PREFACE 



The present volume owes its existence to a demand 

 for the publication of various lectures upon the sub- 

 ject dehvered by the author in many cities during the 

 past seven years, and to a growing personal convic- 

 tion of the need of a popular, easily understandable 

 exposition of a subject which the lay reader finds 

 fraught with many difficulties. 



No apology is offered for the book — except for its 

 many shortcomings, which none will deplore more 

 than the author : — nor for the fact that it is written 

 by a layman for lay readers. There is a voluminous 

 and bewildering literature wholly devoted to the 

 subject, as may be inferred from the fact that one 

 single bibliography with which I am acquainted con- 

 tains no less than 8375 titles, and is still so incomplete 

 as to cause the student a good deal of exasperation ! 

 Much of this literature — perhaps I should not be far 

 wrong if I were to say almost the whole of it — is 

 either not accessible to the ordinary reader, or, what 

 is equally important, unintelligible to him. 



Now, it is perfectly obvious that if ever we are to 

 deal with the politico-social aspects of the milk 

 problem, this must be remedied to the extent of pro- 



