DEPUTY-SUPERINTENDENT OF THE COLONIAL DEPARTMENT, INTERNATIONAL
EXHIBITION;

Editor and Proprietor of "The Technologist," Author of "The Commercial Products
of the Vegetable Kingdom," "Dictionary of Trade Products," &c. &c.

"A snapper-up of unconsidered trifles."

LONDON:

ROBERT HARDWICKE, 192, PICCADILLY.

тр 995 559

вд.

TO THE

COUNCIL OF THE SOCIETY OF ARTS,

BEFORE WHOM THE SUBJECT TREATED OF IN THIS WORK

HAS BEEN FREQUENTLY DISCUSSED,

AND WHO HAVE AWARDED THE AUTHOR THE SOCIETY'S MEDAL

FOR HIS PAPER ON UNDEVELOPED PRODUCTS,

AND MORE RECENTLY ELECTED HIM AN HONORARY LIFE MEMBER

This Work

IS GRATEFULLY DEDICATED

BY THEIR OBLIGED AND OBEDIENT SERVANT,

THE AUTHOR.