X PREFACE TO THE SECOND EDITION. 
charts published in various countries, my map might 
have been greatly improved. But I hope that before 
long some one may be induced to colour a map on a 
large scale, on nearly the same principles as I have 
done, and in accordance with our advanced state of 
geographical knowledge ; for I believe that he would 
thus arrive at some new and striking generalisations. 
Down, Beckenham, Kent : 
February 1874. 
