166 GEINERAL GEOLOGY. 



been possible to obtain, the formations are believed to exist 

 there. 



The original plan for parts II and III, contemplated a careful 

 identification and record of every species of fossils found in 

 each stratum of every section made in the prosecution of the 

 field-work, to be embodied in the text. For want of time 

 this work was carried no farther than to leave no doubt in 

 the mind of , the writer as to the correctness of the deductions 

 drawn from the observations made and here presented. 



