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The Moths and Butterflies 



ditions on the snow-covered mountain-lops, but isolated by the temperate 

 lowlands from the rest of their kind on other mountain-tops or in arctic 

 latitudes. 



There are several excellent books about American butterflies which will 

 help the nature student classify his specimens, and tell him of the distribution 

 and habits of the various species. Among the best are Comstock's " How 

 to Know the Butterflies," Holland's " The Butterfly Book," and Scudder's 

 "Everyday Butlerllies." 



