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General Meeting, April 6tb, 1886. 
Professor W. C. Williamson, LL.D., F.RS., President, • 
in the Chair. 
Mr. Henry Simon of Darwin House, Didsbury, and Dr. 
Alfred Brown of Higher Broughton, were elected Ordinary 
Members of the Society. 
The Pkesident called attention to the notice in No. 8 
of the Proceedings of a motion made at a general meeting 
held on February 9th, relative to the reduction of the 
entrance fee to one half ; it was afterwards found that the 
method of procedure adopted was not in conformity with 
the prescribed method for altering rules, and the matter 
would again be brought before the Society in a regular 
way. 
Ordinary Meeting, April 6th, 1886. 
Professor W. C. Williamson, LL.D., F.RS., President, 
in the Chair. 
“ On the Projec trices of a Circle,” by James Bottom ley, 
D.Sc., B.A., F.C.S. 
In a paper read before the society last session “ On the 
Composition of Projections in two Dimensions,” it was 
shown how a curve might be derived from another by the 
mode of generation therein described ; the curve so derived 
I proposed to call the projectrix of the primitive curve ; in 
Peoceedings— Lit. & Phil. Soc.—Vol. XXV.— No. 12.— Session 1885-6 
