Table of Contents

April 1889; Volume s3-37,Issue 220

Environmental geology

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Contributions to meteorology
Elias Loomis

American Journal of Science April 1889, s3-37 (220) 243-256; DOI: https://doi.org/10.2475/ajs.s3-37.220.243

Miscellaneous

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The sensitive flame as a means of research
W. LeConte Stevens

American Journal of Science April 1889, s3-37 (220) 257-260; DOI: https://doi.org/10.2475/ajs.s3-37.220.257
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A general method for determining the secondary chromatic aberration for a double telescope objective, with a description of a telescope sensibly free from this defect
C. S. Hastings

American Journal of Science April 1889, s3-37 (220) 291-298; DOI: https://doi.org/10.2475/ajs.s3-37.220.291

Geologic maps

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The Denver Tertiary formation
Charles Whitman Cross

American Journal of Science April 1889, s3-37 (220) 261-282; DOI: https://doi.org/10.2475/ajs.s3-37.220.261

Stratigraphy

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The Denver Tertiary formation
Charles Whitman Cross

American Journal of Science April 1889, s3-37 (220) 261-282; DOI: https://doi.org/10.2475/ajs.s3-37.220.261
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Events in North American Cretaceous history illustrated in the Arkansas Texas division of the southwestern region of the United States
Robert Thomas Hill

American Journal of Science April 1889, s3-37 (220) 282-290; DOI: https://doi.org/10.2475/ajs.s3-37.220.282

General geochemistry

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The distribution of phosphorus in the Ludington Mine, Iron Mountain, Michigan
D. H. Browne

American Journal of Science April 1889, s3-37 (220) 299-309; DOI: https://doi.org/10.2475/ajs.s3-37.220.299

Vertebrate paleontology

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Palaeohatteria Credner, and the Proganosauria
G. Baur

American Journal of Science April 1889, s3-37 (220) 310-313; DOI: https://doi.org/10.2475/ajs.s3-37.220.310
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Appendix; Comparison of the principal forms of the Dinosauria of Europe and America
O. C. Marsh

American Journal of Science April 1889, s3-37 (220) 323-330; DOI: https://doi.org/10.2475/ajs.s3-37.220.323
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Notice of new American Dinosauria
Othniel Charles Marsh

American Journal of Science April 1889, s3-37 (220) 331-336; DOI: https://doi.org/10.2475/ajs.s3-37.220.331