154 EXPLANATION Ol : TERMS 



CH. Cubitus, when it refers to a vein and cubital in a cell. 



A. Anal veins or cells. 



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. 



0. oblique vein. 

 t. triangle. 



1. 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 Cl and M2, should be M3: 

 the 3 was accidentally cut out by the engraver. 



COLOR PLATE. 



Nomenclature of Windsor and Newt oil's Water Colors. 



1. Vermilion. 21. Brown pink. 



2. Carmine. 22. Pale clay yellow. 



3. Crimson lake. 23. Hooker's green. 



4. Alizar crimson. 24. Prussian green. 



5. Salmon. 25. Olive green. 



6. Rose. 26. Apple green. 



7. Purple madder. 27. Nile green. 



8. Mauve. 28. Pale green. 



9. French blue. 29. Blue green. 



10. Purple lake. 30. Neutral. 



11. Violet carmine. 31. Gray. 



12. Lilac. 32. Ultra ash gray. 



13. Cobalt blue. 33. Indian red. 



14. Lavender. 34. Dragon's blood. 



15. Blue gray. 35. Burnt sienna. 



16. Greenish gray. 36. Brown ochre. 



17. Chrome lemon. 37. Cologne earth. 



18. Gamboge. 38. Roman sepia. 



19. Chrome orange. 39. Van Dyke brown. 



20. Pale cadmium yellow. 40. Pale brown. 



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