4 PROCEEDINGS OF THE BOSTON MEETING 



Page 



Differentiation by deformation [abstract] ; by N. L. Bowen 139 



Geology of tbe Katmai region, Alaska, and the great eruption of 

 1912 [abstract] ; by Clarence N. Fenner 140 



Anorthosite-gabbro in northern New York [abstract] ; by Wil- 

 liam J. Miller 140 



Experiments illustrating the development of igneous rock textures 

 [abstract] ; by Fred E. Wright 141 



Feldspars as indicators of the sedimentary or igneous origin of 

 gneisses and schists ; by Edward Steidtmann 141 



Tectonic conditions accompanying intrusion of basic and ultra- 

 basic rocks [abstract] ; by W. N. Benson 144 



Michigan meteor of November 26, 1919 [title] ; by W. H. Hobbs. . 148 



Annual dinner 148 



Session of Wednesday, December 31 148 



Standard of Fellowship 149 



Symposium on the teaching of geology and paleontology 149 



Teaching of historical geology and paleontology as fundamental 

 to history, the humanities, and science ; by John C. Merriam . . . 149 



Petrology and structural geology ; by James F. Kemp 149 



Physiography and general geology ; by Herbert E. Gregory 150 



American paleontologists and the immediate future of paleon- 

 tology ; by Charles Schuchert 150 



General teaching problem of paleontology ; by Herdman F. Cle- 

 land 150 



Teaching of paleobotany ; by Edward W. Berry 150 



Teaching of invertebrate paleontology ; by Stuart Weller 150 



Value and use of stages of development in teaching; by Robert 



T. Jackson 150 



Vote of thanks 150 



Titles and abstracts of papers presented before the afternoon sessions 

 and discussions thereon 150 



Clift islands in the coral seas [abstract] ; by W. M. Davis 151 



Erosive clues to the high plateaux of Utah [abstract] ; by Charles 

 R. Keyes ,. 151 



Mountain pediments : A discussion of the erosion of desert ranges 

 [abstract] ; by Kirk Bryan 152 



Some features of stream development and of glaciation in the 

 Catskill Mountains [abstract] ; by H. E. Merwin 152 



TJniclihe : A term proposed for monoclinal ridges of erosion [ab- 

 stract] ; by Amadeus W. Grabau 153 



Use of geology on the Western Front [abstract and discussion] ; 

 by Alfred H. Brooks 153 



Survey of road materials in New Hampshire [abstract] ; by 

 James W. Goldthwait 154 



Carboniferous salt and potash deposits of eastern Canada [ab- 

 stract] ; by Albert O. Hayes 155 



Natural gas decline curve [abstract] ; by Roswell H. Johnson 155 



