138 



FRANCIS MARSH BALDWIN. 



showing susceptible and resistant phases in dividing eggs. 

 Several experiments were tried with this alcohol in which the 

 concentration was kept constant and the time of exposure was 

 varied; and from the data thus gathered, it seems probable 

 that of the two factors, concentration is the more important. 

 In other words, if the concentration is such that it gives the best 



TABLE V. 



Fertilized eggs were subjected for five minutes at ten minute intervals to 0.035 

 and 0.045 v l- P er cent, capryl alcohol. 



When plotted the data gives interesting curves as shown in Fig. 3. 



