ABSORPTION SPECTRA. 



PLATE 12. 



-;l|S .3* .33 .32 .31 .30 .29 .2|8 .27 .38 .26 .21 .' 



'I|ll|{||||||||l||l{|linll|ipll|lllllil|llllllluili|inilllll!lllillllllilllililmllny^^ 



FIG. 47. 



FIG. 48. 



FIG. 45. SEE NO. 136. AUROPHOSPHINE 4 G. 



FIG. 46. SEE NO. 86. ACID GREEN, CONC. 



FIG. 47. SEE NO. 94. METHYL GREEN. 



FIG. 48. SEE NO. 87. FUCHSINE. 



MELIOTVPE CO., BOSTON. 



