ABSORPTION SPECTRA. 



PLATE 19. 



.82 .01 .60 .S8 .58 .67 .56 .55 .5 .63 .62 .51 .50 .49 .48 .17 .46 .45 .44 .43 .42 .41 .40 .39 .38 .37 .36 .35 .34 .33 .32 .31 .30 .29 .28 .27 .26 .26 .24 .23 .22 .21 .20 



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FIG. 73. 



FIG. 74. 



FIG. 76. 



FIG. 73. SEE NO. 149. AESCULINE. 



FIG. 74. SEE NO. 179. POTASSIUM PERMANGANATE. 



FIG. 75. SEE NO. 179. POTASSIUM PERMANGANATE. 



FIG. 76. SEE NO. 182. SODIUM NITROPRUSSTD. 



HELIOTVPE CO., SOSTOft. 



