NEW YORK STATE MUSEUM 



Stropheodonta concava, 14. 



demissa, 19. 



inaequistriata, 14. 

 Styliolina fissurella, IS, 17, 18, 19, 22. 



Tentaculites gracilistriatus, 18, 19, 



2i, 23. 

 Tichenor limestone, 20. 

 Tornoceras uniangulare, 17, 23. 

 Trochoceras gebhardi, 10. 

 Tropidoleptus carinatus, 18, 19, 20. 



Tully horizon, 22. 

 Tully limestone, 21. 



Vanuxem, cited, 16, 17. 

 Vitulina pustulosa, 20. 



West river shale, 23-24. 

 Whitfieldella cf. laevis, 



nucleolata, 10. 



sulcata, 10. 

 Wood, cited, 15, 16, 17. 



