SUPPLEMENT, PLATE II. 



Lilli hemera. 

 Figs. 1, 2. — Denckmannia ? iserensis (Oppel). 



Fig. 1. — Side view of a fragment found in the Upper Leda-ovmn-beds at 

 Moulton, near Northampton, by Mr. B. Thompson, F.G.S. In his Collection. 

 (Page xvii.) 



Fig. 2. — Outline of the whorl-section, one side restored. 



Figs. 3, 4. — Lillia narbonensis, S. Buckman. 



Fig. 3. — Side view of a very inferior fragment reduced one-half natural size. 

 From the Upper Leda-ovum-beds, Moulton. Collection of Mr. B. Thompson, 

 F.G.S. (Page xiv.) 



Fig. 4. — Outline of the whorl-section, natural size. 



Variabilis hemera. 

 Figs. 5 — 7. — Haugia navis (Dumortier). 



Fig. 5. — Side view of a somewhat poorly preserved wholly septate specimen. 

 From the so-called " Upper Lias," Winsmoor Hill, Barrington, Somerset. My 

 Collection. (Page xxii.) 



Fig. 6. — Front view. 



Fig. 7. — Parts of two consecutive suture-lines. 



Figs. 8 — 10. — Haugia compressa, S. Buckman. 



Fig. 8. — Side view of a wholly septate specimen. From a bluish-green marl 

 usually called " Upper Lias." The Waterworks, Chalford, Gloucestershire. My 

 Collection. (Page xxvii.) 



Fig. 9. — Front view. 



Fig. 10. — Radial curve. 1 



Fig. 11. — Haugia grandis, 8. Buckman. 



Fig. 11. — Radial curve of the shell figured in PI. XXIII, figs. 14, 15. 

 (Page xxvi.) 



1 The curve in the septicarinate spines is followed up to, but is not continued over, the carina. 



