9. Section of sucker of ditto, magnified.

10. Papillæ on end of do. magnified.

11. Portion of Eye of Butterfly, magnified.

12. Antenna of Fritillary, magnified.

13. — Swallow-tailed B. magnified.

14. — Skipper B. magnified.

15. Base of Antenna, magnified.

16. Arrangement of Scales on Wing, magnified.

17. Plumed Scale, magnified.

18. Long form of ditto, magnified.