198 SCIENCE REMAKING THE WORLD 



GUIDE TO FURTHER READING 



"Agricultural Entomology," by Herbert Osborn. Lea & Febiger. 

 Philadelphia, 1916. 



"Entomology with Special Reference to its Ecological Aspects,** 

 by J. W. Folsom. Third revised edition. P. Blakiston's Son & Co. 

 Philadelphia, 1922. 



"Injurious Insects," by W. C. O*Kane. The Macmillan Co. 

 New York, 1912. 



"Insect Pests of Farm, Garden, and Orchard," by E. D. Sander- 

 son. Second edition, revised and enlarged. John Wiley & Sons. 

 New York, 1921. 



"Practical Information on the Scolytid Beetles of North American 

 Forests. I. Barkbeetles of the Genus Dendroctonus," by A. D. 

 Hopkins. U. S. Department of Agriculture Bureau of Entomology 

 Bulletin No. 83, Part I. Washington, Government Printing Office, 

 1909. 



"The Importation into the United States of the Parasites of the 

 Gipsy Moth and the Brown-Tail Moth; A Report of Progress, 

 with some Consideration of Previous and Concurrent Efforts of 

 This Kind," by L. O. Howard and W. F. Fiske. U. S. Department 

 of Agriculture Bureau of Entomology Bulletin No. 91. Washington, 

 Government Printing Office, 1911. 



"The Plum Curculio," by A. L. Quaintance and E. L. Jenne. 

 U. S. Department of Agriculture Bureau of Entomology Bulletin 

 No. 103. Washington, Government Printing Office, 1912. 



"Mexican Cotton-Boll Weevil," by W. D. Hunter and W. D. 

 Pierce. Senate Document No. 305, 62d Congress, 2d Session. 

 Washington, Government Printing Office, 1912. 



"Life History of the Codling Moth in the Grand Valley of 

 Colorado," by E. H. Siegler and H. K. Plank, in cooperation with 

 the Colorado Agricultural Experiment Station. U. S. Department 

 of Agriculture Bulletin No. 932. Washington, Government Print- 

 ing Office, 1921. 



"Information for Fruit Growers about Insecticides, Spraying 

 Apparatus, and Important Insect Pests," by A. L. Quaintance and 

 E. H. Siegler. U. S. Department of Agriculture Farmers' Bulletin 

 No. 908. Revised reprint. Washington, Government Printing 

 Office, 1920. 



