416 N. H. DARTON — CATALOG OF PHOTOGRAPHS 



741. Portion of Iroquois shore, near Wolcott. The camera stands on a spit and 



is turned toward a sea-cliff cut from a (Jrumlin (No. 926). 



742. Iroquois shore, near Constantia, New York. The camera stands on a beach 



ridge of gravel. Compare modern beach in No. 123 (No. 014). 



743. Iroquois shore, near Pierrepont manor, New York. Excavation of till by 



the waves left a cut terrace set with large boulders. Compare with No. 

 737 (No. 928). 



744. Iroquois shore, near Pierrepont manor. Excavation of till by the waves left 



a cut terrace set with large boulders. Compare with No. 737 (No. 929). 



745. Iroquois shore, section of spit, 3 miles east of TVatertown, New York. The 



open lake lay at the left, a bay at the right. The spit was accumulated 

 by additions on the landward side (no negative). 



746. Wall composed of limestone blocks rounded by wave action on an ancient 



shore of lake Ontario, 5 miles east of Watertown (No. 931). 



5 by 7 inches 



747. Shore of lake Ontario, Niagara county, New York. Illustrates mode of 



origin of beach shingle by showing rock in place and angular rocks re- 

 cently detached (No. 1743). 



748. Beach of flat shingle. Shore of lake Ontario at Golden Hill creek, New 



York (No. 1744). 



749. Beach of well rounded shingle. Shore of lake Ontario at Golden Hill creek, 



New York (No. 1745). 



750. Cemented shingle in spit of glacial lake Iroquois at Lewiston, New York 



(No. 1746). 



751. Section of spit of glacial lake Iroquois at Lewiston. The dip is landward, 



indicating growth on the inside of the spit (No. 1747). 



752. Section of spit of glacial lake Iroquois at Lewiston. The dip is landward, 



indicating growth on the inside of the spit (No. 1748). 



753. Cut terrace of the Iroquois shore line, 2 miles west of Dickersonville, New 



York. Lacustrine plain, bed of lake Iroquois, near Jeddo, New York 

 The water edge was at base of cliff. The cliff is carved from Medina shale 

 (No. 1749). 



754. Till plain, J mile south of Jeddo, Niagara county, New York (No. 1750). 



755. Cross-bedding and unconformity in sand kame, 3 miles east of Lockport, 



New York (No. 1751). 



756. Till. Shore of lake Ontario, Wilson, New York (No. 1752). 



757. Deposit by torrent of Erian water on the withdrawal of the ice-sheet from 



the escarpment at Lewiston, New York. Unassorted and unworn allu- 

 vium (No. 1753). 



758. Section of talus, Niagara gorge (No. 1754). 



759. Angular gravel in kame, south of Royalton, Niagara county, New York 



(No. 1755). 



760. Solitaiy gravel kame, ,3 miles south of Middleport, New York (No. 1756). 



761. Escarpment of the Niagara limestone ; looking west from a point on the talus 



near Lewiston, New York (No. 1757). 



762. Niagara escarpment capped by Niagara limestone; looking east from a point 



5 miles west of Lockport, New York (No. 1758). 



