NYMPHALIDiE. 
275 
mottled with gray and dark brown, the brown in some specimens 
assuming distinct irregular bands, while in others the whole under 
surface is a plain grayish brown, often having a pinkish tinge. 
Grapta comma. 
These differences are well shown in the accompanying figures. The 
silvery spot is usually in the shape of a rather sprawling G. In the 
other form the upper wings are yellowish tan, while the lower wings 
are dark brown, showing very few spots. The under side usually is 
Grapta comma. Under side. 
much lighter than in the first described form. These two varieties 
are not equally abundant, the last described form, in those I have 
collected, being in the ratio of about one to six to the former. 
