26 INFLUENCE OF PARENTAL ALCOHOLISM 



the world is apt to take their opinions as authoritative, 

 rather than weigh their actual arguments or test how far 

 they have produced counter-evidence or exhibited real 

 knowledge of the subject under discussion. At any rate, 

 this supplement to our memoir may place on permanent 

 record our very strong conviction that the critics have not 

 only failed to shake our position, but even to assault it in 

 the onty logical manner possible, that is by the production 

 of evidence that the temperate and intemperate of both 

 our Manchester and Edinburgh samples belonged origin- 

 ally to essentially differentiated social groups. 



