CYTOLOGICAL METHODS                   311
Kil I nitric acid with 60 to 50 parts water. Wash, vith water until
to all the yellow stain of the nitric acid has disappeared; stain
or with Schneider's acetic carmine, and mount in glycerin. (The
preparations cannot be said to be permanent, as after a time
I the stain darkens in such a way as to render the nuclear
figures unrecognisable,)
1m
Ba aye,
fn