One alcohol lamp.

Package of wooden toothpicks.

The cover holder may be easily made by taking a piece of thin platinum, two inches long and one-eighth wide, splitting one end for half an inch up and bending into a Y shape, then lashing to a small handle (I use a match). This little tool is most convenient for floating cover glasses in staining fluids.

The reagents necessary are as follows:

A five per cent. solution of nitric acid in alcohol (95 per cent.).

Saturated alcoholic solution of fuchsine.

Saturated alcoholic solution of methyl blue.

Small quantity of alcohol, 80 to 95 per cent.

Pure colorless aniline oil (anilin).

The method is as follows: