EXCHAN< 



VOLUME TWO 



NUMBER THREE 



3l0urnal af iEntnmnlngg 



SEPTEMBER 1910 



Contentsi 



1. PIERCE. WRIGHT M. - ..... Fumitfation Studies III. 



2. ESSIG. E. O. - ... - Spraying for the Citrus Mealy Bug 



3. ESSIG. E. O. - - Natural Enemies of the Citrus Mealy Bug II. 



4. SMITH. JOHN B. - - - . _ - The Noctuidae of California II. 



5. HALL. H. V. M. - - - - - - A Phj^topUd GaU on Artemisia 



6. COOLIDGE. KARL R. - - - - - - - - A New Spider 



7. COOLIDGE. KARL R. - ... - Qn Argynnis atossa Edwards 



8. ESSIG, E. O. - - - - - Variations in Trifidaphis radicicola 



9. GRINNELL. FORDYCE ---.._ West Coast News Notes. 



PUBLISHED BY THE 



i^partm^nt nf Itolagij of Pomona QlolUgp 



CLAREMONT, CALIFORNIA, U. S. A. 



