fire clays of Europe and the clayworking industry of the United States in 1897. (In 19th, 1898, pt. 6) 2462 -The pottery industry of the United States. (In 17th, 1896, pt. 3) 2463

Rohn, Oscar. A reconnaissance of the Chitina River and the Skolaj Mountains, Alaska. (In 21st, 1900, pt. 2, p. 393-440) 2464 Russell, I. C. Existing glaciers of the United States. (In 5th, 1884) 2465 -A geological reconnaissance in southern Oregon. (In 4th, 1883) 2466

-Glaciers of Mount Rainier, by I. C. Russell; with a paper on the rocks of Mount Rainier, by G. O. Smith. (In 18th, 1897, pt. 2) 2467

-The Portland cement industry in Michigan. (In 22d, 1901, pt. 3) 2468

A preliminary paper on the geology of the Cascade Mountains in northern Washington. (In 20th, 1899, pt. 2) 2469

history

-Quaternary of Mono Valley, California. (In 8th, 1887, pt. 1) 2470 -Second expedition to Mount Saint Elias, in 1891. (In 13th, 1892, pt. 2, p. 1-91) 2471 -Sketch of the geological history of Lake Lahontan, Quaternary lake of northwestern Nevada. (In 1882)

2472

Schrader, F. C. Preliminary report on a reconnaissance along the Chandlar and Koyukuk rivers, Alaska, in 1899. (In 21st, 18991900, pt. 2) 2473

-A reconnaissance of a part of Prince William Sound and the Copper River district, Alaska, in 1898. (In 20th, 1899, pt. 7) 2474

Schuyler, J. D. Reservoirs for irrigation. (In 18th, 1896-97, pt. 4) 2475

Scudder, S. H. The American Tertiary Aphidae. (In 13th, 1892) 2476 -The fossil butterflies of Florissant. (In 8th, 1887)

2477

Shaler, N. S. General account of the fresh-water morasses of the United States, with a description of the Dismal Swamp district of Virginia and North Carolina. (In 10th, 1889, pt. 1) 2478

-The geological history of harbors. (In 13th, 1892, pt. 2, p. 93-209) 2479

-The geology of Cape Ann, Massachusetts. (In 9th, 1888) 2480 -Geology of the Cape Cod district. (In 18th, 1897, pt. 2) 2481 -The geology of the island of Mount Desert, Maine. (In 8th, 1887, pt. 2) 2482 -Geology of the Richmond Basin, Virginia, by N. S. Shaler and J. B. Woodworth. (In 19th, 1898, pt. 2) 2483

-The geology of the roadbuilding stones of Massachusetts, with some consideration of similar materials from other parts of the United States. (In 16th, 1895, pt. 2484

2)

-The glacial brick clays of Rhode Island and southeastern Massachusetts, by N. S. Shaler, J. B. Woodworth, and C. F. Marbut. (In 17th, 1896, pt. 1) 2485

-The origin and nature of soils. (In 12th, 1891, pt. 1, p. 213345) 2486 -Peat deposits. (In 16th, 1895, pt. 4) 2487 -Preliminary report on seacoast swamps of the eastern United States. (In 6th, 1885, p. 353-398) 2488

———Preliminary report on the geology of the common roads of the United States. (In 15th, 1894) 2489

-Report on the geology of Martha's Vineyard. (In 7th, 1886) 2490

Slichter, C. S. Theoretical investigation of the motion of ground waters. (In 19th, 1898, pt. 2, p. 295-384) 2491

Smith, G. O. The Pacific coast coal fields. (In 22d, 1901, pt. 3) 2492

Smith, W. S. T. A geological sketch of San Clemente Island. (In 18th, 1897, pt. 2) 2493

Spurr, J. E. Economic geology of the Mercur mining district, Utah, by J. E. Spurr, with an introduction on the Oquirrh Mountains, by S. F. Emmons. (In 16th, 1895, pt. 2) 2494

Geology of the Yukon district, Alaska. With an introductory chapter on the history and condition of the district to 1897, by H. B. Goodrich. (In 18th, 1897, pt. 3) 2495

-The ore deposits of Monte Cristo, Washington. (In 22d, 1901, pt.2) 2496 -A reconnaissance in south

western Alaska, in 1898. (In 20th, 1899, pt. 7) 2497 Stanton, T. W. The faunal relations of the Eocene and upper Cretaceous on the Pacific coast. (In 17th, 1896, pt. 1) 2498

