CONTRIBUTORS TO VOL. II 

 1903 



Numbers 1 to 9 



ABRAMS, LE ROY. 



Additions to the Flora of Los Angeles Co. II. 

 New Southern California Plants. 



BAUMGARDT, B. R. 



Annual Report of Academy. 



COCKERELL, T. D. A. 



Diptera from Southern California. 

 A New Bee of the Genus Andronicus. 

 New Bees from Southern California. 



DAVIDSON, DR A. 



New Plant Records from Los Angeles Co. 

 The "Kissing Bug." 



HASSE, DR. H. E. 



Contributions to the Lichen-flora of the Coast Islands. 

 Additions to the Lichen-flora of Southern California. 

 The Lichen-flora of San Clemente. 



HELLER, A. A. 



Notes on Plants from Middle Western California. 



KNIGHT, WM. H. 



Radium. 



PARISH, S. B. 



Concerning Certain Trees. 



Two New Plants from Southern California. 



A Few New or Rare Southern California Plants. 



RIVERS, PROF. J. J. 



The Late Visit of Vanessa Cardui. 

 The Caterpillar Plague. 

 Euvanessa Antiopa. 

 Concerning Fleas. 



TATES, DR. L. G. 



Prehistoric California. 



