Numb. 426.
PHILOSOPHICAL
TRANSACTIONS.
For the months of November and December, 1732.
The CONTENTS.
I.Two Letters from Mr. Stephen Gray, F.R.S. to C. Mortimer, M.D. Secr. R.S. containing farther Accounts of his Experiments concerning Electricity.
II.EPHEMERIDES METEOROLOGICÆ, Barometricæ, Thermometricæ, Epidemicæ, Magneticæ, ULTRAJECTINÆ conscriptæ à Petro Van Muschenbroek, L.A.M. Med. & Phil. D. Phil. & Mathes. Profess. in Acad. Ultraj. Annis 1730, & 1731.
III.A Letter from Mr. Jac. Theod. Klein, Secret. Dan. & F.R.S. to Sir Hans Sloane Bart. Pr.R.S. &c. serving to accompany the Pictures of a very extraordinary fossile Skull of an Ox with the Cores of the Horns; of the Plica Polonica mentioned in Transact. No 417; and of a very large Tumor of the Eye.Translated from the Latin by T. S. M. D.
IV. An
