BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 129 
McBeth, William A. 
1637. An esker in Tippecanoe County, Ind. — Indiana Acad. Sci., Proc, 1904, 
pp. 45-46, 1 fig., 1905. 
Describes the formation of the esker. 
1638. Notes on the delta of the Mississippi River. — Indiana Acad. Sci., Proc, 
1904, pp. 47-41), 1 fig., 1905. 
Macbride, Thomas H. 
1639. Geology of Sac and Ida counties [Iowa]. — Iowa Geol. Survey, vol. 16, 
pp. 509-562, 1 pi., 2 geol. maps, 2 figs., 1900. 
Describes the topography and drainage, the stratigraphy, including Cretaceous and 
Pleistocene deposits, and the economic products. 
1640. On certain fossil plant remains in the Iowa herbarium. Davenport 
Acad. Sci., Proc, vol. 10, pp. 153-162, 12 pis., 1«.m>7. 
McCallie, S. W. 
1641. stretched pebbles from Ocoee conglomerate. — .lour, ecology, vol. 14, 
no. 1, pp. 55-59, 3 figs., 1906. 
Describes the occurrence, physical characters, chemical composition, and microscopic 
structure of these pebbles from the Ocoee conglomerate of Georgia. 
1642. Some notes on schist-conglomerate occurring in Georgia. Jour. Ecol- 
ogy, vol. 15, no. 5, pp. 474^78, 4 figs., 1907. 
1643. A preliminary report on the marbles of Georgia (second edition, re- 
vised and enlarged). — Georgia, Geol. Survey, Bull. no. 1, 12(5 pp., 52 pis., :; figs., 
2 maps, 1907. 
McCarthy, Gerald. 
1644. Ground and deep waters of North Carolina. — North Carolina Board 
of Health, Bull., vol. 22, no. 1, pp. 1-14. 6 figs., April. 1907. 
Includes notes, on the arrangement of the strata and the underground water re- 
sources. 
McCaskey, H. D. 
The production of gold and silver in 1906 in the southern Appalachian States; 
in Texas; and in Vermont. — See no. 241!>. 
McClung, C. E. 
1645. The University of Kansas expedition into the .John Day region of 
Oregon. — Kansas Acad. Sci., Trans., vol. 20, pt. 1. pp. G7 7<>. 1908. 
Gives notes upon the character, occurrence, and age <>f the John Day beds of Oregon. 
McClure, W. Frank. 
1646. A great mammoth's tooth.— Sci. Am., vol. 90, p. 60, 1 fig., .January 23, 
1904. 
Describes the finding of a molar of Elephas primigenius near Amboy, Ohio. 
McConnell, R. G. 
1647. Report on recent mineral discoveries on Windy Arm, Tagisb Lake 
[Yukon |. — Canada, Geol. Survey. 12 pp., L905 
1648. [Report on thej headwaters of White River. Canada, Geol. Survey, 
Suinm. Rept. for 1905, pp. 1!> 26, 1906. 
Gives notes on the topography, geology, petrology, and mineral resources of the area 
examined. 
1649. [Report on the] Windy Ann district, northwestern British Columbia. 
Canada, Geol. Survey, Siinini. Rept. for 1905, pp. 26 32, L906. 
(lives notes on the physical character, the general geology, the minerals, and tie 
mining developments of the region examined. 
66836 -Bull. 372 -09 i) 
