THE NYMPHS 



duller in color and more slender and graceful in 

 shape. It is a long-lived butterfly and may he 

 found during the entire season. The caterpillar 

 is similar in habit to that of the goatweed em- 

 peror. It lines the upper surface of the leaf 

 with silk, causing it to roll up, making a more or 

 less secure nest. 



The gray emperor is partially double-brooded. 

 Some of the caterpillars of the first brood finish 

 their growth in a great hurry and change to 

 adults, while others of the same brood dawdle 

 along and hibernate. The species extends from 

 southern Pennsylvania, Ohio, and Illinois south- 

 ward. 



Lastly his shinie wings as silver bright, 



Painted with thousand colors passing farre 

 All painters' skill, he did about him dight : 



Not halfe so manie sundrie colours arre 

 In iris bowe ; ne heaven doth shine so bright, 



Distinguished with manie a twinckling starre ; 

 Nor Junoes bird, in her ey-spotted traine, 

 So many goodly colours doth containe. 



Spenser. 



The Tawny Emperor 



Chlorippe clyton (Chlo-rip'pe cly'ton) 



Plate XXIX, Fig. 2, 4 



This species agrees with the preceding in the structural 



features mentioned above. The wings are more or less 



175 



