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than myself, who will correct me where I have gone astray, or refer me to information which I ought to have given. I may not have the opportunity of utilising suggestions myself; but all that I receive will be carefully collated, and may assist some future writer.
A. C. Wootton.
4, Seymour Road, Finchley,
London, N.
PUBLISHERS' NOTE
As the author unhappily died while his book was
still in the printer's hands, his friend, Mr. Peter
MacEwan, editor of The Chemist and Druggist, has
been good enough to revise the proofs for press.
