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LVIII. Notices respecting New Boo/cs. 



T^HE Third Part of the Philosophical Transactions for 1826 

 -*- has just appeared; the following are its contents: 



On the coagulation by heat of the fluid blood in an aneu- 

 rismal tumour. By Sir Everard Home, Bart. V.P.R.S. — 

 On the mathematical theory of suspension bridges, with tables 

 for facilitating their construction. By Davies Gilbert, Esq. 

 V.P.R.S., &c. — On magnetic influence in the solar rays. By 

 Samuel Hunter Christie, Esq. M.A. F.R.S. — On the mutual 

 action of sulphuric acid and alcohol, with observations on the 

 composition and properties of the resulting compound. By 

 Mr. Henry Hennell. — On a method of expressing by signs 

 the action of machinery. By Charles Babbage, Esq. F.R.S. 

 — On the parallax of the fixed stars. By J. F. W. Herschel, 

 Esq. M.A. Sec. R.S. — A formula for expressing the decrement 

 of human life. By Thomas Young, M.D. For. Sec. R.S. — Ac- 

 count of an experiment on the elasticity of ice. By Benjamin 

 Bevan, Esq. — Results of the application of Captain Kater's 

 floating collimator to the astronomical circle at the observa- 

 tory of Trinity College, Dublin, and remarks relative to those 

 results. By the Rev. J. Brinkley, D.D. F.R.S. P.R.I.A.— 

 On the means of facilitating the observation of distant stations 

 in geodsetical operations. By Lieutenant Thomas Drummond. 

 — On the production and formation of pearls. By Sir Everard 

 Home, Bart. V.P.R.S. — On burrowing and boring marine 

 animals. By Edward Osier, Esq. — An account of some ex- 

 periments relative to the passage of radiant heat through glass 

 screens. By the Rev. Baden Powell, M.A. F.R.S.— The Ba- 

 kerian Lecture : On the relations of electrical and chemical 

 changes. By Sir Humphry Davy, Bart. Pres. R.S. — On the 

 discordances between the sun's observed and computed right 

 ascensions, as determined at the Blackman-street Observatory 

 in 1821 and 1822; with experiments to show that they did 

 not originate in instrumental derangement. Also, A descrip- 

 tion of the seven-feet transit with which the observations 

 were procured, and upon which the experiments were made. 

 By James South, Esq. F.R.S. — On the existence of a limit to 

 vaporization. By M. Farady, F.R.S. — On electrical and 

 magnetic rotations. By Charles Babbage, Esq. F.R.S. &c. — 

 Case of a lady born blind, who received sight at an advanced 

 age by the formation of an artificial pupil. By James Ward- 

 rop, Esq. F.R.S. Ed. — On the progressive compression of wa- 

 ter by high degrees of force, with some trials of its effects on 

 other fluids. By J. Perkins. — On the figure of the earth. 

 By George Biddell Airy. M.A. 



Vol. 68. No. 343. Nov. 1826. 3 B The 



