Part 164

c-v. cross-vein.

m-cu. medio-cubital cross-vein.

r-m. radio-medial cross-vein.

m. median cross-vein.

h. humeral cross-vein.

st. stigma.

ar. arculus.

br. bridge.

n. nodus.

o. oblique vein.

t. triangle.

i. internal triangle.

al. anal loop.

Antn-c-sp. Antenodal costal spaces.

Ptn-c-sp. Postnodal costal spaces.

Ptn-r-sp. Postnodal radial spaces.

All cells are named after the vein that bounds them anteriorly and are numbered, if more than one, from base outwardly, as 2M3 = second median 3, etc.

In figure 1, M, in the outer margin between C1 and M2, should be M3: the 3 was accidentally cut out by the engraver.

Plate 1

Plate 2

Plate 3

COLOR PLATE.

Nomenclature of Windsor and Newton's Water Colors. 1. Vermilion. 2. Carmine. 3. Crimson lake. 4. Alizar crimson. 5. Salmon. 6. Rose. 7. Purple madder. 8. Mauve. 9. French blue. 10. Purple lake. 11. Violet carmine. 12. Lilac. 13. Cobalt blue. 14. Lavender. 15. Blue gray. 16. Greenish gray. 17. Chrome lemon. 18. Gamboge. 19. Chrome orange. 20. Pale cadmium yellow. 21. Brown pink. 22. Pale clay yellow. 23. Hooker's green. 24. Prussian green. 25. Olive green. 26. Apple green. 27. Nile green. 28. Pale green. 20. Blue green. 30. Neutral. 31. Gray. 32. Ultra ash gray. 33. Indian red. 34. Dragon's blood. 35. Burnt sienna. 36. Brown ochre. 37. Cologne earth. 38. Roman sepia. 39. Van Dyke brown. 40. Pale brown.