PLATE LX. 



Fig. I. Teinostoma {CUmacta) calliglyptum Dall, basal view; Pliocene marl of Shell 



Creek, Florida; diara. 3.0 mm. 

 The same, in profile. 

 The same, from above. 

 Macromphalina {Gyrodisca) duplinensis Dall; Miocene of Duplin County, 



North Carolina; diam. 3.6 mm.; Proc. U. S. Nat. Mus., xviii., p. 45, 1895. 

 Neritina {Smaragdia) merida Dall; Pliocene marl of Shell Creek, Florida; alt. 



4.5 mm. 

 Umbonium (Solariorbis) Horidanum Dall, basal view ; Pliocene marl of the 



Caloosahatchie, Florida; diam. 1.6 mm.; Proc. U. S. Nat. Mus., xviii., 



P- 45, 1895- 

 Fig. 7. The same, in profile. 

 Fig. 8. Umbonium (Solarioi'bis) duplmense Dall, from above; Miocene of Duplin 



County, North Carolina; diam. 2.0 mm.; Proc. U. S. Nat. Mus., xviii., 



p. 46, 1895. 

 Fig. 9. The same, basal view. 

 Fig. 10. The same, in profile. 

 Fig. II. Umbonium (Solariorbis) undula Dall, basal view; Miocene of Duplin County, 



North Carolina; diam. 2.5 mm.; Proc. U. S. Nat. Mus., xviii., p. 46, 1895. 

 Fig. 12. The same, in profile. 



Fig. 13. Cythara metria Dall ; Pliocene marl of Shell Creek, Florida ; alt. 7.5 mm. 

 Fig. 14. Aspella senex Dall; Pliocene marl of Shell Creek, Florida; alt. 9.5 mm. 

 Fig. 15. Glyphostoma scoptes Dall; Pliocene marl of Shell Creek, Florida; alt. 12.5 



mm. 

 Fig. 16. Cythara micromcris Dall ; Pliocene marl of Shell Creek, Florida ; alt. 5.2 



mm. 

 Fig. 17. Subemarginula retiporosa Dall, in profile; Pliocene marl of Shell Creek, 



Florida ; Ion. 13.0 mm. ; see also Plate LV., Fig, 3. 

 Fig. 18. Solenosteira Vaughani Dall ; Miocene of Coe's Mill Run, Florida ; alt. 32.0 



mm. 

 Fig. 19. Neveriia coensis Dall ; Miocene of Coe's Mill Run, Florida ; alt. 34.0 mm. 

 Fig. 20. Pterorhytis (Conradiana Dall, var. ?)• fluviana Dall, apical view, showing 



varices ; Pliocene of Shell Creek, Florida. 

 Fig. 21. The same, front view; alt. 34.0 mm. 

 Fig. 22. Conus demiurgus Dall, young shell; Chipola Oligocene; alt, 38.0 mm.; Proc. 



U. S. Nat. Mus., xviii., p. 43, 1895. 

 Fig. 23. Conus cliipolanus Dall; Chipola Oligocene; alt. 32.0 mm.; Proc. U. S. Nat. 



Mus., xviii., p. 42, 1895. 

 Fig. 24. Ringicwla seinilimata Dall ; Chipola Oligocene ; alt. 2.0 mm. ; Proc. U. S. Nat. 



Mus., xviii., p. 24, 1895. 

 Fig. 25. Tornatina Fischeri Dall ; Chipola Oligocene ; alt. 2.5 mm. ; Proc. U. S. Nat. 



Mus., xviii., p. 26, 1895. 

 Fig. 26. Conus isomitratus Dall ; Chipola Oligocene ; alt. 28.0 mm. ; Proc. U. S. Nat. 



Mus., xviii., p. 43, 1895. 

 Fig. 27. Conus sulcuhis Dall ; Chipola Oligocene ; alt. 38.0 mm. ; Proc. U. S. Nat. Mus., 



xviii., p. 43, 1895. 



1633' 



