16 ILLUSTRATIONS 



FIGURE PAGE 



1. Diagram showing the approximate position of the shore-line of the 



Sunderland Sea 62 



2. Diagram showing the approximate position of the shore-line of the 



Wicomico Sea 64 



3. Diagram showing the approximate position of the shore-line of the 



Talbot Sea 65 



4. Diagram showing ideal arrangement of the various terrace forma- 



tions in the Maryland Coastal Plain 84 



5. Diagram showing pre-Talbot valley 106 



6. Diagram showing advancing Talbot shore-line and ponded stream.. 107 



7. Diagram showing later stage in advance of Talbot shore-line 108 



8. Ideal section showing advance of Talbot shore-line 109 



9. Temperature curves for Charlotte Hall 166 



10. The warm wave of August, 1900 169 



11. Minimum temperatures during the cold waves of February, 1895, and 



1899 171 



12. Precipitation for each month in the year at Charlotte Hall 175 



