LLUSTRATIONS 



Page. 

 Fig. 1. Diagram showing normal mean monthly temperature and the mean 



monthly temperature during 1904 at Victoria. Tex 35 



2. Outfit used for spraying young apple trees for Enqioasca mali 45 



3. Egg of Aiifhrenus ivrhasci . _ . . . 48 



4. Section of radish, showing injury from maggot of Authontyia sp _. • 60 



5. Cross section of radish, showing injury from Anthomyia sp 60 



■6. Map showing territory infested by Anabnis simjilex in Colorado — 64 

 •7. Persimmons, showing protective covering made by Iridomijrmex 



humilis . _ 80 



(4) 



