176 



•HEMOGLOBIN 



be helpful in any theoretical treatment of the subject. Only recently 

 for the first time had I the curiosity to turn back to these curves 

 and see what they really looked like in the light of later-day tests. 



100 



10 



60 



20 30 40 50 



Oxygen pressure mm. Hg 

 Fig. 67. Curve I at 14° C, II at 26° C, III at 32° C, IV at 38° C. 



70 



Fig. 57 shows the points obtained by King and myself. The lines 

 are the same as those in our original figure except that (1) the one 

 corresponding to 38° C. has been drawn more rigidly through the 



