Nature Leaflets. 

 Free, postpaid, on request. Available to teachers in quan- 

 tities as desired, and as editions permit. Order by number. 



1. " Canker Worms," by Mr. A. H. Kirkland. Second edition. 



2. " Tent Caterpillars," by Mr. A. H. Kirkland. Second edition. 



3. " The Black-knot of the Plum and Cherry," by Dr. G. E. Stone. 



Third edition. 

 5. "The White-marked Tussock Moth," by Dr. H. T. Fernald. 



Fourth edition, December, 1912. 

 G. "The Spiny Elm Caterpillar," by Dr. H. T. Fernald. Third 



edition. 

 7. " Potato and Apple Scab," by Dr. G. E. Stone. Third edition, 



revised. 

 S. " Insects Injuring Lawns : The May Beetle in Lawns and Ants 



in LaAvns and Houses," by Dr. H. T. Fernald. Fourth 



edition. 

 9. " Poison Ivy," by Dr. G. E. Stone. Third edition, revised. 



10. " The Datanas," by Dr. H. T. Fernald. Third edition, revised. 



11. " Quince Rust," by Dr. G. E. Stone. Third edition. 



12. "Winter Birds at the Farm," by Mr. E. H. Forbush. Third 



edition, revised. 



13. " Peach Leaf-curl," by Dr. G. E. Stone. Third edition, revised. 



14. " Owl Friends," by Mr. E. H. Forbush. Third edition, revised. 



15. "Bird-houses," by Mr. E. H. Forbush. Fourth edition. 



16. " Our Friend the Chickadee," by Mr. E. H. Forbush. Fourth 



edition. 



17 "Bordeaux Mixture," by Dr. G. E. Stone. Third edition, re- 

 vised. 



IS. " Plant Lice or Aphids," by Dr. H. T. Fernald. Second edition. 



19. " Edible Weeds and Pot Herbs," by Dr. G. E. Stone. Third 



edition, revised. 



20. "Massachusetts Weeds," by Dr. G. E. Stone. Third edition, 



revised. 



21. " Potato Rots," by Dr. G. E. Stone. Third edition, revised. 



22. Hints for Out-door Bird Study. I. " How to identify Birds." 



23. Hints for Out-door Bird Study. IL " How to find Birds." 



24. Hints for Out-door Bird Study. III. " How to approach 



Birds." 



25. Hints for Out-door Bird Study. IV. " How to attract Birds." 



(Nos. 22, 23, 24, and 25, by Mr. E. H. Forbush. Fourth 

 edition, revised.) 



26. " The Brown-tail Moth," by Mr. A. H. Kirkland. Thii-d edition, 



revised. 



