PHYSIOGRAPHY OF AUSTRALASIA. 



'349 



too much to say that, from this point of view, the submersion beneath the s<-a l.cfore 

 historic times of the whole of the North-American Continent, or the whole of Asia, would 

 have involved a less heavy loss to human knowledge in this department of science than the 

 submersion of the comparatively small area of Australia and New Zealand would have done. 





AUSTRALIAN BUTTERFLIES. 



We frequently hear the remark "Australia, with regard to its fauna and flora, has 

 lagged behind the rest of the earth ; it has become cut off in remote times from other 

 regions, and has remained very much as the rest of the globe was when the separation 



