408 The American Geologist. December, U97 
RECENT PUBLICATIONS. 
I. Government and Slate Reports. 
U. S. Geol. Survey, Bull. 149. 152 pp., 1897. iSibliography and index 
of North American geology, paleontology, petrology and mineralogy for 
the year 189G, F. B. Weeks. 
Iowa Geol. Survey, vol. 7, Ann. Rept. for 1896. 555 pp., 11 plates, 11 
maps, 1897. Geology of Johnson county, Samuel Calvin; Geology of 
Cerro Gordo county, Samuel Calvin: Geology of Marshall county, S. W. 
Beyer: Geology of Polk comity, H. F. Bain: Geology of Guthrie county, 
H. F. Bain; Geology of Madison county, J. L. Tilton and H. F. Bain. 
Geol. Survey of Georgia, Bull. 5-A, 101 pp.. 3 pis.,' 1896. A prelimi- 
nary report on part of the phosphates and marls of Georgia, S. W. 
McCallie. 
//. Proceedings of Scieiitifi,c Societies. 
Hist, and Sci. Soc. of Manitoba. Trans, no. 49, 17 pp., Feb. 23, 1897. 
The Lake of the Woods, its history, geology, mining and manufactur- 
ing, Geo. Bryce. 
Calif. Acad. Sci., Proc, ser. 3, Geol., vol. 1, no. 3, pp. 105-128, pis. 13- 
15, Oct. 16, 1897. The development of Glyphioceras and the phylogeny 
of the Glyphioceratidifi, J. P. Smith. 
Amer. Soc. Civil Eng., Proc, vol. 23, no. 8, Oct., 1897. Geology in 
its relation to topography, J. C. Branner. 
Acad. Nat. Sci., Phila., Proc, 1897, pt. 2, Patagonia Tertiary fossils, 
H. A. Pilsbry; Scalpellum and Balanus from Texas, H. A. Pilsbry. 
III. Papers in Scientific Journals. 
Science, Oct. 15: The easternmost volcanoes of the United States, R. 
T. Hill. 
Ibid., Oct. 22: Is the Denver formation lacustrine or fluviatile, W. 
M. Davis. 
Ibid. Oct. 29: Special explorations of the implement-bearingdeposits 
on the Lalor farm, Trenton, N. J .. G. F. Wright: A new method of syn- 
chronizing strata, C. R. Keyes; Current notes on physiography, W. M. 
Davis; Lewis on the diamond, G. F. Becker; Note on the easternmost 
volcanoes of the United States, Jviles Marcou; Glacial strise, A. G. Rau. 
Ibid., Nov. 5: The Geological Congress at St. Petersburg, J. J. 
Stevenson: A new investigation of man's antiquity at Trenton, H. C. 
Mercer and Arthur Hollick; Geology and geography at the A. A. A. S., 
C. H. Smyth, Jr.: Geological Society of America, C. H. Smyth, Jr. 
Ibid, Nov. 12: Current notes on physiography, W. M. Davis. 
School of Mines Quart., vol. 18, no. 4, July, 1897. An introduction to 
the study and experimental determination of the character of crystals, 
A. J. Moses. 
Amer. Jour. Sci,, Nov. Geology of southern Patagonia, J. B. Hatch- 
er; Some of the large oysters of Patagonia, A. E Ortmann; Former ex- 
tension of the Appalachians across Mississippi, Louisiana and Texas, 
