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ACKNOWLEDGMENTS.
427
  • Hatcher, J. B.—Continued.
    • The Ceratops Beds of Converse County, Wyoming.10 pp.—Am. Jour. Sci.Feb. 1893.
  • Hay, O. P., Ph.D.
    • The Northern Limits of the Mesozoic Rocks in Arkansas.30 pp.—Annual Report Geol. Surv. Ark.1888.
  • Hobbs, Wm. H.
    • Secondary Banding in Gneiss.6 pp. 1 pl., Ill.—Bull. Geol. Soc. Am., 1891.
    • Notes on a Trip to the Lipari Islands.12 pp. 1 pl., Ill.—Wis. Acad. Sci., 1892.
    • On Intergrowths of Hornblende with Augite in Crystalline Rocks.1 p.—Science, Dec. 23, 1892.
    • Phases in the Metamorphism of the Schists of Southern Berkshire.12 pp. 1 pl., Ill.—Bull. Geol. Soc. Am., Feb. 1893.
  • Holmes, W. H.
    • Geology of the Elk Mountains, Col.(1874.)
    • Geology of Southwestern Colorado.(1875.)
    • Geology of the Yellowstone Park.(1880.)
  • Holst, N. O.
    • Matricit och Marmairolit, tvaenne nya Mineralier fran Vermland.5 pp.—Aftryck ur Geologiska Föreningens i Stockholm Förhandlingar, 1875.
    • Om de glaciala rullstensasärne.16 pp.—Ibid., 1876.
    • Klotdiorit fran Slättmossa, Järeda socken, Kalmar län.10 pp. 1 pl.—Ibid, Bd. VII.
    • Om Ett Fynd af Uroxe i Rakneby, Ryssby Sockenk Kalmar län.21 pp 2 pl.—Ibid., Bd. X, 1888.
    • Hvem fanu den norrlandska andesiten?6 pp.Ibid.—Bd. X, 1888.
    • Om en Mäktig qvarsit, yagre än olenus-skiffer.3 pp.—Ibid. Bd. XI, 1889.
    • Om en nyupptäckt fauna i block af kambrisk sandsten, insamlade af dr N. O. Holst af Joh. Chr. Moberg.18 pp. 1 pl.—Ibid., Bd. XIV, 1892.
    • Bidrag till Kännedomen om Lagerföldjen inom den Kambriska Sandstenen.17 pp.
    • Ryoliten vid Sjoen Mien.52 pp. 1 pl., Ill.
    • Berättelse om en ar 1880, i Geologiskt Syfte Foretagen Resa Till Groenland.74 pp. 1 map, 1880.
  • Hovey, Edmund Otis.
    • Observations on some of the Trap Ridges of the East-Haven—Branford, (Ct.) Region.23 pp. 1 pl.—Am. Jour. Sci., Nov. 1889.
  • Hyatt, Alpheus.
    • Remarks on the Pinnidae.12 pp.
    • Jura and Trias at Taylorville, California.18 pp.—Bull. Geol. Soc. Am., Vol. III, 1892.
  • Iddings, J. P.
    • Obsidian Cliff Yellowstone National Park.48 pp. 9 pl., 1888.7th Annual Rept. U. S. G. S.
    • On the Crystallization of Igneous Rocks.50 pp.—Phil. Soc. Washington, Vol. XI, 1889.
    • On a Group of Volcanic Rocks from the Tewan Mountains, New Mexico, and on the Occurrence of Primary Quartz in certain Basalts.32 pp.—Bull. U. S. G. S., No. 66.
    • Spherulitic Crystallization.18 pp. 2 pl.—Bull. Phil. Soc. Washington, Vol. XI, 1891.
    • The Origin of Igneous Rocks.124 pp. 1 pl.—Bull. Phil. Soc. Washington, Vol. XII, May, 1892.
  • James, Jos. F.
    • Manual of the Paleontology of the Cincinnati Group.16 pp., Ill.—Cincinnati Soc. Nat. Hist., Oct. 1892, Jan. 1893.
  • Jimbo, K.
    • General Geological Sketch of Hokkaido, with special reference to the Petrography.