VOLUME ONE 



NUMBER FOUR 



Pomona College 

 Journal of Cntomologp 



DECEMBER 1909 



Contents! 



1. ESSIG. E. O. 



2. ESSIG E. O. 



3. ESSIG. E. O. 



4. CRAWFORD. D. L. 



5. CRAWFORD. D. L. 



6. CRAWFORD. D. L. 



7. CAMERON. P. 



8. GRINNELL, FORDYCE 



Combating the Citrus Mealy Bug 



Notes on Califomian Coccidae III 



Aphididae of Southern California III 



Some Nevf Thysanoptera from Southern California I 



Thysanoptera of Mexico and the South I 



Notes on Califomian Thysanoptera 1 



Some Odynerinae of the Southwestern United States 



West Coast News Notes 



PUBLISHED UNDER THE PATRONAGE OF 



d^ntarioCucamonsa Citrug ^ggociation 



BY THE 



DEPARTMENT OF BIOLOGY OF POMONA COLLEGE 



CLAREMONT, CALIFORNIA, U. S. A. 



