No. 32. — White Cement.

Beeswax, 1 part.

Powdered plaster of Paris (best fine), 5 parts.

Resin, 4 parts.

Warm the edges (when possible) and use the cement warm.

I would advise the plaster being stirred into the other two ingredients as wanted. The great objection to this and to all the "coagulines" is that the edges of the specimen require warming, which cannot always be done.

Another good colourless cement is

No. 33. — White Cement, No. 2.

Gum tragacanth in powder, 1 part.

Gum arabic (acacia) in powder, 1 part.