Contents of Volumes I and II 



Volume I, Number I 



Essig, E. O. 



Aphidida: of Southern California I, 

 pages 1-10. 

 Essig, E. O. 



Notes on Coccidce I, pages 11-14. 

 Cook, A. J. 



The Red Scale, pages 15-21. 

 Baker, C. F. 



Western Plant Louse Parasites I, 

 pages 22-25. 



Volume I, Number 2 



Baker, C. F. 



Studies in Oxybelidas I, pages 27-30. 

 Essig, E. O. 



Notes on California Coccidce II, 

 pages 31-34. 

 Essig, E. O. 

 The Genus Pseudococcus in California 

 I, pages 35-46. 

 Essig, E. O. 



Aphididse of Southern California II, 

 pages 47-52. 

 Essig, E. O., and C. F. Baker 



A Host Index of Californian Coccidse, 

 pages 53-70. 

 Grinnell, Fordyce 



West Coast News Notes, pages 71-72. 



Volume I, Number 3 



Del Guercio, G. 



New Genera of Aphids, pages 73-75. 

 Crawford, D. L. 



An Entomological Expedition to Gaud- 

 alajara, pages 76-77. 

 Cameron, P. 



Some Diplopteryga from the South- 

 west, pages 78-85. 

 Grinnell, Fordyce 

 West Coast News Notes, pages 86-87. 



Volume I, Number 4 



Essig, E. O. 



Combating the Citrus Mealy Bug, 

 pages 89-91. 

 Essig, E. O. 



Notes on Californian Coccidce III, 

 pages 92-97. 

 Essig, E. O. 



Aphididre of Southern California III, 

 pages 98-99. 

 Crawford, D. L. 

 Some New Thysanoptera from South- 

 ern California I, pages 100-108. 



Crawford, D. L. 



Thysanoptera of Mexico and the 

 South I, pages 109-119. 

 Crawford, D. L. 



Notes on Californian Thysanoptera I, 

 pages 120-121. 

 Cameron, P. 



Some Odynerinoe of the Southwest 

 United States, pages 122-134. 

 Grinnell, Fordyce 



West Coast News Notes, pages 135- 

 137. 



Volume II, Number 1 



Pierce, W. M. 



Fumigation Studies I, pages 139-142. 

 Essig, E. O. 



Natural Enemies of Citrus Mealy Bug 



I, pages 143-146. 

 Essig, E. O. 



Tlie Genus Pseudococcus in Califor- 

 nia II, pages 147-148. 

 Crawford, D. L. 

 Thysanoptera of Southern California 



II, pages 149-152. 

 Crawford, D. L. 



Thysanoptera of Mexico and the South 



II, pages 153-170. 

 Grinnell, Fordyce 



West Coast News Notes, pages 171- 



173. 



Volume II, Number 2 



Pierce, W. M. 



Fumigation Studies II, pages 175-178. 

 Smith, John B. 

 Tlie Noctuids of California I, pages 

 179-184. 

 Banks, N. 

 The Scorpions of California, pages 185- 

 190. 



Metz, C. W. 



Bees of the Genus Colletes from Mexi- 

 co, pages 191-208. 

 Essig, E. O. 



Notes on Coccidne IV, pages 209-222. 

 Essig, E. O. 



Aphididie of Southern California IV, 

 pages 223-224. 

 Baker, C. F. 



Californian Emesidse, pages 225-227. 

 Crawford, D. L. 



American Psyllid?e I, (Triozinse) pages 

 228-237. 

 Grinnell, Fordyce 



West Coast News Notes, pages 238- 

 240. 



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