INDEX TO VOLUME XXIX We 
PAGE 
Hobbs, William Herbert. Studies of the Cycle of Glaciation 370 
Horizontal Movement of Geanticlines and the Fractures Near Their 
Surface, The. By H. A. Brouwer 560 
Igneous Rocks, The Physical Chemistry of the Crystallization and Mag- 
matic Differentiation of. By J.H.L. Vogt . . 318,426, 515,627 
Jillson, Willard Rouse. The Oil and Gas Resources of Kentucky. 
Review by R. A. J. Ee ayes. Ger) Seana a (0 
Joints, The Mechanical iniesnaintion ae oie By Walter H. Bucher I 
Kraus and Hunt. Mineralogy. Review by D. J. F. 188 
Laney, Francis Baker. The Geology and Ore Deposits of the Virgilina 
District of Virginia and North Carolina. Review by R. A. J. 387 
Leighton, Morris M. The Pleistocene Succession near Alton, Illinois, 
and the Age of the Mammalian Fossil Fauna 5 505 
Leverett, Frank. Outline of Pleistocene History of } Vneeiecion Valley 615 
Little, Homer P., and Others. The Physical Features of Anne Arundel 
County. Review by R. D.S. : : Se ae go 
Logan, W. M. Petroleum and Natural Gas in Randa Review by 
RDS: 90 
Mackenzie River Basin, The. By Charles Camsell and Wyatt Malcolm. 
Review by J. F. W. 5 04 
Malcolm, Wyatt, Caco hanes aah The Mack enne WEE Bei 
Review by J. F. W. 04 
Mansfield, George Rogérs. Types a Rocky Terre ea Sinnetine fi 
Southeastern Idaho ea 
Marine Tertiary of the West Const a the Umted States, ‘The: Its 
Sequence, Paleogeography, and the Problems of Correlation. 
By Bruce L. Clark 583 
Maryland Geological Survey. Upper Geeraccous os Wereband Syste 
matic Report. Review by A. C. McF. 675 
Maryland, The Geography of. By William Bulloce Cini: "The 
Surface and Underground Water Resources of Maryland, Including 
Delaware and the District of Columbia. By William Bullock 
Clarke, E. B. Matthews, and E. W. Berry. Review by A.C. McF. 674 
Matthews, E. B., Clarke, William Bullock, and Berry, E.W. The 
Surface and Underground Water Resources of Maryland, Including 
Delaware and the District of Columbia. Clarke, William Bullock. 
The Geography of Maryland. Review by A. C. McF. Oza 
Mauna Loa, Two Gas Collections from. By E. S. Shepherd. Ree 
by E. S. Bastin. eS ee 387 
