Van Hise, C. R. Correlation papers; Archean and Algonkian. 1892. (no. 86) 2130 -Pre-Cambrian geology of North America, by C. R. Van Hise and C. K. Leith. 1909. (no. 360) 2131

Vaughan, T. W. A brief contribution to the geology and paleontology of northwestern Louisiana. 1896. (no. 142) 2132 -Reconnaissance in the Rio Grande coal fields of Texas, by T. W. Vaughan, including a report on igneous rocks from the San Carlos coal field, by E. C. E. Lord. 1900. (no. 164) 2132a Walcott, C. D. The Cambrian rocks of Pennsylvania. 1896. (no. 134) 2133

-Correlation papers; Cambri

an. 1891. (no. 81)

2134

-The Laramie and the overlying Livingston formation in Montana, by W. H. Weed, with report on flora, by F. H. Knowlton. 1893. (no. 105) 2145

Weeks, F. B. Bibliography and index of North American geology, paleontology, petrology and mineralogy, for 1892 and 1893 [18941899, 1901-1904] (no. 130, 135, 146, 149, 156, 162, 172, 203, 221, 240, 271) 2146 -Bibliography and index of North American geology, paleontology, petrology, and mineralogy for the years 1901-1905, inclusive. 1906. (no. 301) 2147

-Bibliography of North American geology for 1906 and 1907, with subject index, by F. B. Weeks and J. M. Nickles. 1909. (no. 372) 2148

-Bibliography of North American geology, paleontology, petrology, and mineralogy, for the years 1892-1900, inclusive. 1902. (no. 188) 2149

-Index to North American geology 1902. (no. 189) 2149a -North American geologic formation names: bibliography, synonymy and distribution. 1902. (no. 191) 2150

Weller, Stuart. A bibliographic index of North American Carboniferous invertebrates. 1898. (no. 153) 2151

White, C. A. The Bear River formation and its characteristic fauna. 1895. (no. 128)

2152 -Correlation papers; Cretaceous. 1891. (no. 82) 2153 -On invertebrate fossils from the Pacific coast. 1889. (no. 51) 2154 -On Mesozoic fossils. 1884 2155 -On the fresh-water invertebrates of the North American Jurassic. 1886, (no. 29) 2156

(no. 4)

Williams, G. H. The gabbros and associated horn-blende rocks occurring in the neighborhood of Baltimore, Md. 1886. (no. 28) 2163

-The greenstone schist areas of the Menominee and Marquette regions of Michigan; a contribution to the subject of dynamic metamorphism in eruptive rocks, by G. H. Williams, with an introduction by R. D. Irving. 1890. (no. 62) 2164

Williams, H. S. Contributions to Devonian paleontology, 1903; by H. S. Williams and E. M. Kindle. 1905. (no. 244) 2165 -Contributions to the geology of Maine, by H. S. Williams and H. E. Gregory. 1900. (no. 165) 2166 -The correlation of geological faunas, a contribution to Devonian paleontology. 1903. (no. 210) 2167

-Correlation papers; Devonian and Carboniferous. 1891. (no. 80) 2168

-On the fossil faunas of the Upper Devonian, along the meridian of 76° 30', from Tompkins County, N. Y., to Bradford County, Pa. 1884. (no. 3) 2169

-On the fossil faunas of the Upper Devonian; the Genesee section, New York. 1887. (no. 41) 2170 Willis, Bailey. Changes in river courses in Washington Territory due to glaciation. 1887. (no. 40) 2171

Wilson, H. M. The fire tax and waste of structural materials in the United States, by H. M. Wilson and J. L Cochrane. 1910. (no. 418) 2172

-Results of spirit-leveling, fiscal year 1900-'01, by H. M. Wilson, J. H. Renshawe, E. M. Douglas, and R. U. Goode. 1901. (no. 185) 2173 Winslow, Arthur. The disseminated lead ores of southeastern Missouri. 1896. (no. 132) 2174 Woodward, R. S. Formulas and tables to facilitate the construction and use of maps. 1889. (no. 50) 2175

-Latitudes and longitudes of certain points in Missouri, Kansas, and New Mexico. 1889. (no. 49) 2176

-On the form and position of the sea level, with special reference to its dependence on superficial magses symmetrically disposed about a normal to the earth's surface. 1888. (no. 48) 2177

