452 



HEMOGLOBIN. 



[Book ii. 



ox 



to 



CO 



Fig. 89. (After Preyer and Gamgee.) The Spectra of Oxy-H/emog 

 different grades of concentration, of (reduced) haemoglobin 

 Caruonic-Oxide-ILemoglobin. 



LOHIN IN 

 AND OF 



1 to 4. Solution of Oxy-Hsemoglobin containing (1) less than -01 p.c, (2) -09 p.c., 

 (3) -37 p.c, (4) -8 p.c. 



5. " (reduced) Haemoglobin containing about -2 p.c. 



6. " " carbonic-oxide-Haemoglobin. 



In each of the six cases the layer brought before the spectroscope was 1 cm. 

 in thickness. The letters (A, a &c.) indicate Fraunhofer's lines, and the 

 figures wave-lengths expressed in 100,000th of a millimeter. 



