Vol. X. Los Angeles, January, 1911. N< 



BULLETIN 



i.MRARY 

 NEW YORK 

 BOTANICAL 



GARDEN. 



OF THE 



Southern California Academy of Sciences 



COMMITTEE ON PUBLICATION: 



Holdridge Ozro Collins, LL. D., Chairman. 

 Anstruther Davidson, CM., M. D. John D. Hooker 



CONTENTS: 



Editorial 5 



The new home of the Academy : 

 Professor P. Giovanni Hapren, S. J.: 

 The twisting- Pines of the California Coast : 

 Convention of Astronomers on Mt. Wilson. 



The twisting of Pines • 9 



New Botanical Records • H 



Southern California Lepidoptera 12 



International Union for Co-operation in Solar Research 15 



Transactions of the Academy 22 



Articles of Incorporation and Certificate 25 



By-Laws 29 



Roll of Members 33 



OFFICE OF THE ACADEMY 

 ROOM 625 SAN FERNANDO BUILDING 



