Table of Contents

December 1873; Volume s3-6,Issue 36

Miscellaneous

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On diffraction spectrum photography
Henry Draper

American Journal of Science December 1873, s3-6 (36) 401-408; DOI: https://doi.org/10.2475/ajs.s3-6.36.401

Economic geology of energy sources

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Notes on the West Virginia asphaltum deposit
William Morris Fontaine

American Journal of Science December 1873, s3-6 (36) 409-416; DOI: https://doi.org/10.2475/ajs.s3-6.36.409

General geophysics

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On the magnetic permeability and the maximum of magnetism of iron, steel and nickel
H. A. Rowland

American Journal of Science December 1873, s3-6 (36) 416-425; DOI: https://doi.org/10.2475/ajs.s3-6.36.416

Areal geology

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On the geology of western Wyoming
Theodore Bryant Comstock

American Journal of Science December 1873, s3-6 (36) 426-432; DOI: https://doi.org/10.2475/ajs.s3-6.36.426

Vertebrate paleontology

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The number of classes of vertebrates and their mutual relations
Theodore Gill

American Journal of Science December 1873, s3-6 (36) 432-434; DOI: https://doi.org/10.2475/ajs.s3-6.36.432

Oceanography

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Brief contributions to zooelogy, from the museum of Yale College; No. XXV, Results of recent dredging expeditions on the coast of New England, No. 3
A. E. Verrill

American Journal of Science December 1873, s3-6 (36) 435-440; DOI: https://doi.org/10.2475/ajs.s3-6.36.435

Paleobotany

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Age of the Rocky Mountain coal or lignitic formation
Leo Lesquereux

American Journal of Science December 1873, s3-6 (36) 441-450; DOI: https://doi.org/10.2475/ajs.s3-6.36.441