CONTENTS VU 



Page 



On the pre-Glacial Miami and Kentucky Rivers [abstract] ; by N. M. 



Fenneman ''^36 



Recent studies of the moraines of Ontario and western New York 



[discussion] ; by Frank B. Taylor 736 



Closing phase of glaciation in New York [abstract and discussion] ; 



by H. L. Fairchild 737 



Loess a lithological term [abstract and discussion] ; by B. Shimek. . . 738 



Gros Ventre slide [abstract] ; by Eliot Blackwelder 739 



Cenozoic history of the Wind River Mountains, Wyoming [abstract] ; 



by L. G. Westgate and E. B. Branson 739 



Stability of the Atlantic Coast [abstract and discussion] ; by Douglas 



Wilson Johnson 739 



Some coastal marshes south of Cape Cod [abstract and discussion] ; 



by Charles A. Davis 742 



Criteria for the recognition of ancient delta deposits [discussion] ; by 



Joseph Barrell 743 



Ancient delta deposits [abstract and discussion] ; by A. W. Grabau.. 743 

 Mississippian delta in the northern New River district of Virginia 



[discussion] ; by E. B. Branson 743 



Structure of esker-fans experimentally studied [abstract] ; by T. A. 



Jaggar, Jr 746 



Effect of rapid offshore deepening on lake-shore deposits [abstract] ; 



by Rtjfus M. Bagg, Jr 746 



Sti*ucture of the Helderberg front [abstract and discussion] ; by A. W. 



Grabau 746 



Succession in age of the volcanoes of Hawaii [abstract] ; by T. A. 



Jaggar, Jr 747 



Bibliography of the Mammoth Cave [abstract] ; by Horace C. Hovey. 747 

 Index to volume 23 749 



ILLUSTRATIONS 

 Plates 



Plate 1 — Shimek : Portrait of Samuel Calvin 4 



" 2 — Hague : Portrait of S. F. Emmons 12 



" 3 — Winchell : Portrait of C. W. Hall 28 



" 4 — Gilbert : Portrait of Edwin E. Howell 30 



" 5 — Winchell : Portrait of Auguste Michel-Levy 32 



6 — Niles : Portrait of W. H. Niles 34 



" 7— Shimek : Ridges northeast of Canton, South Dakota 132 



" 8 " Topographic features near Sioux Falls, South Dakota. 134 



" 9 " Features of the Big Sioux river terraces 136 



" 10 " Sections in Sioux Falls. South Dakota 142 



" 11 — Wright : Illu-strations of Ohio esker terraces 286 



" 32 — Collie : The coast region 299 



13 " The plateau region 307 



" 14 " The Rift Valley 312 



