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ACKNOWLEDGMENTS.
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  • Walcott, Charles D.—Continued.
    • The Taconic System.1 p.—Am. Jour. Sci., Vol. XXXIII, Feb., 1887.
    • Preliminary Notes on the Discovery of a Vertebrate Fauna in Silurian (Ordovician) Strata.18 pp., pl.—Bull. Geol. Soc. Am., March, 1892.
    • The Trilobite: New and Old Evidence Relating to its Organization.33 pp., 6 pl.—Bull. Mus. of Comp. Zoölogy.
    • Appendages of the Trilobite.3 pp., Ill.—Science, March, 1884.
    • Notes on Some Sections of Trilobites from the Trenton Limestones, and Descriptions of New Species of Fossils.17 pp., 1 pl.—N. Y. State Mus. Nat. Hist., March, 1879.
    • The Utica Slate and Related Formations. Fossils of the Utica Slate and Metamorphoses of Triarthrus Beckii.38 pp., 2 pl.—Albany Institute, June, 1879.
    • The Permian and other Paleozoic Groups of the Kanab Valley, Arizona.4 pp.
    • Descriptive Notes of New Genera and Species from the Lower Cambrian or Olenellus Zone of North America.13 pp.—Proc. U. S. Nat. Mus., Vol. XII, 1889.
    • Description of New Forms of Upper Cambrian Fossils.12 pp., 2 pl.—Proc. of the U. S. Nat. Mus., Vol. XIII, 1890.
    • Notes on the Cambrian Rocks of Virginia and the Southern Appalachians.5 pp.—Am. Jour. Sci., July, 1892.
    • Study of a Line of Displacement in the Grand Cañon of the Colorado, in Northern Arizona.15 pp., Ill.—Bull. Geol. Soc. Am., Vol. I, 1889.
    • The Value of the "Hudson River Group" in Geologic Nomenclature.20 pp.—Bull. Geol. Soc. Am., Vol. I, 1890.
    • Descriptions of a New Genus and Species of Inarticulate Brachiopod from the Trenton Limestone.2 pp., Ill.—Nat. Mus. Cat., No. 18443.
    • A Review of Dr. R. W. Ells's Second Report on the Geology of a Portion of the Province of Quebec; with Additional Notes on the "Quebec Group."14 pp.—Am. Jour. Sci., Vol. XXXIX, Feb., 1890.
    • Descriptions of New Species of Fossils from the Calciferous Formation.4 pp.—N. Y. State Mus. Nat. Hist., 1879.
    • Preliminary Notice of the Discovery of the Remains of the Natatory and Branchial Appendages of Trilobites.8 pp.
  • Ward, Lester F.
    • The Plant-Bearing Deposits of the American Trias.8 pp.—Bull. Geol. Soc. Am., Vol. III, 1891.
    • Principles and Methods of Geologic Correlation by Means of Fossil Plants.13 pp.—Am. Geol., Vol. IV, No. 1, Jan., 1892.
    • Geology and Natural History.3 pp.—Am. Jour. Sci., April, 1882.
    • Determination of Fossil Dicotyledonous Leaves.6 pp.—Am. Jour. Sci., May, 1886.
    • Evidence of the Fossil Plants as to the Age of the Potomac Formation.12 pp.—Am. Jour. Sci., Aug., 1888.
    • Origin of the Plane-Trees,13 pp., Ill.—Am. Nat., Sept., 1890.
    • Paleontologic History of the Genus Platanus.4 pp., 6 pl.—Proc. of U. S. Nat. Museum, Vol. XI, 1888.
    • The Course of Biologic Evolution.33 pp.1890.
    • Bulletin of the U. S. Geol. Survey, No. 37. Types of the Laramie Flora.115 pp., 57 pl.
    • The Geographical Distribution of Fossil Plants.195 pp.—Eighth Annual Report U. S. G. S., 1889.
    • Synopsis of the Flora of the Laramie Group.152 pp., 33 pl.
    • Sketch of Paleobotany.106 pp., 2 pl.1885.
  • Weeks, Jos. D.
    • Production of Coke.25 pp.—Census Bulletin, July 19, 1892.
  • Weinschenk, E.
    • Beiträge zur Mineralsynthese.18 pp.—Zeitschrift für Krystallographie, Vol. XVII, 1890.
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