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action angles animal appears applied ascertained atmosphere axis Bart blood bodies Captain carbon carbonic acid chlorine colour Communicated compound concludes contained copper crystals David Brewster deduced described determine direction distance Edward Sabine effect electricity employed error examined experiments F.R.S. Read fixed stars fluid former glass Greenwich heat height Henry Foster Henry Kater Herschel hydrogen inches influence instrument iron Kater length light longitude magnetic needle mean measure mercury metals method mode motion muriatic acid muscles nearly nerves observations Observatory obtained ovum oxide oxygen paper parallax peculiar pendulum phenomena Phil plane plate platinum polarization pole portion produced proportion quantity rays Read April Read February Read June Read March reflexion refraction remarks right ascension Royal Sir Everard Home Sir Humphry Davy specific gravity structure substance sulphuric acid surface tain telescope temperature tion Trans tube vibrations William Hyde Wollaston wire
Page 408 - Commission, when it ordered the killing of the "wild well." The object of the present paper is to give an account of the...
Page xiii - Account of an assemblage of fossil teeth and bones of elephant, rhinoceros, hippopotamus, bear, tiger, and hyaena and sixteen other animals : discovered in a cave at Kirkdale, Yorkshire, in the year 1821 : with a comparative view of five similar caverns in various parts of England, and others on the Continent.
Page 441 - On the Anomaly in the Variation of the Magnetic Needle, as observed on Ship-board.
Page 353 - ... upon a platina tray, under an inverted pot, to the heat of a wind-furnace. The ingot, on being taken out of the furnace, is immediately to be plunged into dilute sulphuric acid, which in the course of a few hours will entirely dissolve the flux adhering to the surface.
Page 261 - Account of a Series of Observations made in the Summer of the Year 1825, for the Purpose of determining the Difference of Meridians of the Royal Observatories of Greenwich and Paris; drawn up by JF W . Herschel, Esq.
Page 363 - R other other fluid, to the height of two or three inches ; while the remaining parts of the tube, together with the cistern, to the depth of about half an inch, are filled with oil ; care being taken to bring the surfaces of water in both legs to the same level, by equalizing the pressure of the incumbent columns of oil. If the horizontal pipe be applied to the key-hole of a door, or any similar perforation in...
Page 157 - On a new species of Rhinoceros found in the interior of Africa, the Skull of which bears a close resemblance to that found in a fossil state in Siberia and other countries.
Page xv - On the double Organs of Generation of the Lamprey, the Conger Eel, the Common Eel, the Barnacle, and Earth- Worm, which impregnate themselves, though the last, from copulating, appear mutually to impregnate one another.
Page 386 - Bruja, where the water in dry seasons is very brackish, and from which there is no perceptible current to the sea. The result of this survey fixes the mean height of the Pacific, at Panama, at 3-52 feet above the Atlantic at Chagres. Between the extremes of elevation and depression of the...
Page 357 - This paper commences by noticing that the Philosophical Transactions contain the record of observations on the dip of the needle in London, from the early part of the last century to the present time. That these observations all concur in showing a progressive decrease of the dip during the whole period in question, but that they are insufficient in number and frequency, and the earlier ones particularly, in the required accuracy to enable us to determine whether the annual decrease has been uniform...