-Report on astronomical work of 1889 and 1890. 1890. (no. 70) 2178

Woolsey, D. H. Economic geology of the Beaver quadrangle, Pennsylvania (southern Beaver and northwestern Allegheny counties). 1906. (no. 286) 2179

Wright, C. L. Briquetting tests at the United States fuel-testing plant, Norfolk, Virginia, 1907-8. 1909. (no. 385) 2180

-The Porcupine placer district, Alaska. 1904. (no. 236) 2181 Wright, F. E. The Ketchikan and Wrangell mining districts, Alaska, by F. E. Wright and C. W. Wright. 1908. (no. 347) 2182

Wright, G. F. The glacial boundary in western Pennsylvania, Ohio, Kentucky, Indiana, and Illinois, by G. F. Wright, with an introduction by T. C. Chamberlin. 1890. (no. 58) 2183 -Monographs V. 1-date Washington, 1890-date. QL75 M. 2184

Contents.

Bayley, W. S. The Menominee iron-bearing district of Michigan, by W. S. Bayley, C. R. Van Hise, geologist in charge. 1894. (v. 46) 2185

Becker, G. F. Geology of the Comstock lode and the Washoe district, with atlas. 1882. (v. 3) 2186 -Geology of the quicksilver deposits of the Pacific slope, with an atlas. 1888. (v. 13) 2187

Clements, J. M. The Crystal Falls iron-bearing district of Michigan, by J. M. Clements and H. L. Smyth, with a chapter on the Sturgeon River tongue, by W. S. Bayley. 1899. (v. 36) 2188

-The Vermillion iron-bearing district of Minnesota, with an atlas: by J. M. Clements and C. R. Van Hise, geologist in charge. 1903. (v. 45) 2189

Curtis, J. S. Silver-lead deposits of Eureka, Nevada. 1884. (v. 7) 2190

Dutton, C. E. Tertiary history of the Grand Cañon district, with atlas. 1882. (v. 2) 2191

Emerson, B. K. Geology of old Hampshire County, Massachusetts, comprising Franklin, Hampshire, and Hampden counties. 1898. (v. 29) 2192 Emmons, S. F. Geology and mining industry of Leadville, Colorado, with atlas. 1886. (v. 12) 2193 -Geology of the Denver basin in Colorado, by S. F. Emmons and G. H. Eldridge. 1896. (v. 27) 2194 Fontaine, W. M. Contributions to the knowledge of the older Mesozoic flora of Virginia. 1883. (v. 6) 2195

-The Potomac or younger Mesozoic flora. 1889. (v. 15) 2196 Gannett, Henry. A manual of topographic methods. 1893. (v. 22) 2197

Gilbert, G. K. Lake Bonneville. 1890. (v. 1)

2198

Hague, Arnold. Geology of the Eureka district, Nevada, with an atlas. 1892. (v. 20) 2199

-Geology of the Yellowstone National park. Part II. Descriptive geology, petrography and paleontology, by Arnold Hague, J. P. Iddings, W. H. Weed and C. D. Walcott, G. H. Girty, T. W. Stanton, and F. H. Knowlton, 1899. (v. 32, pt. 2) 2200

Hatcher, J. B. The Ceratopsia, by J. B. Hatcher, based on preliminary studies by O. C. Marsh, ed. and completed by R. S. Lull. 1907. (v. 49)

2201

Hollick, C. A. The Cretaceous flora of southern New York and 2202 New England. 1906. (v. 50)

Hyatt, Alpheus. Pseudoceratites of the Cretaceous, by Alpheus Hyatt; ed. by T. W. Stanton. 1903. (v. 44) 2203

Irving, R. D. The copper-bearing rocks of Lake Superior. 1883. (v. 5) 2204

-The Penokee iron-bearing series of Michigan and Wisconsin, by R. D. Irving and C. R. Van Hise. 2205 (v. 19) Leith, C. K. The Mesabi ironbearing district of Minnesota. 1903. (v. 43)

2206

Lesquereux, Leo. The flora of the Dakota group, a posthumous work, by Leo Lesquereux. Ed. by F. H. Knowlton. 1891. (v. 17) 2207

Leverett, Frank. Glacial formations and drainage features of the Erie and Ohio basins. 1902. (v. 41) 2208 -The Illinois glacial lobe. 1899. (v. 38) 2209

Lord, Eliot. Comstock mining and miners. 1883. (v. 4) 2210

Marsh, O. C. Dinocerata. A monograph of an extinct order of gigantic mammals. 1886. (v. 10) 2211

