The Moths and ButterHies 



45; 



comma-spot. The comma-butterfly, Polygonia comma (PI. XI, Fig. 6; 

 also Fig. 642), is a familiar eastern representative of the angle-wings. On the 

 under side of each hind wing is a small but distinct silver comma or C spot. 



Fig. 642. — The comma-buttcrfiy, Polygonia comma; two butterflies, a caterpillar, and 

 empty chrysalid on gooseberry branch. (.-Vfter Lugger; natural size.) 



The spiny greenish-brown larva feed on hops, nettles, and elms. The pale 

 wood-brown chrysalids witli nu'tallif golden or silver spots are commonly 