Stoek, H. H. The Pennsylvania anthracite coal field. (In 22d, 1901, pt. 3) 2499 Storrs, L. S. The Rocky Mountain coal fields. (In 22d, 1901, pt. 3) 2500 Sudworth, G. B. The Stanislaus and Lake Tahoe forest reserves and adjacent territory. (In 21st, 1900, pt. 5) 2501 The White River Plateau and Battlement Mesa forest reserve. (In 20th, 1899, pt. 5) 2502

Taff, J. A. Chalk of southwestern Arkansas, with notes on its adaptability to the manufacture of hydraulic cements. (In 22d, 1901, pt. 3) 2503

-Geology of the eastern Choctaw coal field, Indian Territory, by J. A. Taff and G. I. Adams. (In 21st, 1900, pt. 2) 2504

-Geology of the McAlesterLehigh coal field, Indian Territory. Accompanied by a report on the fossil plants, by David White, and a report on the Paleozoic invertebrate fossils, by G. H. Girty. (In 19th, 1898, pt. 3) 2505

-Preliminary report on the Camden Coal field of southwestern Arkansas. (In 21st, 1900, pt. 2) 2506

-The southwestern coal field. (In 22d, 1901, pt. 3)

the hydro

2507 Thompson, A. H. Report upon the construction of topographic maps, and the selection and survey of reservoir sites in graphic basin of the Arkansas River, Colorado. [Report upon the location and survey of reservoir sites during the fiscal year ending June 30, 1892.] (In 13th, 1892, pt. 3) 2508

-Report upon the location and survey of reservoir sites during the fiscal year ended June 30, 1891. (In 12th, 1891, pt. 2) 2509

Tower, G. W., jr. Geology and mining industry of the Tintic district, Utah, by G. W. Tower and G. O. Smith. (In 19th, 1898, pt. 3) 2510

Town, F. E. The Bighorn forest reserve. (In 19th, 1898, pt. 5) 2511 Triangulation, primary traverse and spirit leveling. 1896-97, 1899

1900. (In 18th-21st, pt. 1, 18971900)

2512

Turner, H. W. The Esmeralda formation, a fresh-water lake deposit in Nevada. With a description of the fossil plants, by F. H. Knowlton, and of a fossil fish, by F. A. Lucas. (In 21st, 1900, pt. 2) 2513 -Further contributions to the geology of the Sierra Nevada. (In 17th, 1896, pt. 1) 2514 -The rocks of the Sierra Nevada. (In 14th, 1893, pt. 2) 2515 Van Hise, C. R. The iron-ore deposits of the Lake Superior region. (In 21st, 1900, pt. 3) 2516 -Preliminary report on the Marquette iron-bearing district of Michigan, by C. R. Van Hise and W. S. Bayley, with a chapter on the Republic trough, by H. L. Smith. (In 15th, 1894) 2517 -Principles of North American Pre-Cambrian geology, by C. R. Van Hise, with an appendix on flow and fracture of rocks as related to structure, by L. M. Hoskins. (In 16th, 1895, pt. 1) 2518

Walcott, C. D. The fauna of the Lower Cambrian or Olenellus zone. (In 10th, 1889, pt. 1) 2519 -The North American continent during Cambrian time (In 12th, 1891, pt. 1)

2520 -Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, Arizona. With notes on the petrographic character of the lavas, by J. P. Iddings. (In 14th, 1893) 2521

Ward, D. F. The Cretaceous formation of the Black Hills as indicated by the fossil plants. By L. F. Ward, with the collaboration of W. P. Jenney, Wm. M. Fontaine, and F. H. Knowlton. (In 19th, 1898, pt. 2) 2522 geographical distribution of fossil plants. (In 8th, 1887, pt. 2) 2523 -The Potomac formation. (In 15th, 1894) 2524 -Sketch of paleobotany. (In

-The

5th, 1884)

2525

-Geology and mineral resources of the Judith Mountains of Montana, by W. H. Weed and L. V. Pirsson. (In 18th, 1897, pt. 3) 2529

-Geology and ore deposits of the Elkhorn mining district, Jefferson County, Montana, by W. H. Weed, with an appendix on the microscopical petrography of the district, by Joseph Barrell. (In 22d, 1901, pt. 2) 2530

-Geology of the Little Belt Mountains, Montana, with notes on the mineral deposits of the Neihart, Barker, Yogo, and other districts, by W. H. Weed, accompanied by a report on the petrography of the igneous rocks of the district, by L. V. Pirsson. (In 20th, 1899, pt. 3) 2531 -Mineral vein formation at Boulder Hot Springs, Montana. (In 21st, 1900, pt. 2) 2532

Weeks, F. B. An occurrence of tungsten ore in eastern Nevada. (In 21st, 1900, pt. 6 (section 1) p. 319-320)

2533

Weeks, J. D. The Potomac and Roaring Creek coal fields, in West Virginia. (In 14th, 1893, pt. 2) 2534

