i88 



PHYSIOLOGICAL CHEMISTRY. 



FIG. 54. 



OXYH^EMOGLOBIN CRYSTALS FROM BLOOD OF THE DOG. 



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

 University of Pennsylvania. 



FIG. 55. 



OXYHJEMOGLOBIN CRYSTALS FROM BLOOD OF THE CAT. 



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

 University of Pennsylvania. 



