348 Fossil Footmarks found in Westmoreland County^ Pa. 



Fig. 7, a. 



Fore foot. Reduced one half. 

 Fig. 7, h. 



Hind foot. Reduced one half. 



In another locality twelve miles distant from that which fur- 

 nished the preceding specimens, but in the same synclinal valley, 

 on a slab of fine-grained micaceous sandstone, which was taken 

 from a quarry about fifty feet lower than the tracks already de- 

 scribed, I found beautiful imprints of the feet of a very different 

 animal, as shown in figs. 7, a, h c. The hind and fore feet are 



