THE NYMPHS 



BB. Inner margin of fore wings roundly excised beyond 

 the middle (Polygonid). 



C. Lower surface of hind wings with two silvery marks, 

 a dot and a lunule forming an interrogation-mark. (P. 

 interrogationis), p. 134. The Violet-tip. 



CC. Lower surface of hind wings with a single, central, 

 silvery comma or bent bar. 

 D. The silvery comma expanded at the ends. 



E. The outer third of the lower surface of the 



wings variegated with green. (P. /annus), p. 13S. 



The Green Comma. 



EE. The outer third of the lower surface of the 



wings variegated with wood-brown. (P. comma), 



p. 140. The Hop-merchant. 



DD. The silvery comma tapering at the ends. (P. 

 firo°ne), p. 143. The Gray Comma. 



GENUS POLYGON IA 



The four immediately following species belong 

 to the genus Polygonia. Of all the angle-wings 

 these most deserve the name. They look as if 

 Mother Nature had with her scissors snipped the 

 edges of their wings, fashioning notches and 

 points according to the vagaries of an idle mood ; 

 and polygons they surely are. The upper sides 

 of the wings have a ground color of coppery red, 

 marked with velvety borders and spots, the 

 design being similar in all the species. The 



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