ALCOHOL, DISEASE, AND HEREDITARY DEFECTS 273 



the very decided preponderance of sterile matings and stillborn 

 or short-lived young in the experiments with the alcoholized 

 animals. And the results are all the more convincing because 

 the alcoholized animals had been previously bred and proven 

 capable of bearing normal offspring. 

 The following table gives a summary of results up to 1916: 



Effects of Alcohol on the Descendants of Treated Animals 



More recently additional data were obtained in part from 

 animals of unrelated stock, but the results only confirmed the 

 previous findings. Some of the general comparisons are shown 

 in the following table: 



Progeny of Normal and Alcoholic Guinea Pigs 



