NOTE 



Plates I to XVI, illustrating the Geological and Paleontological Relations 

 of the Lower Devonian, are bound with the text volume. The following plates 

 illustrate the Systematic Paleontology of the Lower Devonian of Maryland. 



All drawings cited from New York formations, in the following descriptions 

 of plates, are from the Paleontology of New York, and are after Hall or Hall 

 and Clarke. Only in cases where Hall figured material from Maryland is 

 acknowledgment made in the descriptions. 



