741 



CONTENTS 



Page 

 Spiral Wonders of the World 31 



Vibration Within Our Ken and Beyond 33 



Cheap Wireless Talk Across Ocean 38 



How Flowers Were Nam.ed 39 



Astronomers' News 40 



A Valued Member Gone 42 



