New York Agricultural Experiment Station. 25 



Ko. 192. December. — The substitution of soda for potash in 

 plant growth. W. H. Jordan and C. G. Jenter. 

 Pages 20, plates 0. 



No. 193. December. — San Jos6 scale investigations. I. The 

 development of the female. V. H. Lowe and P. J. 

 Parrott. Pages 18, plates 6. 



Xo. 194. December. — San Jos^ scale investigations. II. Spray- 

 ing exxjeriments with kerosene oil; methods of com- 

 bating the San Jos6 scale. V. H. Lowe. Pages 16. 



No. 195. December. — Diiector's report for 1900. W. H. Joidan. 

 Pages 15. 



No. 196. December. — Spraying in bloom. L. H. Bailey and 

 S. A. Beach. Pages 62, plates 3, figs. 6. 



W. H. Jordan, 



Director. 



Xew York Agricultural Experiment Station, 

 Genevat N. Y., Dec. 31, lUOO. 



