YorksJure Scienfijic. Jlcrdiig. 2^3 
pectiiig' tlie qiiiiliticatioiis of tliose persons who iiiight becomt; iiiciiiljcis of tlie 
Association, occasioned long- discussion, and was refeiTfd back lo flie coiiitiiittef!. 
The otiier resolutions were then passed with scarcely ai;y opposition. 
About a hundred of the visitors dined tog-ether at hve o'clocic, at tiie \o\\i 
Tavern ; Lord Milton was in tiie chair. 
In the Evening- the snite of rooms was agfain thrown open, and the theatre was 
filled by a most brilliant company. Several of the ladies appeared in full diess, 
and the effect of the spectacle was most delig-htfnl. The Lecture was delivered 
by J. H. Abraham, F.L S., of Sheffield, who took the mag-net for his subject. 
Mr. Abi-aham noticed the discovery of the magnet, and the gradual improvement 
in magnetic science to the present time. He introduced several original and veiy 
interesting- experiments, viz. : his invention for the relief of needJe-puinters, his 
mode of neutralizing- magnetism in the steel works of time-keepers, his method of 
giving- any number of poles to a bar of sieel, and coueluded the Lecture with some 
very interesting- remarks, illustrated by experiments on the influence of the mag-- 
netic over the electric fluid. 
THiRI) DAY. WEDNr.SDAV. 
Lord Milton took the ch-.»ir about half-past twelve iVclo'jk. His Lordship sta- 
ted that in compliance with the resolution of yesterday, the Committee had taken 
under consideration some of the resolutions which were then passed; and the Rev. 
V. liarcourt, as Chairmai! of the Coniinittee^ wo\ild report what luid been done. 
Mr Harcourt stated that tiie third resolution excited consider-able discussion yes- 
terday, and after mulure consideration the Committee had resolved to substitutt; 
for it, five distinct propositions. First, that all members of this meetinu; shall, on 
subscribing- the obligation-book of the Association, become members thereof. 
Second, that the Fellows and Members of all chartered Societies be entitled to 
become Members of the Association. Third, that all office-bearers, and members 
of councils, or managing committees of all Philosophical institutions, be entitled to 
become members of tlic Association Fourth, that members of Philosophical and 
Scientific Societies, who are recommended by their respective councils shall be 
members of the Association. Fifth, that £1, annual subscription, or a composition 
of £5, be paid by each member of the Association ; and that 18 months' arrear of 
an annual subscription shall exclude from the Association. Tiie resolutions were 
all curried unanimously. The Chairman then observed that the business of ar- 
ranging and passing the rules being happily brought to a conclusion, they would 
proceed to the most pie. sunt part of the business ot the day — the reading of Scien- 
tilic Papers The fiist pajier, by Dr. Brewster, on the progress of the science of 
Mineralogy, was read by Mr Uibinson, F.R.S.E , owing lo the Doctor's absence, 
from indisposition. Mr. Phillips then read a paper by Dr. Henry, of I\[anchester, 
en the philosophical character if Dr. IM-iestly. These papers excited great inter- 
est, and a spiiited discussion. 
The rooms of the Museum were again thrown open in the evening, at eight 
o'clock, when Mr. K. Potter, .hin., read a pa|)er on a new construction of tlie 
Keflet-ting Microscope, originally proposed by Sir Isaac Newton : he exhibited 
several beautiful elliptical Mirrors, gnnind by himself lor the instrument. Mr. 
Phillips then read a very interesting descri|)tion, b} Dr. Brewster, of a new 
instrument for distinguishing precious stones and other minerals, by the colour re- 
fected, under particulai- conditions of combination with fluid media and a rectiin- 
gular glass prism. 
POIRTU DAY. TIIL ftSDAY. 
It was announced on the assembling of the meeting, by R. I. Murchison, Esq., 
F R.S., that Lord Milton would take the cliair, in the character of President of 
the British Association for the Promotion of Science On taking the chair the 
noble President acknowledged the honour c-onferred on him in appointing him 
President of the British Associatioii during the ensuing year. Mr. Har(ourt tlien 
announced that the place selected for tl.e next meeting- of the Association, in 
June, Is-S'J, was Oxford, and the President elect was Dr. Buckland. 
The Council of the British Association at the Annual Meetings, shall be com- 
posed of all persons attending those meetings who have contiibnted a paper to any 
Philosophical Society, which paper has been ordered to be printed. 
The first paper read this morning, was one by Mr. John Dalton, of !Maricliester, 
entitled, — Experiments on the quantity of food taken by a person in he:ilili, roui- 
p:ired with the quantity of secretions and insensible perspiration. 
