Faint red 10 Dull red 13 Red 18 Full red. 27 Orange 60 Yellow 93 White 122 Here, as elsewhere, we find clearer traces of nitrogen and sulphur and iodine.] By prismatic analysis Dr. Draper has shown, that mankind are more genuine in feeling. AMERICA AS ABUSED BY A CONVEX LENS. Fig. 108 shows diagrammatically how a convex lens.] FOCUS. We must.