Table of Contents

Articles

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  The Tenth International Geological Congress at Mexico City

  Charles Schuchert

  American Journal of Science December 1906, s4-22 (132) 463-465; DOI: https://doi.org/10.2475/ajs.s4-22.132.463
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  Relative activity of radium and thorium measured by the gamma-radiation

  A. S. Eve

  American Journal of Science December 1906, s4-22 (132) 477-480; DOI: https://doi.org/10.2475/ajs.s4-22.132.477
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  A fossil bird from the Wasatch

  Frederic Brewster Loomis

  American Journal of Science December 1906, s4-22 (132) 481-482; DOI: https://doi.org/10.2475/ajs.s4-22.132.481
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  Iodometric determination of basic alumina and of free acid in aluminium sulphate and alums

  S. E. Moody

  American Journal of Science December 1906, s4-22 (132) 483-487; DOI: https://doi.org/10.2475/ajs.s4-22.132.483
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  Separation of arsenic from copper as ammonium-magnesium arseniate

  F. A. Gooch and M. A. Phelps

  American Journal of Science December 1906, s4-22 (132) 488-492; DOI: https://doi.org/10.2475/ajs.s4-22.132.488
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  Contributions to the geology of New Hampshire; No. II, Petrography of the Belknap Mountains

  L. V. Pirsson and H. S. Washington

  American Journal of Science December 1906, s4-22 (132) 493-514; DOI: https://doi.org/10.2475/ajs.s4-22.132.493
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  On yttocrasite, a new yttrium-thorium-uranium titanate

  William Earl Hidden and C. H. Warren

  American Journal of Science December 1906, s4-22 (132) 515-519; DOI: https://doi.org/10.2475/ajs.s4-22.132.515
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  Note on the estimation of niobium and tantalum in the presence of titanium

  C. H. Warren

  American Journal of Science December 1906, s4-22 (132) 520-522; DOI: https://doi.org/10.2475/ajs.s4-22.132.520
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  Ceanothus americanus L. and ovatus Desf.; a morphological and anatomical study

  T. Holm

  American Journal of Science December 1906, s4-22 (132) 523-530; DOI: https://doi.org/10.2475/ajs.s4-22.132.523
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  Photometric measurements on a person possessing monochromatic vision

  F. L. Tufts

  American Journal of Science December 1906, s4-22 (132) 531-533; DOI: https://doi.org/10.2475/ajs.s4-22.132.531
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  On Eodevonaria, a new subgenus of Chonetes.

  C. L. Breger

  American Journal of Science December 1906, s4-22 (132) 534-536; DOI: https://doi.org/10.2475/ajs.s4-22.132.534
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  Note on the production of radium by actinium

  B. B. Boltwood

  American Journal of Science December 1906, s4-22 (132) 537-538; DOI: https://doi.org/10.2475/ajs.s4-22.132.537