SUPPLEMENT, PLATE XL 



Scissi hemera. 

 Figs. 1 — 3. — Rhaeboceeas toutum, S. Buckman. 

 Fig. 1.— Side view. Burton Bradstock. Collected by Mr. Darell Stephens, F.G-.S. (Page Ixxiii.) 

 Fig. 2. — Whorl-section. 

 Fig. 3. — Radial-lines. 



Figs. 4 — 6. — Rh^bocebas tolutabitjm (Dumorlier) . 

 Fig. 4. — Side view. Burton Bradstock. Collected by Mr. Darell Stephens, F.G.S. (Page Ixxiii.) 

 Fig. 5. — Whorl-section. 

 Figs. 6, 6 a. — Radial-lines. 



Murclusonse hemera. 

 Figs. 7 — 9. — Ancolioceeas cabinifebum, 5. Buckman. 

 Fig. 7. — Side view. Mapperton, near Beaminster. (Page xlvii.) 

 Fig. S. — Whorl-section. 

 Fig. 9. — Radial-lines. 



Figs. 10 — 12. — Geyebia ? evebtens, 8. Buckman. 

 Fig. 10.— Side view. Mapperton, near Beaminster. (Page 1.) 

 Fig. 11. — Front view, outline. 

 Fig. 12. — Suture-lines. 12 a, b. — Radial curves. 



Figs. 13—15. — Ltjdwigia l^vigata, S. Buckman. 

 Fig. 13. — Side view (portion). " Bottom Bed," Stoke Knap, near Broad Windsor, Dorset. 

 (Page lxxii.) 



Fig. 14. — Whorl-section. 



Fig. 15. — Suture-line. 15 a. — Radial curve. 



Figs. 16 — 18. — Crickia beflua, S. Buckman. 

 Fig. 16. — Side view. Broad Windsor, Dorset. Collected by Mr. Darell Stephens, F.G.S. 

 (Page lxxiv.) 



Fig. 17. — Whorl-section. 



Fig. 18. — Suture-line. 18 a. — Radial curve. 



Figs. 19 — 21. — Pseudogbaphoceeas litebatum, S. Buckman. 

 Fig. 19. — Side view of a specimen with test. Paving Bed, Bradford Abbas, Dorset. Collected 

 by Mr. D. Stephens, F.G.S. 

 Fig. 20.— Whorl-section. 

 Figs. 21, 21a. — Radial curves. 



Bradfordensis hemera. 

 Figs. 22 — 24. — Pseudogbaphoceeas deletum, S. Buckman. 

 Fig. 22.— Side view of a specimen with test. Bradford Abbas, Dorset, probably from marly 

 stone just above the Paving Bed. 

 Fig. 23.— Whorl-section. 

 Figs. 24, 24 a. — Radial curves. 



Murchisonx hemera. 

 Figs. 25 — 27. — Manselia subfalcata, S. Buckman. 

 Fig. 25. — Side view of a specimen without test. Halfway House, near Sherborne, Dorset. 

 Collected by Mr. Darell Stephens. (Page lviii.) 

 Fig. 26.— Whorl-section. 



Fig. 27. — Suture-lines. 27a. Radial-line. (The middle portion should be nearer to the straight 

 line.) 



Figs. 28— 36.— Radial lines. 

 Fig. 28. — Asthenoceras nannodes, PI. XXXIII, figs. 15, 16. 

 Fig. 2V.—Ludwigina paiula, PI. Ill, fi«. 3. 

 Fig. 30.— Ludwigia tuberculata, PI. Ill, tigs. 4, 5. 

 Fig. Zl.— Witshireia gigantea, PI. XI, fig. 1. 

 Fig. "&2.— Wehchia pagana, PI. XII, figs. 5, 6, 7. (Page Hi.) 

 Fig. 33. — Apedogyria plati/chora,T?\. V. 

 Fig. M.—BrasiJina Baylii, PI. ] II, fig. 6. 

 Fig. 35.— Brasilia decipiens, PI. XII, figs. 8, 9. 

 Fig. 36. — Brasilia similis, PI. XV, tigs. 1, 2. 



Tnc references denote the specimens from which the radial lines have been taken. 

 All the specimens are in my Collection. 



