PLATE XXXIII 



Fig. I. — Oxyhemoglobin, sheep blood. 

 Fig. 2. — Oxyhemoglobin, sheep blood. 

 Fig. 3. — NO-hemoglobin, sheep blood. 

 Fig. 4. — NO-hemoglobin, pig blood. 

 Fig. 5. — NO-hemoglobin, pig blood. 



