;
Le Preservation & Natural Colours in Museums Preparations.
518
hip until as few years ago, almost all Museum preparations were preserved in alcohol. The form and relations of the tipus to each other were will maintained by this method but as a process for the fixation of he Normal colours of such gross preparation
it is valueless.
Much was Expected by the introduction of formaldehyde, and Numerous mixtures Containing formalin have b:20 recommsnded from time to time to improve upon the preservation of the Natural colours of different Ngans
and tissues.
In 1897, Kaiserling published an account of a method which at once marked a distinct stepp in advance in regard to our Knowledge of sus matters. The tursues were fixed in a mixture 440c.c. formalin, 200 6.6 water, 3 grammes. Potroium Nitrate, and 6 Grammes Polarsium.
-acetate.