Newberry, J. S. The flora of the Amboy clays; a posthumous work ed. by Arthur Hollick. 1895. (v. 26) 2212

-Fossil fishes and fossil plants of the Triassic rocks of New Jersey and the Connecticut Valley. 1888. (v. 14) 2213 -The later extinct floras of North America, a posthumous work, ed. by Arthur Hollick, 1898. (v. 35) 2214

-The Paleozoic fishes of North America. 1889. (v. 16)

2215 Pumpelly, Raphael, Geology of the Green Mountains in Massachusetts, by Raphael Pumpelly, J. E. Wolff, and T. N. Dale. 1894. (v. 23) 2216

Russell, I. C. Geological history of Lake Lahontan, a Quaternary lake of northwestern Nevada. 1885. (v. 11) 2217

Scudder, S. H. Adephagous and clavicorn Coleoptera from the Tertiary deposits at Florissant, Colorado, with descriptions of a few other forms and a systematic list of the non-rhynchophorous Tertiary Coleoptera of North America. 1900. (v. 40) 2218 -Tertiary rhynchophorous Coleoptera of the United States. 1893. 2219 (v. 21)

Shaler, N. S. Geology of the Narragansett basin, by N. S. Shaler, J. B. Woodworth, and A. M. Foerste. 2220 1899. (v. 33)

Smith, J. P. The Carboniferous ammonoids of America. 1903. (v. 2221

42)

Spurr, J. E. Geology of the Aspen mining district, Colorado, with at2222 las. 1898. (v. 31)

Stone, G. H. The glacial gravels of Maine and their associated de2223 posits. 1899. (v. 34) The glacial Upham, Warren. 2224 Lake Agassiz. 1895. (v. 25)

Vaughan, T. W. The Eocene and lower Oligocene coral faunas of the United States, with descriptions of a few doubtfully Cretaceous species. 1900. (v. 39) 2225

Van Hise, C. R. The Marquette iron-bearing district of Michigan, with atlas, by C. R. Van Hise and W. S. Bayley, including a chapter

2227

-A treatise on metamorphism.

1904. (v. 47) Walcott, C. D. Fossil medusae. 1898. (v. 30) 2228 -Paleontology of the Eureka district. 1884. (v. 8) 2229 Ward, L. F. Status of the Mesozoic floras of the United States. Second paper, by L. F. Ward, with the collaboration of W. M. Fontaine, Arthur Bibbins, and G. R. Wieland. 1905. (v. 48) 2230

"The first paper appeared in Twentieth ann. rep. U. S. Geol. survey, pt. II, 1900, p. 211-748.".

White, David. Fossil flora of the lower coal measures of Missouri. 1899. (v. 37)

2231

Adams, G. I. Zinc and lead deposits of Northern Arkansas, by G. I. Adams, assisted by A. H. Purdue and E. F. Burchard, with a section on the determination and correlation of formations, by E. O. Ulrich. 2236 1894. (no. 24)

Alden, W. C. The Delavan lobe of the Lake Michigan glacier of the Wisconsin stage of glaciation and associated phenomena. 1904. (no. 34) 2237

Arnold, Ralph. The Tertiary and Quaternary Pectens of California. 1906. (no. 47) 2238

Ashley, G. H. Geology and mineral resources of part of the Cumberland Gap coal field, Kentucky, by G. H. Ashley and L. C. Glenn, in co-operation with the state geological department of Kentucky. 1906. (no. 49) 2239

Atwood, W. W. Glaciation of the

Boutwell, J. M. Economic geology of the Bingham mining district, Utah.. with a section on areal geology by Arthur Keith, and an introduction on general geology by S. F. Emmons. 1905. (no. 38) 2243

Brooks, A. H. The geography and geology of Alaska; a summary of existing knowledge, by A. H. Brooks; with a section on climate, by Cleveland Abbe, jr., and a topographic map and description thereof, by R. U. Goode, 1906. (no. 45) 2244

-Preliminary report on the Ketchikan mining district, Alaska, with an introductory sketch of the geology of southeastern Alaska. 1902. (no. 1) 2245

Calhoun, F. H. H. The Montana lobe of the Keewatin ice sheet. 1906. (no. 50) 2246

Collier, A. J. A reconnaisance of the northwestern portion of Seward Peninsula, Alaska. 1902. (no. 2) 2247

Dall, W. H. Contributions to the Tertiary paleontology of the Pacific coast. I. The Miocene of Astoria and Coos Bay, Oregon, 1909. 2248 (no. 59)

Darton, N. H. Geology and underground waters of the Arkansas Valley in eastern Colorado. (no. 52)

1906.

