45; ; Dominican Sections — Maury 43 



We then called the crossbedded sands and Oak Grove sands 

 Transitional, for which Burdigalian should now be substituted. 



Whether, as suggested by the loose Clypeaster caudatus, the 

 Helvetian subdivision of the Vindobonian Miocene comes in at C 

 remains to be proved or disproved. The Helvetian is basal Up- 

 per Miocene of recent European usage but basal Miocene of certain 

 American authors. If present it would show that a warm water 

 fauna was living in the Dominican waters before, or possibly 

 simultaneously with, the cold water Chesapeake (Tortonian?) 

 fauna extending along the American coast. 



General Correlation Table. 



A summary of the main conclusions reached may be most 

 clearly expressed by the following table. 



