376 Brief List of Books on Cognate Subjects 



15. Packard, A. S. Insects Injurious to Forest and Shade Trees. 



Washington, 1890. 



16. Smith, J. B. Our Insect Friends and Enemies. Philadelphia, 



1909. 



17. Insect Pests and Plant Diseases. Bulletin 252. Cornell Agricul- 



tural Experiment Station. 1908. 



18. The More Important Insects Affecting Ohio Shade Trees. 



Bulletin 194. Ohio Agricultural Experiment Station. 



19. The Pests of Shade and Ornamental Trees. Bulletin 47. Ken- 



tucky Agricultural Experiment Station. 1893. 



20. Diseases of Deciduous Forest Trees. Von Schrenck & Perley 



Spalding. Bulletin 149. Bureau of Plant Industry, \\'ashington, 

 D. C. 1909. 



21. Studies of Some Shade Tree and Timber Destroying Fungi. 



Bulletin 193. Cornell University Agricultural Experiment Station, 

 1901. 



22. Injury to Veget.^tion by Smelter Fumes. Bulletin 89. Bureau of 



Chemistry, Washington, D. C. 1905. 



23. Injuries to Shade Trees from Electricity. Bulletin gi. Hatch 



Experiment Station of Massachusetts Agricultural College. 1903. 



24. The Elms and their Diseases. Bulletin 84. Kentucky Agricul- 



tural Experiment Station. 1899. 



25. The Bronze Birch Borer. Bulletin 234. Cornell Agricultural 



Experiment Station. 1906. 



26. The Brown-tail Moth. Bulletin 122. New Hampshire Agricul- 



tural Experiment Station. 1906. 



27. Of books on landscape gardening may be mentioned: Downing's Land- 



scape Gardening, which, although old, contains still much of value; 

 Parsons' Landscape Gardening and How to Plan the Home 

 Grounds, which are written on the basis of long experience in the 

 parks of New York. Maynard's L-A^ndsc^^pe Gardening .'VS Applied 

 TO Home Decoration gives much common-sense advice. 



