EXPLANATION OF PLATE 37. 



Male Abdominal Appendages. — Hesperidae (Famphilidi). 



All the drawings and the original dissections were kindly made by my friend, Edward Burgess, Esq., excepting 

 Figs. 7 and 33, which were drawn by J. H. Emerton. All are magnified eighteen diameters, excepting fig. 3, 

 which is magnified twenty-five diameters. 



1. Ancyluxipha numitor. Siile view. 19. 



2. Pamphila mandan. Side x'iew. 20. 



3. Amhlyseirles vialis. Side vieM'. clasp. 



4. Ambhjscirtes samoset. Side view. 21. 



5. Erynnis manitoha. Side view. above. 



6. Erynnis inetea. Side view. 22. 



7. Erynnis attains. Side view. 23. 



8. Poanes massasoit. Side view. 24. 



9. Erynnis manitoha. Interior view of tip of 25. 

 clasp. 26. 



10. Phycanassa viator. Side view. 27. 



11. Atrytone logan. Side view. 28. 



12. Lerema aci-ius. Upper organ from above. 29. 



13. Hylephila phylaeus. Side view. 30. 



14. Erynnis sassacxis. Side view. 31. 



15. Thymelieus aetna. Side view. 32. 



16. Limochores taumas. Side view. 33. 



17. Atrytone zabulon. Posterior view of tip of 34. 

 clasp. 35. 



18. Atrijtone zabulon. Side view. 36. 



Poanes ma.isasoit. Top view of upper organ. 

 Erynnis sassactts. Interior view of tip of 



Atalopedes huron. Tip of upper organ from 



Atalopedes huron. Side view. 



Euphyes metacomet. Side view. 



Pontes peckius. Side view. 



Pontes peckius. Interior view of tip of clasp. 



Anthomaster leonardus. Side view. 



Thymelieus brettus. Side view. 



Limochores manataaqua. Side view. 



Limochores bimacula. Side view. 



Limochores pontiac. Side view. 



Thymelieus mystic. Side view. 



Lerema accius. Side view. 



OUgoria maculata. Side view. 



Calpodes ethlius. Side view. 



Euphyes verna. Side view. 



Lerema hianna. Side view. 



