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Contributions to Electricity and Magnetism. By Joseph Henry, LL. D. Professor of Natural Philosophy in the College of New Jersey, Princeton. No. IV. On Electro-Dynamic Induction. (Continued.)

Authors: Joseph Henry

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 1-35

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005226

Description of an Entire Head and Various Other Bones of the Mastodon

Authors: William E Horner | Isaac Hays

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 37-48

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005227

On the Cecidomyia Destructor, or Hessian Fly

Authors: M H Morris

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 49-51

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005228

Remarks on the Dental System of the Mastodon, with an Account of Some Lower Jaws in Mr. Koch's Collection, St. Louis, Missouri, Where There Is a Solitary Tusk on the Right Side

Authors: W E Horner

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 53-59

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005229

Observations to Determine the Magnetic Intensity at Several Places in the United States, with Some Additional Observations of the Magnetic Dip

Authors: Elias Loomis

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 61-72

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005230

On the Perchlorate of the Oxide of Ethule or Perchloric Ether

Authors: Clark Hare | Martin H Boyè

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 73-76

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005231

Observations on the Storm of December 15, 1839

Authors: William C Redfield

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 77-82

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005232

On the Purturbations of Meteors Approaching near the Earth. By Benjamin Pierce, A. A., Hollis Professor of Mathematics and Natural Philosophy in Harvard University; In a Letter to S. C. Walker, Esq

Authors: Benjamin Pierce

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 83-86

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005233

Researches concerning the Periodical Meteors of August and November

Authors: Sears C Walker

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 87-140

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005234

Astronomical Observations Made at Hudson Observatory, Latitude 41 degrees 14 minutes 40 seconds North, and Longitude 5 hours. 25 minutes. 45 seconds. West

Authors: Elias Loomis

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 141-154

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005235

Expansion of F (x + h)

Authors: Pike Powers

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 155-161

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005237

Description of New Fresh Water and Land Shells

Authors: Isaac Lea

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 163-250

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005238

Description and Notices of New or Rare Plants in the Natural Orders Lobeliaceæ, Campanulaceæ, Vaccinieæ, Ericaceæ, Collected in a Journey over the Continent of North America, and during a Visit to the Sandwich Islands, and Upper California

Authors: Thomas Nuttall

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 251-272

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005239

Observations on the Geology of the Western Peninsula of Upper Canada, and the Western Part of Ohio

Authors: William B Rogers | Henry D Rogers

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 273-284

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005240

Observations of the Magnetic Dip in the United States. Fourth Series

Authors: Elias Loomis

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 285-304

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005241

Supplementary Observations on the Storm Which Was Experienced throughout the United States about the 20th of December, 1836

Authors: Elias Loomis

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 305-306

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005242

Astronomical Observations, Made at Several Places in the United States

Authors: J N Nicollet

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 307-310

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005243

Observations of Encke's Comet, at the High School Observatory, Philadelphia, March and April 1842, with the Fraunhofer Equatorial

Authors: Sears C Walker | E Otis Kendall

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 311-314

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005244

Observations of the Magnetic Dip, Made in the United States, in 1841

Authors: J N Nicollet

Published in Transactions of the American Philosophical Society, in 1843, in volume 8, pages 315-326

Created: 2026-05-26, modified: 2026-05-26

doi:10.2307/1005245