HOW TO KNOW THE BUTTERFLIES 



butterflies a beautiful combination of white with 

 a lemon-yellow tinge and soft brownish gray en- 

 livened by spots of vermilion margined with black. 

 The upper gray portion of the wing is quite trans- 

 parent, so that the writing on the labels beneath 

 the museum specimens may be read easily through 

 this delicate medium ; and we wonder again at 

 the exquisite frailty of these insects which endure 

 the rigor of high altitudes and arctic conditions. 



44 



