268 
MOTHS AND BUTTERFLIES. 
A very curious form of this species was captured in Dover, 
Mass., in August of 1898. This specimen is now in my possession 
and a figure of each side of it is here given. The colors above are 
Pyrameis liuntera. 
streaked and run together and beneath the wings are almost white 
on their outer portion. Unfortunately the specimen was damaged 
before it reached me. What could cause such a variation in the 
Pyrameis liuntera. Under side. 
color and markings of a single individual it is difficult to say. Such 
variations are rare, but in catching hundreds of specimens they now 
and then come to the net of the collector. 