White, C. A. On the geology and physiography of a portion of northwestern Colorado and adjacent parts of Utah and Wyoming (In 2535 9th, 1888)

A review of the fossil Ostreidae of North America and a comparison of the fossil with the living forms, by C. A. White, M. D.; with appendices by Prof. Angelo Heilprin and Mr. J. A. Ryder. (In 4th, 1883)

2536

White, David. The northern Appalachian coal field, embracing papers on the bituminous coal fields of Pennsylvania, Maryland, and Ohio, by David White, M. R. Campbell and R. M. Hazeltine. (In 22d, 1901, pt. 3) 2538

-The stratigraphic succession of the fossil floras of the Pottsville formation in the southern anthracite coal field, Pennsylvania. (In : 20th, 1899, pt. 2) 2539

Williams, Albert, jr. Popular fallacies regarding precious-metal ore deposits. (In 4th, 1884, p. 253-271)

2540 Williams, G. H. General relations of the granite rocks in the Middle Atlantic Piedmont Plateau. (In 15th, 1894, p. 657-684) 2541

Willis, Bailey. The mechanics of Appalachian structure. (In 13th, 1892, pt. 2) 2542

-Some coal fields of Puget Sound. (In 18th, 1897, pt. 3) 2543 Wilson, H. M. Engineering results of irrigation survey. (In 13th. 1892) 2544 -Irrigation in India. (In 12th, 2545 Wolff, J. E. The age of the Franklin white limestone of Sussex County, New Jersey, by J. E. Wolff and A. H. Brooks. (In 18th, 1897, pt. 2) 2546

1891, pt. 2)

Woodworth, J. B. The Atlantic coast Triassic coal field. (In 22d, 2547 1901, pt. 3)

ters of Connecticut, by H. W. Conn and L. W. Webster. 1908. (no. 10)

2572 Evans, A. W. The bryophytes of Connecticut, by A. W. Evans and G. E. Nichols. 1908. (no. 11) 2573 Graves, C. B. Catalogue of the flowering plants and ferns of Con necticut growing without cultiva tion, by C. B. Graves, E. H. Eames C. H. Bissell, Luman Andrews, E. B. Harger, . . and C. A. Weatherby. (no. 14) 2574 Gregory, H. E. Bibliography of the geology of Connecticut. 1907. (no. 8)

2575

-Preliminary geographical map of Connecticut, by H. E. Gre1907. gory and H. H. Robinson. 2576 (no. 7)

Rice, W. N. Manual of the geology of Connecticut, by W. N. Rice and H. E. Gregory. 1906. (no. 6)

2577 White, E. A. Second report on the Hymeniales of Connecticut. 2578 1910. (no. 15)

Delaware.

Booth, J. C. Memoir of the geological survey of the state of Delaware: including the application of to the observations geological agriculture. 1841. QE95 1837.

Florida.

report on the marbles of Georgia (2d ed., rev. and enl.) 1907. (no. 1) 2585 -A preliminary report on the mineral resources of Georgia. 1910. (no. 23) 2586 A preliminary report on the underground waters of Georgia. 1908. (no. 15) 2587 -Report on the fossil iron ores of Georgia. 1908. (no. 17) 2588

-A second report on the public roads of Georgia. 1910. (no. 24) 2589

Veatch, Otto. Second report on the clay deposits of Georgia. 1909. 2590 (no. 18) Watson, T. L. A preliminary report on the manganese deposits of Georgia. 1908. (no. 14) 2591 -A preliminary report on the ocher deposits of Georgia. (no. 13)

1906.

2592

logical survey of Illinois. 1866-90. 8 v. in 9. QE105 1858. 2593

Contents.

and

measures; Subcarboniferous limestone series; Devonian and Silurian systems; by A. H. Worthen.-Geology of the lead region, by J. D. Whitney.-Report on the coal fields of Illinois; On the origin and formation of the prairies; by Leo Lesquereux.-Chemical report for the Geological survey of Illinois, by J. V. Z. Blaney.-Geology of Randolph, St. Clair, Madison and Hancock counties, by A. H. Worthen.-Geology of Hardin County, by A. H. Worthen and Henry Engelmann.-Geology of Johnson, Pulaski, Massac and Pope counties, by Henry Engelmann.

2. (1866) Palaeontology: Descriptions of new species of vertebrates, mainly from the subcarboniferous limestones and coal measures, by J. S. Newberry and A. H. Worthen. -Remarks on the occurrence of fossil fishes in Illinois, by A. H. Worthen.-Supplement to descriptions of vertebrates, consisting of a description of a new genus and species of reptiles, from the coal