PLATE XIX. 



PAGE. 



Pig. 1. PlaTyceras lOdiensis, Meek, var? 514 



Cuyahoga shale, Bagdad, O. 

 Fig. 2. Conularia gracilis, Herrick. 



Two specimens, Cuyahoga shale, Licking county. 



Pig. 3. Conularia victa, White. 



Burlington. Newark, O. 



Fig. 4. Conularia micronema, Meek. 



Kinderhook. 

 Fig. 5. Conularia newberryi, M-ek. 



Kinderhook. 

 Fig. 6. ZaphrenTis ? 



Burlington or Keokuk, Rushville, Ohio 

 Fig. 7. PlaTyceras lodiense, Meek. 



Cuyahoga shale. 

 Fig. 8. CyThere ohioensis, Herrick. 



Keokuk. Rushville. 

 Fig. 9. Rhombopora ohioensis, Ulrich. 



Cuyahoga shale. 



