442 



LORANDE LOSS WOODRUFF. 



different races of Paramedum aurelia when bred under the same 

 varied culture conditions. 



B. Study of the periodicity of rhythms and endomixis in 



AEr 



u 



FIG. 2. 



different races of Paramedum aurelia when bred under the same 

 constant culture conditions. 



C. Study of the periodicity of rhythms and endomixis in 

 the same races of Paramedum aurelia when bred under the 

 varied and under the constant culture conditions. 



