58 IMMUNOLOGY 



Plate II. — Cells in Pekitoneal Exudate ok \\'uite Rat. Supra-vital 

 Preparation Using Neutral Red and Janus Green 



1. Lymphocyte showing both neutral red granules and mitachondria. 



2. Lymphocyte showing only mitachondria. 



3. Clasmatocyte showing vacuoles of neutral red and mitachondria. 



4. Monocyte showing the rosette and mitachondria. 



o. Clasmatocyte which has phagocytized a neutrophile (note tliat tlie nucleus 

 of the neutrophile, being dead, stains witli neutral red). 



