brush with an abundance of turpentine to free all the old balsam of every, The back side and the downward edge is drained of the turpentine but the specimen is not touched. This now laid on the warming table as stated. After heating a while so that hardly any fumes from off the cover glass is taken in a finisher, cleansed of dust with a brush and considerable of the balsam is sensible under it or forward and then dried. Slowly it crinks spreading the balsam and acts air bubbles in front of it. Before the cover glass is laid on the piece is tested and so before much not sticks to the finger nail. The cover glass is worked back and forth to squeeze out all superfluous gum and air bubbles. Then - by Hoddle Knife is heated over a flame, the edge of the Blade is ground on one edge off, and with this heated Blade are the balsam cut away. It is then washed in calchol with a large jeweller brush, then it water are the slide is finished. This is the process for all slides of soft nature that can not be remounted on a clean slip of glass. When the material is hard, the slides after being ground down to a finish are laid in