CARHONIFKROUS DISTRICT OF COLCIIESTEl: AND HANTS. 253 



it will be easily understood that in the upheaval of large surfaces of 

 rock, these would readily give way along the lines of greatest and 



Fig. 76. — Fragment of Len f 

 of i 'ordaites. 



Fig. 74.— Ltpidodendron corrugatvm 

 — portion of bark. 



IVMl'MHVy,! 



PI 



d 1 1 f/i 



Isir 



Fig. 75. — Cyclopteris Acadica. 



(a) Pinnules showing venation. (6) Fragment of stipe, 



(c) Stipe, rinniiles, ami remains of fructification. 



least pressure, and be tilted in different directions and slipped up or 

 down. The general dip of these beds, however, so far as it can be 

 ascertained by putting together their disjointed portions, appears to 

 be to the north-cast or from the older slaty rocks. 



The Morton Bluff beds are the geological equivalents of the beds 



