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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.)

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

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

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

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

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

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

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

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

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

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)

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

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

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

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

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

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

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

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

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