PLATE III. 



Fig. 1. Platystrophia laiicosta, Meek. A, brachial valve; B, pedicel valve. 

 Cincinnati, Ohio, Fairmount bed. 



Fig. 2. Platystrophia laticosta, Meek. Brachial valves. From the group of 

 specimens numbered 40479 in the U. S. National Museum, said by 

 R. S. Bassler to be from the Waynesville bed, at Waynesville, Ohio. 



Fig. 3. Platystrophia clarksvillensis. Brachial valve. Stony Hollow, a mile 

 and a half southeast of the railroad station at Fort Ancient, Ohio, 

 in the lower or Fort Ancient division of the Waynesville bed. 



Fig. 4. Platystrophia clarksvillensis. Brachial valve. Sewell run, south of 

 the pike from Wilmington to Clarksville, Ohio, in the middle or 

 Clarksville division of the Waynesville bed. 



Fig. 5. Platystrophia cypha, variety. At the deep railroad cut three miles 

 south of Maysville, one mile north of Summit, Kentucky, in the 

 upper division of the Arnheim bed. 



Fig. 6. Platystrophia aciitilirata, Conrad. Brachial valve. Richmond, Indiana, 

 from the upper part of the Whitewater bed. 



Fig. 7. Platystrophia aciitilirata, Conrad. Pedicel valve. Pennsylvania rail- 

 road cut, at Huffman hill, in the eastern part of Dayton. Ohio, in 

 the upper part of the Whitewater f^ed. 



Fig. 8. Platystrophia acutilirata-prolongata, James. Richmond, Indiana, from 

 the upper part of the Whitewater bed. 



Fig. 9. Platystrophia sp. A unique specimen from the Homotrypa n'orthcni 

 horizon at the base of the Elkhorn bed, on Elkhorn creek, three 

 miles southeast of Richmond, Indiana. 



Fig. 10. Orthorhyncliula liiiiieyi, James. Brachial valve. One mile north of 

 Paint Lick, Kentucky, in the upper part of the Fairmount bed. 



Fig. 11. Cata::yga headi-schuchcrtana, Ulrich. Madison. Indiana, along the 

 Hitz road, west of the railroad incline, in the upper part of the 

 Waynesville bed. 



Fig. 12. Rliyuchotrema dcntata. Hall. Richmond, Indiana, in the upper part 

 of the Whitewater bed. Lateral view. 



Fig. 13. Rhynchotrcma dcutata-arnheimcnsis. Lateral view. Along the creek 

 south of Arnheim, Ohio, in the Arnheim bed. 



Fig. 14. Catazyga iiphami-aiistralis. Brachial views. B, specimen with a low, 

 broad median elevation ; C. enlarged view of A, the type. High 

 Bridge, Kentucky, in the Camp-nelson bed. 



Fig. 15. Cyclocoelia scctostriata, Ulrich. Brachial views. B, enlarged view 

 of A. Cincinnati, Ohio, Fairmount bed. 



Fig. 16. Cyclocoelia crassiplicata. Cincinnati, Ohio, in the Fairmount bed. 

 Types. 



Fig. 17. Calynieiie abbreviata. At mile post 61, one mile south of Rogers 

 Gap, in the Greendale division of the Cynthiana formation. 



Fig. 18. Calymene meeki. Cincinnati, Ohio, in the Fairmount bed. 



Fig. 19. Calymene meeki-retrorsa. On Silver creek, east of Dunlapsville, In- 

 diana, in the middle or Clarksville division of the Waynesville bed. 



Fig. 20. Orthorhynchnla ? Unknown brachiopod with simple plications, the 

 four median plications slightly elevated. From a well in the Ful- 

 ton or Lower Eden, 1 mile south of Lower Blue Lick Springs, 

 Kentucky. 



Fig. 21. Calymene platycephala ? Pygidium. found at the same horizon as the 

 middle part of the cephalon of Calymene platycephala. Clifton, Ten- 

 nessee, in the Saltillo bed. 



Fig. 22. Scliicocrania riidis, Hall. LIpper valve, slightly crushed.. B. view 

 of A, enlarged. Clifton. Tennessee, in tlie Saltillo bed. 



