Autres éditions - Tout afficher
Page 180 - Description of an Electrical Machine, with a Plate, four feet in diameter, so constructed as to be above the operator ; also of a Battery Discharger employed therewith, and some observations on the causes of the Diversity in the Length of the Sparks, erroneously distinguished by the terms Positive and Negative, by R.
Page 237 - Explorations under the War Department. Explanations of a Second Edition of a Geological Map of Nebraska and Kansas, based upon Information obtained in an Expedition to the Black Hills, under the Command of Lieut. GK Warren.
Page 18 - The Localities of the Irish Carboniferous Fossils, arranged according to the Stratigraphical Subdivisions of the Carboniferous System adopted in the Geological Map of Ireland, with the Irish Mining Localities as appended to the Synoptical Table of Fossils...
Page 266 - An improved solution of a problem in physical astronomy by which swiftly converging series are obtained, which are useful in computing the perturbations of the motions of the Earth, Mars, and Venus by their mutual attraction.
Page 415 - On the structure of the Organs of Respiration in Animals, which appear to hold an intermediate place between those of the Class Pisces and the Class Vermes, and in two genera of the last mentioned class; by Sir Everard Home, Bart.
Page 237 - Notes explanatory of a map and section, illustrating the geological structure of the country bordering on the Missouri river, from the mouth of the Platte to Fort Benton in latitude 47° 30' N., longitude 110° 30
Page 413 - Observations on the Shell of the Sea- Worm found on the Coast of Sumatra, proving it to belong to a Species of Teredo, with an account of the Anatomy of the Teredo Navalis.
Page 165 - Preliminary catalogue of fixed stars, intended for a prospectus of a catalogue of the stars of the southern hemisphere, included within the tropic of Capricorn now reducing from the observations made in the observatory at Paramatta, 8", Hamburg 1832.