by W. J. Plows. 63 



r the shelly remains harden slightly and may then be 



icularly full of eehinoderms, and on some of the 

 fhere well soaked by the sea, these fragile specimens 



in excellent condition. The same bed, particularly 

 'ith No. 3 contains huge specimens of Inoceramus 

 e are numbers measuring three feet in length, the 

 i than half an inch thick. As Messrs. Rogers and 

 found it impossible to obtain anything like a perfect 



there are hundreds lying just as they were entombed, 

 ihell of varying thickness are exposed all along the 

 3xhibit clearly its fibrous nature and the tripartite 

 i arragonite-calcite. 



3 and 4 is a layer of grit consisting mainly of grains 

 ianite. It carries amongst its organic remains shell 

 s of Inoceramus being identifiable, soonsre spicules. 



