ABSORPTION SPECTRA. 



PLATE 13. 



.ea .81 .60 .18 .88 .67 .88 .SB .5* .68 .62 .61 .60 M M .^7 .M .*$ . .40 .42 .! M .89 .3^8 .37 .38 .36 .a .33 .32 ,31 .30 .20 .28 .27 .26 .26 .2* .23 :: Ji -n 



;!l||lll|ll|]|llll|li;iki|'il!ilil:|i!!' "T : :! :i' !llV;:^ii!:i'^ill|i(ll||i!l!|ft 



FIG. 49. 



FIG. 49. SEE NO. 100. CORALLINE RED. 



FIG. 50. SEE NO. 88. NEW MAGENTA. 



FIG. 51. SEE NO. 48. PONCEAU 4 R B. 



FIG, 52. SEE NO. 21. EOSAMINE B, 



hELIOTYPE CO., rlOSTON. 



