EQUIPMENT 23 



*STOKES, A. C. : Aquatic Microscopy for Beginners. E. F. Bige- 



low. Portland, Connecticut. $1.25. Useful in identifying 



small water animals. 

 *WEED, C. M. and DEARBORN, N. : Birds in their Relation to Man. 



J. P. Lippincott & Company. Philadelphia. A valuable book. 



The books in the above list marked with an asterisk will be found 

 most valuable for elementary work. 



Every school will find interesting and valuable information in 

 the Yearbooks of the Department of Agriculture which may be had 

 free of charge by applying to the United States senator or repre- 

 sentative of the district in which the school is located. Back 

 numbers may be had at second-hand book stores for about twenty 

 cents each. 



The following useful bulletins and circulars will be sent free upon 

 application to the Secretary of Agriculture, Washington, D. C. 



Some Insects Injurious to Stored Grain, pp. 24, figs. 18. 



Insects Affecting the Cotton Plant, pp. 32, figs. 18. 



Some Common Birds in Their Relation to Agriculture, pp. 48. 



Bee Keeping, pp. 32, figs. 19. 



The Principal Insect Enemies of the Grape, pp. 23, figs. 12. 



The Peach Twig-Borer, pp. 16, figs. 5. 



Three Insect Enemies of Shade Trees, pp. 30, figs. 11. 



The Principal Insects Affecting the Tobacco Plant, pp. 32, figs. 

 25. 



Important Insecticides, pp. 42, figs. 6. 



The Principal Insect Enemies of Growing Wheat, pp. 40, figs. 25. 



How Insects Affect Health in Rural Districts, pp. 20, figs. 16. 



Silk Worm Culture, pp. 32, figs. 15. 



The Control of the Coddling Moth, pp. 24, figs. 4. 



Scale Insects and Mites on Citrus Trees, pp. 43, figs. 34. 



Insects Injurious in Cranberry Culture, pp. 32, figs. 12. 



Information concerning the Cotton Boll Weevil, pp. 31, figs. 8. 



The Cotton Boll Worm, pp. 24, figs. 7. 



Usefulness of the Toad, pp. 16. 



Reindeer and Caribou, pp. 14, pis. 7. 



Bird Day in the Schools, pp. 4. 



