FIRST CENTURY OF DAIRYING IN NEW SOUTH WALES. 



exception, and rather a rare exception, and that it occurs only in one- 

 direction at a time that is, that only one or two of the numerous 

 possible modes of variation occur at the same time. The experience 

 of breeders and cultivators, however, proves that variation is the rule 

 instead of the exception, and that it occurs more or less in almost 

 every direction. " Heredity and artificial selection," to use the words 

 of an eminent writer. " are tangled tales." 



