FAUNA OF THE CLIFFWOOD CLAYS 337 



entire period of deposition of the Raritan beds, at no great distance 

 from the present shores of Raritan Bay; and, if that were the case, it 

 is not at all surprising that there should be occasional transgressions 

 of marine conditions within the area where non-marine sedimentation 

 was usually in progress, with the consequent deposition of marine 

 beds with marine fossils. 



