SUPPLEMENT, PLATE XX. 



Discitse hemera. 

 Figs. 1 — 3. — Braunsina fastigata, S. Buckman. 

 Bradford Abbas, " Fossil Bed." (Page c.) 



Figs. 4 — 6. — Braunsina cornigera, S. Buckman. 

 Bradford Abbas, " Fossil Bed." (Page c.) 



Figs. 7 — 9. — Braunsina projecta, 8. Buckman. 

 Dundry (Somerset), "Limestone and Marl Beds." From tbe late Mr. E. Wilson. (Page c.) 



Figs. 10 — 12. — Braunsina ? subquadrata, 8. Buckman. 

 Bradford Abbas, " Fossil Bed." Collection of Mr. Darell Stephens, F.G.S. (Page ci.) 



Figs. 13 — 15. — Pseudographoceras ? cariniferum, S. Buckman. 

 Bradford Abbas, "Fossil Bed." From my fatber's Collection. (Page xciii.) 



Figs. 16—18. — Platygraphoceras carbatinum, 8. Buckman. 

 Bradford Abbas, " Fossil Bed." (Page xeiv.) 



Figs. 19 — 21. — Platygraphoceras latum, S. Buckman. 

 Bradford Abbas, " Fossil Bed." (Page xciv.) 



Figs. 22 — 24. — Graphoceras debile, 8. Buckman. 

 Bradford Abbas, " Fossil Bed." Collection of Mr. D. Stephens, F.G.S. (Page xcvi.) 



Murcliisonze bemera ? 

 Figs. 25—27. — Ludwigella glevensis, 8. Buckman. 

 Cheltenham neighbourhood. Pea-grit Series ? From tbe Collection of the late Dr. Thomas 

 "Wrigbt, F.E.S. (Page lxxxix.) 



Braclfordensis bemera. 

 Figs. 28 — 30. — Ludwigella arcuata, 8. Buckman. 

 Stoke Knap (Dorset), "Building Stone." (Page lxxxix.) 



Concavi bemera. 

 Figs. 31 — 33. — Ludwigella casta, S. Buckman. 

 Stoke Knap (Dorset), "Building Stone." Collection of Mr. D. Stephens. (Page lxxxix.) 



Braclfordensis hemera ? 

 Figs. 34 — 36. — Ludwigella rugosa, 8. Buckman. 

 Stoke Knap, "Building Stone." (Page xc.) 



Concavi hemera. 

 Figs. 37 — 39. — Ludwigella tenuis, S. Buckman. 

 Stoke Kuap, " Building Stone." (Page Ixxxvii.) 



Discittv hemera. 

 Figs. 40 — 42. — Reynesia amozna, S. Buckman. 

 Bradford Abbas, "Fossil Bed." (Page ciii.) 



