Errata

XXIII. *On the Equilibrium of a Mass of Homogeneous Fluid at liberty.* By JAMES IVORY, K.H. M.A. F.R.S. Instit. Reg. Sc. Paris. Corresp., et Reg. Sc. Gottin. Corresp. XXIV. *Observations on the Torpedo, with an account of some additional Experiments on its Electricity.* By JOHN DAVY, M.D. F.R.S. Assistant Inspector of Army Hospitals. Communicated by Sir James McGrigor, Bart. F.R.S. Director General of the Army Medical Department XXV. *Some Remarks in reply to Dr. Daubeney's Note on the Air disengaged from the Sea over the Site of the recent Volcano in the Mediterranean.* By JOHN DAVY, M.D. F.R.S. Assistant Inspector of Army Hospitals XXVI. *On the Ova of the Ornithorhynchus paradoxus.* By RICHARD OWEN, Esq. Assistant Conservator of the Museum of the Royal College of Surgeons in London. Communicated by Sir Anthony Carlisle, F.R.S. XXVII. *Observations on the Motions of Shingle Beaches.* By HENRY R. PALMER, Esq. F.R.S. Civil Engineer XXVIII. *Analysis of the Moira Brine Spring near Ashby-de-la-Zouche, Leicestershire; with Researches on the Extraction of Bromine.* By ANDREW URE, M.D. F.R.S. XXIX. *An Account of some Experiments to measure the Velocity of Electricity and the Duration of Electric Light.* By CHARLES WHEATSTONE, Esq. Professor of Experimental Philosophy in King's College, London. Communicated by MICHAEL FARADAY, Esq. F.R.S. &c. Index ERRATA. Phil. Trans. 1833.—page 756, line 6, for excreting read secreting page 759, line 25, for (Plate XXI.) read (Plate XXIII.)