NATURAL HISTORY STUDIES 



gave rise to them. All through the ages, for millions 

 and millions of years, novelties have been cropping 

 up among living creatures, just as we know that they 

 crop up to-day among pansies and pigeons. Some of 

 these new departures came to stay and others never 

 took grip. The fourth question inquires into the 

 origin of the new departures and also into the way 

 the raw materials have been fashioned to shape and 

 use. But in this quarter of the science of Life- 

 Lore only the foundation-stones have been laid. 



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