May 7, 1909] 



SCIENCE 



755 



President Calvin's address, " The Latest 

 Phase of the Pleistocene Problem in Iowa." 



Physical and Structural 

 Some Distinctions between Marine and Terrestrial 



Conglomerates: Joseph Babeeix. 

 The Chemistry of the Pre-Camhrian Rivers: 



Reginaij) a. Daly. 

 The Primary Origin of the Foliated Structure of 



the LoAirentian Gneisses: Fbank D. Adams and 



Alfeed B. Bablow. 

 Relations of Present Profiles and Geologic Struc- 

 ture in the Desert Ranges: Chaem:s R. Ketes. 

 Deflation and the Relative Efficiencies of Erosive 



Processes under Conditions of Aridity : Charles 



R. Keyes. 

 Unconformity Separating the Coal-hearing Rooks 



in the Raton Field, New Mexico: Wiixis 



Thomas Lee. 

 Evidence that the Appalachian and Central Coal 



Fields were once Connected across Central Ken- 

 tucky: Ajsthtjb M. Miller. 

 The Bearing of the Tertia/ry Mountain Belt upon 



the Origin of the Earth's Plan : Frank Bueslet 



Taylor. 

 On Faults: Harry Fielding Reid. 

 Mass Movements in Tectonic Earthquakes : Harry 



Fielding Reid. 

 The Alaskan Earthquake of 1899: Lawrence 



Martin. 

 A Recent Landslide in a Shale Bank near Cleve- 



la/nd accompanied iy Buckling: Frank R. Van 



Horn. 

 The Volcano Kilauea: C. H. Hitchcock. 

 Mt. Pel6 of Martinique and the Soufri^re of St. 



Vincent in May and June, 1908: Edmund Otis 



HOVEY. 



Glacial 



Multiple Glaciation in New York: H. L. Fair- 

 child. 



Glacial Waters West and South of the Adiron- 

 dacks: H. L. Fairchild. 



Correlation of the Hudson and the Ontarian Gla- 

 cier holies: H. L. Fairchild. 



Pleistocene Features in Northern Neio York: H. 

 L. Fairchild. 



Pleistocene Geology of the Southwestern Slope of 

 the Adirondacks: W. J. Miller. 



Weathering and Erosion as Time Measures: 

 Frank Leverett. 



The Glacial Phenomena of Southeastern Wiscon- 

 sin: Wm. C. Alden. 



Concerning Certain Criteria for Discrimination 

 of the Age of Glacial Drift Sheets as Modified 

 hy Topographic Situation and Dra/inage Rela- 

 tions: Wm. C. Alden. 



Lake Ojibtva, the Last of the Great Glacial Lakes : 



A. P. Coleman. 



Glacial Erosion on Kelley's Island, Ohio: Frank 



Carney. 

 Interglacial Epochs: Albrecht Penck. 



Stratigraphic 



The Chalk Formations of Northeast Texas: C. H. 

 Gordon. 



Geologic History of the Ouachita Region: E. 0. 

 Ulrich. 



Some Results of an Investigation of the Coastal 

 Plain Formations of the Area between Massa- 

 chusetts and North Carolina: Wm. Bullock 

 Clark. 



The Geologic Relations of the Cretaceous Floras 

 of Virginia and North Carolina: Edward W. 

 Beery. 



Occurrence of the Magothy Formation on the 

 Atlantic Islands: Arthur Baeneveld Bibbins. 



Erosion Intervals in the Tertiary of North Caro- 

 lina and Virginia and Their Bearing upon the 

 Distribution of the Formations: Benjamin L. 

 Miller. 



The Character a/nd Structural Relations of the 

 Limestones of the Piedmont in Maryland and 

 Virginia: Edward B. Mathews and J. S. 

 Grasty. 



Recurrence of the Tropidoleptus Fauna and the 

 Geographic Range of Certain Species in the 

 Chemung of Maryland: Charles K. Swartz. 



The Geological Distribution of the Mesoisoic and 

 Cenozoic Echinodermata of the United States: 

 Wm. Bullock Clark and M. W. Twitchell. 



On the Age of the Gasp4 Scmdstone: Henry S. 

 Williams. 



Revision of the Paleozoic Systems in North Amer- 

 ica: E. O. Ulrich. 



The AftonioM Sands and Gravels in Western Iowa; 



B. Shimek. 



An Aftonian Mammalian Fauna: S. Calvin. 

 The Brachiopod of the Richmond Group: A. F. 



FOERSTE. 



Areal 



The Trap Sheets of the Lake Nipigon Basin: 

 Alfred W. G. Wilson. 



Reconnaissance in Arizona and Western New 

 Mexico along the Santa F4 Railroad: N. H. 

 Daeton. 



Geologic Studies in the Alaska Peninsula: Wal- 

 lace W. Atwood. 



Our Present Knowledge of the Oklahoma Red 

 Beds: C. N. Gould. 



