Aug. 13, 1917 



Volatility of Organic Compounds 



367 



EXPERIMENTAL RESULTS 



Eugenol, isoeugenol, and a-napthol ethyl ether were so slightly volatile 

 that more than 400 minutes were required for the death of the flies; 



hence, they are not included in the results. Pinene, terpinol geranyl 

 acetate, and to some extent citral on exposure to the air, tend to form a 



