IODOPHILIA REACTION. 153 



Make blood-smears on cover-glasses as usual, and after they dry, 

 but without fixation, mount them in a drop of the following solution: 



Iodine, i part. 



Potassium iodide, 3 parts. 

 Gum arabic, 50 parts. 



Water, 100 parts. 



Small brown masses in the polymorphonuclears or lying extra- 

 cellular indicate a positive iodophilia. 



