Table of Contents

Articles

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  A Pleistocene ground sloth, Mylodon harlani, from Rock Creek, Texas

  Richard Swann Lull

  American Journal of Science April 1915, s4-39 (232) 327-385; DOI: https://doi.org/10.2475/ajs.s4-39.232.327
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  Simple and inexpensive apparatus for tidal analysis

  E. W Brown

  American Journal of Science April 1915, s4-39 (232) 386-390; DOI: https://doi.org/10.2475/ajs.s4-39.232.386
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  Radioactive content of certain Minnesota soils

  J. C. Sanderson

  American Journal of Science April 1915, s4-39 (232) 391-397; DOI: https://doi.org/10.2475/ajs.s4-39.232.391
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  Use of hydrochloric acid in the estimation of certain forms of organic nitrogen

  W. A. Drushel and M. M. Brandegee

  American Journal of Science April 1915, s4-39 (232) 398-404; DOI: https://doi.org/10.2475/ajs.s4-39.232.398
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  The supposed vanadic acid from Lake Superior is copper oxide

  Waldemar Theodore Schaller

  American Journal of Science April 1915, s4-39 (232) 404-406; DOI: https://doi.org/10.2475/ajs.s4-39.232.404
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  The system anorthite-forsterite-silica

  Olaf Andersen

  American Journal of Science April 1915, s4-39 (232) 407-454; DOI: https://doi.org/10.2475/ajs.s4-39.232.407
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  Studies on the etched figures of Japanese quartz

  S. Ischikawa

  American Journal of Science April 1915, s4-39 (232) 455-473; DOI: https://doi.org/10.2475/ajs.s4-39.232.455
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  Datolite from North Plainfield, Somerset County, New Jersey

  Alfred C. Hawkins

  American Journal of Science April 1915, s4-39 (232) 473-474; DOI: https://doi.org/10.2475/ajs.s4-39.232.473