BLOOD AND LYMPH 



265 



FIG. 78. HEMIN CRYSTALS FROM HUMAN BLOOD. 



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



of Pennsylvania. 



FIG. 79. HEMIN CRYSTALS FROM SHEEP BLOOD. 



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

 University of Pennsylvania. 



