24 THE ZOOLOGIST. 



resembled both, and which Dr. Butler remarked would answer 

 well for californica. Indeed, it would seem, from Mr. W. G. 

 Wright's plates of the ' Butterflies of the West Coast of North 

 America,' the familiar butterflies of our woods and lanes had 

 their origin there, for what we breed as a variety is there a 

 recognized species, and each of the several kinds is there a link 

 in a chain of butterflies differing slightly from one another in 

 wing pattern. To some extent our butterflies vary in like 

 manner as you go south in Europe, and a series so arranged is 

 instructive, each form being adapted to its circumstances. 



(To be continued. ) 



