AMEKICAN LEPIDOPTERA. 



45 



18. X. georgii Grt. 



19. X. puella Smith 



20. X. oregonen.sis Harv. 



21. X. Winnipeg Smith. 



22. X. unininda Lint. 



23. X. laticinerea Grt. 



24. X. grotei Riley. 



cinerona || Grt. 



25. X. antenuata Wlk. 



cinerea Riley. 



26. X. torrida Smith. 



27. X. tepida Grt. 



28. X. baileyi Grt. 



29. X. querquera Grt. 



30. X. viridipallens Grt. 



31. X. pexata Grt. 



washingtoniana Grt. 



32. X. dilatocu la 8mif/i. 



33. X. lepida Lint. 



34. X. thaxteri Grt. 



EXPLANATION OF PLATE I. 



1. Harpe and dasper of male Xylina semiusta. 



2. " 



4. " " " '• 



6. 



Ha. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 



hemina. 



disposita. 



bethtinei. 



patefacta. 



innominata. 



innominata- 



oriunda. 



ferrealis. 



sigijdsa. 



amanda. 



contenta. 



fagina. 



longioi^. 



ernarginata, 



holocinerea. 



-different view. 



EXPLANATION OF PLATE II. 



16. Harpe and clasper of male Xylina georgii. 



17. '■ " '' " " Winnipeg. 



18. " " " " "' unimoda. 



The last two structures are nearer iu actual size ; f. 17 was drawn with a two- 

 iuch ohjective; f. 18 with a three. As a matter of fact unimoda is lai'ger than 

 Winnipeg. 



19. Harpe and clasper of male Xylina laticinerea. 



20. " 



21. " 

 2%, " " " 



23. " 



24. " 



25. " 



26. " 



27. " 



28. " 



29. " 



grotei. 



same — another view. 



antennata. 



torrida. 



same — another view less magnified. 



tepida. 



baileyi. 



querquera. 



pexata. 



ingrica. 



TRANS. AM. ENT. SOC, XXVII. 



AUGUST, 1900. 



