252 



PHYSIOLOGICAL CHEMISTRY 



FlG. 72. OXYHEMOGLOBIN CRYSTALS FROM BLOOD OF THE HORSE. 



Reproduced from a micro-photograph furnished by Prof. E. T. Reichert, of the University 



of Pennsylvania. 



FIG. 73. OXYHEMOGLOBIN CRYSTALS FROM BLOOD OF THE SQUIRREL. 

 Reproduced from a micro-photograph furnished by Prof. E. T. Reichert, of the University 



of Pennsylvania. 



