O^ 753 



By the Same Author 



INSKCTS AND INSECTICIDKS 



A Practical Manual Concerning Noxious Insects and the 

 Methods of Preventing their Injuries. Profusely Illus- 

 trated, 280 pages, handsomely bound in cloth with em- 

 bossed cover. Price, gl. 25. 



SF'R.^YING CROPS 



Why, When and How. Illustrated. Second (Revised) Edi- 

 tion. Seventh Thousand. 130 pages. Price, 25 cents. 



Copyright, 1894, by ORANGE JUDD Co. 



