263
monium is the general prototype, the hydrogen of that volatile base being replaced to the extent of one, two, three, or four equivalents, by a multitude of elementary and compound radicals. Your method, also, of introducing these radicals into the constitution of ammonia, by the agency of the bromides and iodides of the radicals, has been found to admit of extensive application, and has very materially assisted in the general progress which organic chemistry has made since this method was made public.
Dr. Neil Arnott,
I have much pleasure in announcing, that a Rumford Medal has been awarded to you, "for your construction of a new Smoke-consuming and Fuel-saving Fire-place, with accessories, ensuring the healthful warming and ventilation of houses, lately described in the Journal of the Society of Arts (May 12, 1854), and for your various contributions to the elucidation of the principles and improvement of the practice of heating and ventilation."
The President then called upon Dr. Sharpey to read the following obituary notices of some of the deceased Fellows:—
Edward Forbes.—In the melancholy list of those who have passed away from among the Fellows of this Society, there is no name whose mention will awaken a more general and profound feeling of regret than that of Edward Forbes. Some leave us full of years and honours, their work in this world finished, and its rewards enjoyed; the sphere of action of others has been so limited, that their absence is felt within only a narrow circle; but in Edward Forbes we have to lament one whose vigorous intellect had but just attained the ripeness of the prime of life; who, after rising with almost unexampled rapidity to the height of his ambition, sank within sight of a future more brilliant than his past; and whose loss to the brethren in science who looked up to him, to the University whose hopes were centred in him, and to the friends of all classes and pursuits who loved him, is truly irreparable.
A native of the Isle of Man, and born in the year 1815, Edward Forbes exhibited at a very early age that aptness for and attach-VOL. VII. 2 D
