324 



MOTHS AND BUTTERFLIES. 



in one or two localities, where it may still be found in some abun- 

 dance. I refer to the White Mountain region of New Hampshire, 

 and the Adirondack region of New York. 



Pieris oleracea. 



It is a delicate little creature var^'ing from pure white to yellow- 

 ish white streaked with gray on the veins above, while l)elow the 

 veins on the lower wings are margined by gray, and the tip of the 



ISSS^^v. 



Pieris oleracea. Under side. 



upper wings and all of the lower pair are 3'ellowish. No less than 

 ten different varieties of this species, each with its three scientific 

 names, are recognized by entomologists. Let us hope that the 

 Latin names may hold out to chiisten all the new varieties which 

 may be discovered in the future, or tliat like this butterfl}^ the 

 species-maker who manufactures new names by the wholesale may 

 l)e started on the road to extinction by tlie hiAV of the survival of 

 the fittest. 



