1. Papilio rutulus, Boisduval, ♂.7. Thanaos brizo, Boisd.-Lec., ♁.
2. Pholisora alpheus, Edwards, ♂.8. Thanaos clitus, Edwards, ♂.
3. Calpodes ethlius, Cramer, ♁.9. Pyrrhopyge araxes, Hewitson, ♂.
4. Pholisora catullus, Fabricius, ♂.10. Achalarus lycidas, Smith and Abbot,
5. Thanaos afranius, Lintner, ♂.♁, under side.
6. Eudamus proteus, Linnæus, ♁.11. Plestia dorus, Edwards, ♂.
12. Achalarus cellus, Boisd.-Lec., ♂.

Explanation of [Plate XLVI]

1. Systasea zampa, Edwards, ♂.21. Limochores palatka, Edwards, ♂.
2. Erynnis manitoba, Scudder, ♂.22. Thymelicus mystic, Scudder, ♂.
3. Erynnis manitoba, Scudder, ♁.23. Thymelicus mystic, Scudder, ♁.
4. Atalopedes huron, Edwards, ♂.24. Atrytone delaware, Edwards, ♂.
5. Atalopedes huron, Edwards, ♁.25. Atrytone delaware, Edwards, ♁.
6. Atrytone vitellius, Smith and26. Erynnis morrisoni, Edwards, ♂.
Abbot, ♂.27. Erynnis morrisoni, Edwards, ♁.
7. Atrytone melane, Edwards, ♂.28. Thymelicus ætna, Boisduval, ♂.
8. Atrytone melane, Edwards, ♁.29. Thymelicus ætna, Boisduval, ♁.
9. Lerema hianna, Scudder, ♂.30. Limochores manataaqua,
10. Lerema hianna, Scudder, ♁.Scudder, ♁.
11. Erynnis ottoë, Edwards, ♂.31. Euphyes metacomet, Harris, ♂.
12. Erynnis ottoë, Edwards, ♁.32. Euphyes verna, Edwards, ♂.
13. Erynnis sassacus, Harris, ♂.33. Lerodea eufala, Edwards, ♁.
14. Phycanassa viator, Edwards, ♂.34. Prenes ocola, Edwards, ♂.
15. Phycanassa viator, Edwards, ♁.35. Oligoria maculata, Edwards, ♂.
16. Limochores pontiac, Edwards, ♂.36. Lerema carolina, Skinner, ♂.
17. Limochores pontiac, Edwards, ♁.37. Phycanassa aaroni, Skinner, ♂.
18. Hylephila phylæus, Drury, ♂.38. Phycanassa howardi, Skinner, ♂.
19. Hylephila phylæus, Drury, ♁.39. Thorybes æmilia, Skinner, ♂.
20. Atrytone byssus, Edwards, ♁.40. Limochores yehl, Skinner, ♂.

Explanation of [Plate XLVII]

1. Pamphila mandan, Edwards, ♂.22. Poanes massasoit, Scudder, ♁.
2. Ancyloxypha numitor, Fabricius, ♂.23. Erynnis attalus, Edwards, ♂.
3. Oarisma garita, Reakirt, ♂.24. Polites peckius, Kirby, ♂.
4. Oarisma poweshiek, Parker, ♂.25. Polites peckius, Kirby, ♁.
5. Amblyscirtes vialis, Edwards, ♂.26. Polites mardon, Edwards, ♂.
6. Amblyscirtes samoset, Scudder, ♂.27. Erynnis uncas, Edwards, ♂.
7. Amblyscirtes ænus, Edwards, ♁.28. Erynnis uncas, Edwards, ♁.
8. Amblyscirtes simius, Edwards, ♂.29. Erynnis snowi, Edwards, ♂.
9. Copæodes procris, Edwards, ♂.30. Erynnis snowi, Edwards, ♁.
10. Copæodes wrighti, Edwards, ♂.31. Atrytone taxiles, Edwards, ♂.
11. Copæodes myrtis, Edwards, ♂.32. Atrytone taxiles, Edwards, ♁.
12. Hesperia scriptura, Boisduval, ♁.33. Erynnis metea, Scudder, ♂.
13. Hesperia centaureæ, Rambur, ♂.34. Erynnis metea, Scudder, ♁.
14. Hesperia cæspitalis, Boisduval, ♁.35. Erynnis leonardus, Harris, ♂.
15. Hesperia xanthus, Edwards, ♂.36. Erynnis leonardus, Harris, ♁.
16. Amblyscirtes textor, Edwards, ♂,37. Atrytone zabulon, Boisd.-Lec., ♂.
under side.38. Atrytone zabulon, Boisd.-Lec., ♁.
17. Hesperia nessus, Edwards, ♂.39. Atrytone pocahontas, Scudder, ♁.
18. Hesperia montivaga, Reakirt, ♂.40. Thymelicus brettus, Boisd.-Lec., ♂.
19. Hesperia domicella, Erichson, ♂.41. Thymelicus brettus, Boisd.-Lec., ♁.
20. Limochores taumas, Fabricius, ♂.42. Polites sabuleti, Edwards, ♂.
21. Poanes massasoit, Scudder, ♂.43. Polites sabuleti, Edwards, ♁.
44. Erynnis sylvanoides, Boisduval, ♂.

Explanation of [Plate XLVIII]

1. Thanaos persius, Scudder, ♂.10. Thanaos lucilius, Lintner, ♂.
2. Thanaos somnus, Lintner, ♂.11. Thanaos juvenalis, Fabricius, ♁.
3. Thanaos nævius, Lintner, ♁.12. Thanaos funeralis, Lintner, ♂.
4. Thanaos martialis, Scudder, ♂.13. Thorybes epigena, Butler, ♂.
5. Thorybes bathyllus, Smith and14. Pholisora libya, Scudder, ♂.
Abbot, ♁.15. Thanaos horatius, Scudder, ♂.
6. Thorybes pylades, Scudder, ♁.16. Pholisora hayhursti, Edwards, ♁.
7. Thanaos petronius, Lintner, ♂.17. Thanaos icelus, Lintner, ♂.
8. Lerema accius, Smith and Abbot, ♂.18. Colias eurytheme, Boisduval, ♁,
9. Thanaos pacuvius, Lintner, ♁.albino.