12 LIST OF PUBLICATIONS EXAMINED. [bull. 27 
Paleontographiea, Band 50, Lief. 4-6 and 51, Lief. 1-3, 1904; Supplenent, Band A 
Lief. 1, 1904. Stuttgart, Germany. 
Philadelphia Academy of Natural Sciences: Proceedings, vol. 55, pt. 3; vol. 56, pts 
1 and 2, 1904; Journal, 2d ser., vol. 12, pt, 4, 1904. Philadelphia, Pa. 
Plant World, vol. 7, 1904. Washington, D. C. 
Popular Science Monthly, vol. 64, nos. 3-6, vol. 65, and vol. 66, nos. 1 and 2, 1904 
New York, N. Y. 
Records of the Past, vol. 3, 1904. Washington, D. C. 
Rochester Academy of Science: Proceedings, vol. 4, pp. 137-148, 1904. Rochestei 
N. Y. 
St. Louis Academy of Science: Transactions, vol. 14, nos. 1-7, 1904. St. Louis, Mc 
School of Mines Quarterly, vol. 25, nos. 2-4, and vol. 26, no. 1, 1904. New York 
N. Y. 
Science, new series, vols. 19 and 20, 1904. New York, N. Y. 
Scientific American, vols. 90 and 91, 1904. New York, N. Y. 
Scientific American Supplement, vols. 57 and 58, 1904. New York, N. Y. 
Sioux City Academy of Science and Letters: Proceedings, vol. 1, 1904. Sioux Citj 
Iowa. 
Smithsonian Institution: Annual Report for 1903, 1904; Contributions to Knowledge 
vol. 34, nos. 1438, 1459; Miscellaneous Collections, vol. 44 (in part); vol. 4 
(quarterly issue, vol. 1, pts. 1-4); vol. 46 (in part); vol. 47 (quarterly issue 
vol. 2, pts. 1 and 2), 1904. Washington, D. C. 
Sociedad Cientifica "Antonio Alzate," Memorias y Revista, t. 19, nos. 8-10, an 
t. 20, nos. 5-12, 1903; t. 19, nos. 11-12, 1904. City of Mexico. 
Societa Geologicaltaliana: Bulletin, vol. 22, 1903; vol. 22, fasc. 1, 1904. Rome, Italj 
Societe Geologique de Belgique: Annals, t. 31, liv. 1-3, 1904. Liege, Belgium. 
Societe Geologique de France: Bulletin, 4th series, t. 3, nos. 5 and 6, t. 4, no. 1, 190< 
Paris, France. 
South Dakota School of Mines: Bulletin, no. 7, 1904. Rapid City, S. Dak. 
Southern California Academy of Sciences, vol. 3, 1904. Los Angeles, Cal. 
Staten Island Natural Science Association: Proceedings, vol. 9, nos. 3-10, 190< 
Staten Island, N. Y. 
Stone, vol. 27, nos. 3 and 4, 1904. New York, N. Y. 
Technology Quarterly, vol. 17, 1904. Boston, Mass. 
Texas University Mineral Survey: Bulletin, nos. 7-9, 1904. Austin, Tex. 
Torrey Botanical Club: Bulletin, vol. 31, 1904. Lancaster, Pa. 
United States Department of Agriculture. Field Operations of the Bureau of Soil; 
1903: 5th Report, 1904. Washington, D. C. 
United States Geological Survey: 25th Annual Report, 1904; Monographs, vol. 41 
1904; Professional Papers, nos. 20-31, 33, 1904; Bulletins, nos. 222-236,238, 24C 
242, 245, 254, 1904; Geologic Atlas of the United States, folios nos. 101-111 
1904; Water-Supply Papers, nos. 89-108, 1904; Mineral Resources for 190:,; 
and Mineral Resources for 1903, 1904. Washington, D. C. 
United States National Museum: Annual Report for 1902, 1904; Proceedings, vol. $ i 
and vol. 28 (in part), 1903. Washington, D. C. 
Vermont Geological Survey: Report of the State Geologist, IV, 1904. Burlingtoi 
Vt. 
Victoria Institute: Journal of Transactions, vol. 36, 1904. London, England. 
Washington Academy of Sciences: Proceedings, vol. 5, pp. 231-429; vol. 6, pp. 1-33! , 
1904. Washington, I). C. 
Washington Biological Society: Proceedings, vol. 17 (part), 1904. Washington, D. ( 
Washington Philosophical Society: Bulletin, vol. 14, pp. 247-276, 1904. Washing 
ton, D. C. 
