204 BACTERIOLOGICAL DIAGNOSIS. 



6. Methylene blue for three or four minutes. Some 

 of the stain comes out in the alcohol, so that the section 

 must be stained more deeply than will be required 

 ultimately. 



8. Rinse off the blue stain in water, and then remove 

 the greater part of the latter with blotting-paper ; this 

 is to render the dehydration more rapid. 



9. Absolute alcohol two lots in rapid succession. 



10. Xylol. 



11. Balsam and cover-glass. 



