EXPLANATION OF PLATE XXIV. 



1. Lithocolletis arcuella Braun, type. 



2. " betulivora Wlsm. 



3. " bethunella Cham. 



4. " fasciella Wlsm. 



5. " castaneseella Cham. 



6. " guttifinitetta Clem. 



7. '' obstrictella Clem. 



8. " corylisella Cham. 



9. " sesculisella Cham. 



10. " ostryarella Cham. 



11. " aceriella Clem. 



12. " hamameliella Busck. 



13. " tubiferella Clem. 



14. Porphyrosela desmodiella Clem. 

 15. 



16. Cremastobombycia grindeliella Wlsm. 



17. ' solidaginis F. and B. 

 18 " ambrosiella Cham. 

 19. " ignota F. and B. 



20. 



21. " verbesinella Busck, type U. S. N. M. 



22. " grindeliella Wlsm. 



23. Lithocolletis apidnigrella sp. nov., cotype. 



24. " salicifoliella Clem, (atomariella Zell.). 



