Plate IX. 



J. Indigo Blue. 



2. Marine Blue. 



4. Berlin Blue. 5. Hyacinth Blue. 6. French Blue. 



7. Paris Blue. 8. Smalt Blue. 9. Ultramarine Bhie, 



10. Antwerp Blue. ll.CampanulaBlue. 12. Cobalt Blue. 





13. China Blue. 14-. Flax Flower Blue. 15 Azure Blue. 



16. Pale Blue. 17. Pearl Blue. 18. Sevres Blue. 



19. Glaucous-Blue. 20. Turquoise Blue. 21. Cerulean Blue. 



2'J.Verditer Blue. 23. Nile Blue. 



