His educational plans had been maturing in his mind since 1776.
The maturing of the treaty of peace took a considerable time, and Henderson was again active in the negotiations, first at Ripon (October 1st) and afterwards in London.
A secret mission to Genoa enabled him to inspect the pass north of Savona, and the knowledge of the peculiarities of that district certainly helped him in maturing his plan for an invasion of Italy, which he put into execution in 1796.
The art of sericulture concerns itself with the rearing of silkworms under artificial or domesticated conditions, their feeding, the formation of cocoons, the securing of these before they are injured and pierced by the moths, and the maturing of a sufficient number of moths to supply eggs for the cultivation of the following year.
The single exception is provided by the slowly-maturing Highland breed of cattle, for which classes were allotted to (I) steers not exceeding three years old, (2) steers or oxen above three years old (with no maximum limit), and (3) heifers not exceeding four years old.