﻿Red Yellow Green Blue Indigo Violet 



Fir.. 17.— Curves Showing Synthetic, Thermal and Disinteorat- 



iNG Effects of the Regions of the Solar 



Spectrum. After Pfeffer. 



Svntbesis. Heat. — ■ Disintegration. 



Fig. 18.— I. Spectru.m of Chlorophyll with Seven Ab- 

 sorption Bands. The two in the red-yellow between B and D, 

 and the three in the bhie-violet, beyond F, blended in the dia- 

 gram, are the most important and characteristic. 



II. Spectrum of Amaranth-rkd. All the rays except those 

 falling between B and D have been absorbed. 



III. Spectrum of Autumnal Color of Leaves of Ampelop- 

 sis. All the rays except a part of those falling between C and D 

 have been absorbed. 



