No. 645] ALCOHOL AND WHITE RATS 



behind them (elements or factors), new epochs were 

 started in these sciences. The problem should not be to 

 judge how bad are the results of alcohol, but rather to 

 find through what channels alcohol may work. The final 

 results will differ in different cases according to differ- 

 ently combined influences of various sorts, just as the 

 same combination of chemicals will yield different results 

 under different conditions, and the same combination of 

 genetic factors will yield various somatic expressions ; to 

 know the modus operandi of alcohol is fundamental. 



CoNCLUsioisrs 



1. Beginning at the time of weaning, alcohol was ad- 

 ministered to white rats every day, in sufficient quan- 

 tities to cause complete anesthetization. This treatment 

 appears to account for the following differences between 

 the treated rats and their normal sibs : 



2. The treated offspring from the treated rats differed 

 from their controls in the following ways: 



3. The untreated offspring from the treated rats dif- 

 fered from their controls in the following ways : 



The untreated offspring— (o) took a very little longer in running the maze. 



4. The untreated offspring in the second generation 

 from alcohol treatment differed from their controls in 

 the following ways : 



