CONTENTS V 



Page 

 Some effects of glacier action in Iceland [discussion] ; by Fred Eugene 



AVkight 759 



Cliff structure of the Yosemite Valley [abstract and discussion] ; by F. E. 



Matthes 759 



Further light on the gorge of the Hudson [abstract and discussion] ; by 



James F. Kemp 760 



Glacial lakes and channels near Syracuse [abstract] ; by T. C. Hopkins. . 761 

 Isobases of the Algonquin and Iroquois beaches and their significance [dis- 

 cussion] ; by J. W. GoLDTHWAiT j 761 



Shorelines of the glacial lakes in the Oberlin Quadrangle, Ohio [abstract] ; 



by Frank Carney 762 



Glacial investigations in the Lake Superior region in 1909 [abstract] ; by 



Frank Leverett 762 



Diversion of the Montreal River [abstract] ; by Robert Bem 762 



Relationship of Niagara river to the Glacial period ; Relative work of the 

 two Falls of Niagara; Interruption in the flow of the falls of Niagara in 



February, 1909 [discussion] ; by J. W. Spencer 763 



Origin of Cliff Lake, Montana [abstract and discussion] ; by G. R. Mans- 

 field 764 



Rock streams of Veta Mountain, Colorado [discussion] ; by H. B. Patton. 764 



Meanders and scallops ( abstract] ; by Mark Jefferson 765 



Beach cusps [abstract] ; by Mark Jefferson 765 



North American natural bridges [discussion] ; by Herdman F. Cleland. . 765 

 Salt marsh formation near Boston, and its geological significance [ab- 

 stract] ; by Charles A. Davis 766 



Geological suggestions derived from a new arrangement of the elements 



[abstract] ; by B. K. Emerson 766 



Mechanics of faults [abstract] ; by Harry Fielding Reed 766 



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 cum ulo volcanic eruption in Japan, 1909 [abstract and discus- 

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



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

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

 stract and discussion] ; by F. G. (/LApp 769 



Generalized section through the Appalachian Mountains of Maryland [ab- 

 stract and discussion] ; by Charlks 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 dis- 

 cussion] ; by Frank R. Van Horn 771 



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



D. Adams 773 



Coon Butte and meteoritic falls of the desert [abstract] ; by Charles H. 



Keyes 773 



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



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

 Hopkins 774 



