274 



MOTHS AND BUTTERFLIES. 



northern and eastern states. Three of these look so much alike that 

 it is difficult for the beo'inner to separate them, the diffei'ences being- 

 most easily recognized from the under side and from the shape of the 

 silver}^ mark on the liind Aving. 



<Trai>ta coiniiia. 



In Crrapta comma there are two well-marked forms, as there are in 

 (rrapta interrogatioyils. In one form the color of the upper side is 



(Jraiita coiiiiiia. Uudt- r side. 



much tlie same on both sets of wings, being orange witli black s})ots 

 margined with reddish bi'own, in which aie several oiange spots, and 

 having a purple gray edge. Tlie under side of this form is usually 



