252 



Chapter XVII 



Vista with 33. My own blood had the same affinity for oxygen at 

 Orotava with 40, at the Canadas with 40 rnm., at Alta Vista with 38, 

 at Col d'Olen with 30 mm. and so on. This is the principle of the 



100 

 90 

 8 



70 

 60 

 50 

 40 

 30 

 20 

 1O 



10 



20 30 40 50 60 70 



10 20 30 40 50 60 



100 

 90 

 80 

 - 70 

 60 

 50 

 40 

 30 

 20 

 10 



To 



FIG. 120. Dissociation curves of Zuntz, Douglas and Barcroft. The points in each case 

 were determined with the blood exposed to the existing alveolar CO., pressure of the 

 place. 



