1910.] PUBLIC DOCUMENT— No. 31. 247 



which frequently, at least, in such cases were not as vigorous 

 as the others, though this was avoided whenever possible. 



8. Comparison of the results of these experiments on cucum- 

 bers with those of Mr. W. V. Tower on tomatoes shows that the 

 former are much the hardier, successfully resisting more cya- 

 nide and longer exposures. 



