Explanation of Plate XXXVl 



1. MegaiioslouiJ eurj'dicc, Boisdiival,(5^. 



2. Megjiiostoina euiydice, Boisduval, 9- 

 1. Megaiiostoma ca'soiiia, Stoll, (^. 



4. Megaiiostoma ca'soiiia, Stoll, 9 • 



5. Colias meadi, Edwards, t^. 



6. Colias meadi, Edwards, $ . 



7. Colias ariadtie, Edwards, (^. 



8. Colias ariadue,'E.d\N2ixAs, 9. 

 Colias kecwajdin, Edwards, ^. 



17. Colias behi 



9- 



10. Colias keeicaydin, Edwards, 9- 



11. Colias nastes, Boisduval, (^. 



12. Co/ijs «i?s/^5, Boisduval, 9- 



1 3. Colias el is, Strecker, (^. 



14. Colias elis, Sixeckex, 9- 



15. Colias pel id lie, Eo\sdiwa.\ {labrador- 



ensis, Scudder), (^. 



16. Colias pelidiie, Boisduval {labradof' 



eiisis, Scudder), 9- 

 , Edwards, (^. 



