564 WILLIAM T. M. FORBES 



7. Fore wing with yellow postmedial markings beyond the post- 

 medial line, which is always distinct. 

 8. Hind wing with two yellow bands parallel to outer margin. 



28. subsequalis, borealis. 

 8. Hind wing with one ' broad yellow band, and black border, 



parallel to outer margin 21. generosa. 



8. Hind wing with postmedial yellow band straight as far as 

 Cu 2 ,. and pointing to anal angle. 



9. Ground black-brown rulricalis (western ) . 



9. Ground light red-brown 17. phcenicialis. 



5. Hind wing pale yellow, without broad and clean-cut contrasting 

 markings, or not yellowish (sometimes with a pattern of fine lines 

 or dots ) . 

 (5. Fore wing marked with pink, crimson, or purple (reduced to 



slight shades in some acrionalis ) . 

 7. Fore wing dominantly light yellow, with pink borders and a 



large patch at anal angle ( Phlyctcenia roseopennalis ) . 



7. Fore wing half pink and half yellow, the pink not forming an 



anal patch or postmedial fascia 22. laticlaria. 



1. Fore wing olive, more or less shaded with purple. 



22. laticlavia, variety cvtierosa. 

 7. Fore wing varying from pink to violet; sometimes suffused with 



gray; often with a pale yellow terminal band and fringe. 

 8. Hind wing with a diffuse gray shade at border, or all gray; 

 yellow postmedial spot beyond the postmedial line. 



19. acrionalis. 

 8. Hind wing with a definite dark border, suffused with purple; 



yellow postmedial spot beyond the postmedial line. 

 9. Under side of cell with a square yellow patch surrounded on 

 three sides with gray; a similar larger patch beyond cell. 



17. phcenicialis. 

 9. Larger; markings diffuse below; the patch in the cell hardly 



indicated 18. onythesalis. 



1. Fore wing with small white markings only. 



8. Postmedial line reduced to a costal bar ; antemedial absent. 



( 24 ) . angustalis. 

 8. Antemedial line distinct; postmedial practically reduced to a 



bar on costa 25. inveterascalis. 



8. Antemedial line more or less distinct; postmedial complete. 



24. signatalis. 

 6. Fore wing without pir^k, crimson, or purple markings. 



7. A contrasting, sinuate, yellow postmedial line, sometimes inter- 

 rupted on the middle third 26. nicalis. 



7. A large pale yellow postmedial patch only 27. unimacula. 



7. Markings more complex, with distinct dark postmedial line, or 



ground pale. 



8. A contrasting pale yellow spot beyond postmedial on costa, 

 and a larger one at lower angle of cell, with the postmedial 



line between them ( Phlyctcenia, tertialis ) . 



8. No contrasting pale spots on fore wing, or with both spots 



beyond the postmedial line. 

 9. Outer margin broadly and evenly fuscous beyond subterminal 



line. 



10. Subterminal line deeply dentate, forming strong teeth; 

 or (nubilalis) overlaid with the marginal shade. 



