B. 



SECTION THREE 

 Osmic acid i% 



Potassium chlorate \^/, 



. . 82 ml. 

 . . 62-5 ml. 

 Acetic acid 10% . . . . • • 25 ml. 



Distilled water . . . . . . 80-5 ml. 



Immerse fresh tissue in solution A for twenty-four hours; then 

 transfer, without washing, to solution B and leave therein for one week. 



Reference: Stain Tech. (1934), 9, n. 



SWANK & DAVENPORT'S FIXATIVE (1935) 



Osmic acid 1% 

 Potassium chlorate 1% 

 Acetic acid 10% aqueous . . 

 Formalin (40% formaldehyde) 

 Distilled water 



Reference: Stain Tech. (1935), 10, 88. 

 TAKAHASHI'S FIXATIVE 



ZENKER-FORMOL 



See Kelly's fluid. 



2-5 ml. 

 150 ml. 

 25 ml. 

 30 ml. 

 22-5 ml. 



539 