2249

-Geology and water resources of the northern portion of the Black in Hills and adjoining regions, South Dakota and Wyoming. 1909. 2250 (no. 65) of the Bighorn 2251 Mountains. 1906, (no. 51) -Preliminary report on the geology and underground water resources of the central Great Plains. 2252 1905. (no. 32)

-Geology

-Preliminary report on the geology and water resources of Nebraska west of the one hundred and third meridian. 1903. (no. 17)

2253

Diller, J. S. The geology and petrography of Crater Lake national park, by J. S. Diller and H. B.

Basin, 2256 Forest conditions in the Cascade Range forest reserve, Oregon, by H. D. Langille, F. G. Plummer, Arthur Dodwell, T. F. Rixon and J. B. Leiberg; with an introduction by Henry Gannett, 1903. (no. 9) 2256a Gannett, Henry. The forests of Oregon. 1902. (no. 4) 2257

-The forests of Washington; a revision of estimates. 1902. (no. 5) 2258

(no. 58)

Girty, G. H. The Carboniferous formations and faunas of Colorado. 1903. (no. 16) 2259 The Guadalupian fauna. 1908. 2260 Howe, Ernest. Landslides in the San Juan Mountains, Colorado, including a consideration of their causes and their classification. 1909. (no. 67) 2261

Hyatt, Alpheus. The Triassic cephalopod genera of America, by Alpheus Hyatt and J. P. Smith. 1905. (no. 40) 2262

Iddings, J. P. Chemical composition of igneous rocks expressed by means of diagrams, with reference to rock classification on a quantitative chemico-mineralogical basis. 1903. (no. 18)

2263

Irving, J. D. Economic resources of the northern Black Hills. With contributions by S. F. Emmons and T. A. Jaggar, jr. 1904. (no. 26) 2264

Leiberg, J. B. Forest conditions in the Absaroka division of the Yellowstone forest reserve, Montana, and the Livingston and Big Timber quadrangles. 1904. (no. 29) 2265

-Forest conditions in the Little Belt Mountains forest reserve, Montana, and the Little Belt Mountains quadrangle. 1904. (no. 30) 2266

-Forest conditions in the northern Sierra Nevada, California. 2267 1902. (no. 8) -Forest conditions in the San Francisco Mountains forest reserve, Arizona, by J. B. Leiberg, T. F. Rixon, and Arthur Dodwell, with an introduction by F. G. Plummer. 2268 1904. (no. 22)

-Reconnaissance from Fort Hamlin to Kotzebue Sound, Alaska, by way of Dall, Kanuti, Allen, and Kowak rivers. 1902. (no. 10) 2274

Parker, E. W. Report on the operations of the coal-testing plant of the United States Geological survey at the Louisiana purchase exposition, St. Louis, Mo., 1904. E. W. Parker, J. A. Holmes, M. R. Campbell, committee in charge. 1906. (no. 48) 2275

Plummer, F. G. Forest conditions in the Black Mesa forest reserve, Arizona, prepared by F. G. Plummer from notes by T. F. Rixon and Arthur Dodwell. 1904. (no. 23) 2276

-Forest conditions in the Cascade Range, Washington, between the Washington and Mount Ranier forest reserves. 1902. (no. 6) 2277 -Forest conditions in the Lincoln forest reserve, New Mexico, by F. G. Plummer and M. G. Gowsell. 1904. (no. 33) 2278

Ransome, F. L. The geology and ore deposits of Goldfield, Nevada, by F. L. Ransome, assisted in the field by W. H. Emmons and G. H. Garrey. 1909. (no. 66) 2279

-The geology and ore deposits of the Bisbee quadrangle, Arizona. 1904. (no. 21) 2280

-The geology and ore deposits of the Coeur d'Alene district, Idaho, by F. L. Ransome and F. C. Calkins. 1908. (no. 62) 2281 -Geology of the Globe copper district. 1903. (no. 12) 2282

Ries, Heinrich. The clays of the United States east of the Mississippi River. 1903. (no. 11)

2283

Rixon, T. F. Forest conditions in the Gila River forest reserve, New 2284 Mexico. 1905. (no. 39)