Head of fossil Ovis. — Fossil Chiton. 83 



Fig. 19. — Side view of the head of fossil Ovis, reduced. 



Fig. 19. — Front view of the head of fossil Ovis, reduced. 



marked with a very plain suture. Margin, smooth. The dermoid 

 portion is replaced by a beautiful, greenish colored, crystalized car- 

 bonate of lime, about one line thick. 



jRemarZcs. — This beautifully preserved fossil animal, was found a 

 few days since, imbedded in a dark carbonaceous lime rock, which 

 forms the bed of the Muskingum river, a short distance below the 

 falls. In splitting the rock, the back of the animal was distinctly 

 disclosed ; the abdomen is yet buried in the fragment. The outlines 

 are very perfect, showing the back and sides very distinctly. This 



