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ILLUSTRATIONS 



PLATE FACING PAGE 



X. Fig. 1. — View showing Rolling Surface near edge of 

 Sunderland Formation, in the Vicinity of Hunting- 

 town, Calvert County 84 



Fig. 2. — View showing Erosion on Sunderland Surface, 



near Huntingtown, Calvert County 84 



XL Fig. 1. — View showing the Sunderland Formation un- 

 conformably overlying Lower Cretaceous Deposits in 

 Belt Line Cut, near Charles Street, Baltimore 88 



Fig. 2. — View showing Section in Wicomico Formation, 



near Clements, St. Mary's County 88 



XII. Fig. 1. — View showing Talbot-Wicomico Scarp, Talbot 

 Surface in Foreground, one mile east of Sandy Bottom, 

 Kent County 92 



Fig. 2. — View at the same Locality as above, but from 

 the Wicomico Surface looking down on the Talbot 

 Plain. The top of the Scarp may be seen running 

 across the middle of the Illustration 92 



XIII. Fig. 1. — View of Capitol Hill, Washington, as seen from 



White House, in 1848, showing the Wicomico-Talbot 

 Scarp, Lithographed and Published by N. Currier, 



1848 96 



Fig. 2. — View of the west side of Capitol, showing Wi- 

 comico-Talbot Scarp, Drawn from nature, by A. K611- 

 ner, Painted by Cattier, Lithographed by Deroy, 1848. 96 



XIV. Fig. 1. — View showing Section of Talbot Formation, near 



Dares Wharf, Calvert County 100 



Fig. 2. — View showing Section of Talbot Formation, near 



Dares Wharf, Calvert County 100 



XV. Fig. 1. — View of St. Jerome Creek, showing Drowned 



Valleys, near Ridge, St. Mary's County 104 



Fig. 2. — View of Talbot Surface, near Taylors Island, 



Dorchester County 104 



XVI. Fig. 1. — View showing Fossil Vegetation in Talbot Form- 

 ation, near Cove Point, Calvert County 108 



Fig. 2. — View showing Cross-bedding in Wicomico Form- 

 ation, Valley of Lyons Creek, Anne Arundel County. . 108 

 XVII. Fig. 1. — View showing Fossil Vegetation in Talbot Form- 

 ation, near Oliver Point, Baltimore County 112 



Fig. 2. — View showing Fossil Vegetation in Talbot Form- 

 ation, near Oliver Point, Baltimore County 112 



XVIII. Fig. 1. — View showing Fossil Shell Deposit in Talbot 



Formation, at Wailes Bluff, St. Mary's County 116 



Fig. 2. — View showing Fossil Shell Deposit in Talbot 



Formation, at Wailes Bluff, St. Mary's County 116 



XIX. Fig. 1. — View showing Recent Filling of Patuxent River, 



above Lyons Creek, Anne Arundel County 120 



Fig. 2. — View showing Talbot-Recent Scarp, near Jones 

 Point, Calvert County 120 



