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EVOLUTION AND ANIMAL LIFE 



FIG. 183. Map showing the distribution of the Canadian Skipper butterfly, Erynnis 

 manitoba, in the United States. The butterfly is found in that part of the country 

 shown in the map. This butterfly is subarctic and subalpine in distribution being 

 found only far north or on high mountains, the two southern projecting parts of 

 its range being in the Rocky Mountains and in the Sierra Nevada Mountains. (After 

 Scudder.) 



FTG. 184. Map showing the distribution of the Clouded Skipper butterfly, Lerema 

 accius, in the United States. The butterfly is found in those parts of the cpuntry 

 shown in the map by the shading marks the warm, moist Southern and Eastern 

 parts. (After Scudder.) 



