PLATE XXIII 



THE ANGLE-WINGS 

 Fig. 



i. The Violet Tip; the typical form, Polygonia interrogalionis interro- 

 gation's, female. 



2. The Violet Tip; the dark form, Polygonia interrogationis umbrosa, 



female. 



3. The Green Comma, Polygonia faunus. 



4. The Violet Tip; lower side of wings of the dark form, male. 



5. The Green Comma, lower side of wings. 



6. The Violet Tip; lower side of wings of the typical form. male. 



7. The Gray Comma; lower side of wings. 



8. The Gray Comma, the typical form, Polygonia progne prognc. 



