19. Another form of ditto, magnified.
20. — from Small White B. magnified.
21. — from Orange-tip B. magnified.
22. Battledore Scale from Blue B. magnified.
23. Ordinary Scale from Garden White B. magnified.
24. Ordinary Scale from Wood White, magnified.
25. Ditto.
26. Ordinary Scale from Brimstone B. magnified.
27. Ditto.
28. Ditto.