754 



ABSTRACTS OF TAPERS 



Page 



Mechanics of faults [abstract] ; by Harry Fielding Reid 760 



New light on the geology of the Wasatch Mountains, Utah [discussion] ; 



by Eliot Blackwelder 767 



Hawaiian volcanoes [abstract] ; by Reginald A. Daly 767 



Genetic classification of active volcanoes [abstract] ; by T. A. Jaggar, Jr.. . 768 

 Tarumai, a cumulo-volcanic eruption in Japan, 1909 [abstract and discus- 

 sion] ; by T. A. Jaggar, Jr 768 



Structure of the northern portion of the Eureka- Volcano-Burning-Springs 

 anticline, in Pleasants, Wood, and Ritchie counties. West Virginia [ab- 

 stract and discussion] ; by F. G. Clapp 769 



Generalized section through the Appalachian Mountains of Maryland [ab- 

 stract and discussion] ; by Charles K. Swartz 769 



Some instances of flowing wells on anticlines [abstract] ; by F. G. Clapp. . 770 

 Local anticlines in the Chagrin shales at Cleveland, Ohio [abstract and 



discussion] ; by Frank R. Van Horn 771 



Experimental investigation into the flow of diabase [abstract] ; by Frank 



D. Adams 773 



Coon Butte and meteoric falls of the desert [abstract] ; by Charles R. 



Keyes 773 



Connate waters of the Atlantic coast [abstract] ; by Alfred C. Lane 774 



Changes produced on springs by a sinking water table [abstract] ; by T. C. 



Hopkins 774 



Criteria for the recognition of various types of sand grains [discussion] ; 



by W. H. Sherzer 775 



The theory of isostacy [abstract and discussion] ; by W. M. Davis 777 



Geological progress map of Oklahoma [abstract] ; by Charles N. Gould. . . . 777 

 Observations on rate of sea-cliff erosion [abstract] ; by Charles P. Berkey. 778 

 Climate and physical conditions of the Keewatin [abstract] ; by A. P. 



Coleman 77,S 



Permo-carbonic conglomerates of south Brazil [abstract and discussion] ; 



by J. B. Woodw orth 770 



Magothy formation of the Atlantic coast [abstract] ; by A. B. Bibbins. . . . 780 

 Age of the Calciferous formation of the Mohawk Valley, New York [ab- 

 stract] ; by E. O. Ulrich and H. P. Gushing 780 



Upper Cayugan of Maryland [abstract and discussion] ; by T. Poole May- 



nard 781 



Stratigraphic relations of the Livingston beds of central Montana [ab- 

 stract] ; by R. W. Stone and W. R. Calvert 782 



Discovery of fossils in the Quantico slate belt, and the association of 

 volcano-sedimentary beds with the slates of the Virginia crystalline 



region [abstract] ; by Thomas L. Watson and S. L. Powell 782 



Rhode Island coal [abstract] ; by Charles W. Brown 783 



Geologic thermometry [abstract and discussion] ; by Fred E. Wright 783 



Obsidian from Hrafntinnuhyggur, Iceland [abstract] ; by Fred E. Wright. 784 

 Pegmatite in the granite of Quincy, Massachusetts [abstract and discus- 

 sion] ; by C. H. Warren and Charles Palache 784 



Origin of the alkaline rocks [discussion] ; by R. A. Daly 785 



Complex of alkaline igneous rocks at Cuttingsville, Vermont [abstract and 



discussion] ; by J. W. Eggleston 785 



Bleacliing of granite at limestone contacts [abstract] ; by H. P. Gushing, . 786 



