INDEX TO PLATES IN GEOLOGIC ORDER 



261 



PLATE 



xc. 



XCI. 



XCII. 



XCIII. 

 IV. 



XXVIII. 



FACING PAGE 



Triassic Sandstone, Contact of Trap and Underlying; south 



end of Lane's Quarry, Fort Lee, Bergen county, N. J 172 



Triassic Sandstone, Reptilian Footprints on; Turner's Falls, 



Mass 172 



Triassic Sandstone, Rain Prints and Reptilian Footprints on ; 



Turner's Falls, Mass 172 



Triassic Sandstone, Ripple Marks on ; Turner's Falls, Mass.. 172 

 Triassic Diabase Overlying Sandstone which is Concealed by 

 the Talus. Palisades of the Hudson River, seen from 



Hastings, Westchester county 124 



Palisades (Triassic) in the Background; View of Iuwood, 

 Manhattan Island. Plain of Calciferous Trenton Lime- 

 stone. Hills right and left of Hudson River Schist 146 



Quaternary. 



XCIV. Glacial Scratches on the Coruiferous Limestone, Cheek- 



towaga, Erie county 176 



XCV. Quaternary Delta Deposit of Croton River, one mile south 



of Croton Landing, Westchester county 176 



XCVI. Quaternary Kame Deposit, View of; Xoith Albany 176 



XCVII. Quaternary Sand and G-ravel Beds, Section of; North 



Albany, shown in last illustration 176 



XCVIII. Quaternary Sand Plain, Valley of Erosion in the ; near Del- 

 mar, Albany county 176 



XCIX. Quaternary Drift Hills Southwest of Glens Falls, Warren 



county. French Mountain in the Distance, Lake in 176 



C. Quaternary Plain at the foot of the Helderberg Escarp- 

 ment, between Ravena and South Bethlehem, Albany 



county 176 



CI. Quaternary Sands. Crescent shaped Lake formed by natural 

 diversion of Stream into a new Channel. Valley of the 

 Normanskill, near Albany, Carved by the Stream Through 



a Plain of 176 



CIL Sand Bars, Lake Erie, mouth of Eighteen Mile Creek, Erie 



county - 176 



CHI. Glacial Boulders Washed from Moraine, Stony Point, near 



West Seneca, Erie county. Shore of Lake Erie 176 



CIV. Foot of the Selkirk Glacier, British Columbia, Showing the 



Formation of a Moraine Deposit 176 



XXIH. Glaciated Surface of Potsdam Conglomerate, Mosherville, 



Saratoga county 1*4= 



