32 HISTOLOGICAL TLCHXIC 



(12) Jenner's Blood Stain. 



Water-soluble eosin (Griibler), i-per-cent. aqueous 



solution, 100 c.c. 



Methylene blue — pure (Griibler), i-per-cent. aqueous 



solution, 100 c.c. 



Mix, and after standing 24 hours, filter. The filtrate is 



dried at 65° C, washed, again dried and powdered. 



To make the staining solution, o . 5 gm. of the powder is dissolved 

 in 100 c.c. pure methyl alcohol. Blood smears stain in from two to 

 live minutes. They are then washed in water, dried, and mounted 

 in^balsam. 



This solution acts as a fixative as well as a stain. 



1 



