SUPPLEMENT, PLATE XIX. 



Discitae hemera. 

 Figs. 1 — 3. — Braunsina elegantula, 8. Buckman. 

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



Figs. 4—6. — Ludwigella subobsoleta, S. Buckman. 

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



Goncavi hemera. 

 Figs. 7 — 9. — Ludwigella micra, 8. Buclcman. 

 Louse Hill, near Halfway House (Dorset). (Page lxxxix.) 



Figs. 10—12. — Ludwigella attenuata, 8. Buckman. 

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



Figs. 13 — 15. — Ludwigella vibrata, 8. Buclcman. 

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



Figs. 16 — 18. — Ludwigella callosa, 8. Buclcman. 

 Sandford Lane, Sherborne. (Page lxxxviii.) 



Date uncertain. 

 Figs. 19 — 21. — Ludwigella opaca, 8. Buclcman. 

 Locality uncertain. From my father's Collection. (Page xc.) 



Bradfordensis hemera. 

 Figs. 22 — 24. — Ludwigella blanda, 8. Buclcman. 

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



Figs. 25 — 27. — Ludwigella impolita, 8. Buclcman. 

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



Figs. 28 — 30. — Ludwigella flexilis, 8. Buclcman. 

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



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

 Louse Hill, near Halfway House (Dorset). (Page Ixxxvii.) 



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

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



DiscitdB hemera. 

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

 Locality unrecorded, but evidently Bradford Abbas, " Fossil Bed, 

 my father's Collection. (Page xci.) 



Bradfordensis hemera. 

 Figs. 40 — 42. — Ludwigella carlnata, 8. Buclcman. 

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



