16 ILLUSTRATIONS 



FIGURE PAGE 



1. Diagram showing Structure and Distribution of Surficial Deposits 



in the Middle Atlantic Slope according to N. H. Darton 36 



2. Diagram showing Ideal Arrangement of tne Various Terrace Form- 



ations in the Maryland Coastal Plain 66 



3. Diagram showing Piedmont Type of Lafayette-Sunderland Scarp.. 69 



4. Diagram showing Coastal Plain Type of Lafayette-Sunderland 



Scarp 70 



5. Diagram showing Lafayette-Talbot Scarp with the Sunderland and 



Wicomico Terraces absent 75 



6. Diagram showing Pre-Talbot Valley 128 



7. Diagram showing Advancing Talbot Shore Line and Ponded Stream 129 



8. Diagram showing Later Stage in advance of Talbot Shore Line. . . . 130 



9. Ideal section Showing advance of Talbot Shore Line 131 



10. Portions of Surface of Bryozoan 212 



