ABSORPTION SPECTRA OF CHLOROPHYLLS 



499 



550 600 650 



WAVELENGTH, m^x 



Fig. 6. Absorption spectra of chlorobium chlorophylls in ether. Solid curve, 

 chlorobium Chi 650. Dashed curve, chlorobium Chi 660. The ordinate is in units 

 of liters per gram-cm. Reproduced fromReference 4 by permission of Dr. J.H. 

 C. Smith. 



WAV! lENCTH IN MIUIMICRONS 



Fig. 7. Absorptionspectraof BChl and bacteriopheophytin in ether. The ordinate 

 is in units of liters per gram-cm. Reproduced from Reference 2 by permission 

 of Dr. J. H. C. Smith. 



