SUPPLEMENT, PLATE VIII. 



Scissi hemera. 

 Figs. 1 — 3. — Lioceeas lineatum, 8. Buchman. 



Fig. 1. — Side view of a wholly septate specimen. Burton Bradstock, Dorset. 

 From the Collection of Mr. Darell Stephens, F.G-.S. (Page xl.) 



Fig. 2. — Front view, in outline. 2 a. — Section of periphery with test. 



Fig. 3. — Parts of two suture-lines. 3 a. — The same at a larger diameter. 

 3 b. — Radial curves. 



Figs. 4 — 6. — Lioceras grave, 8. Buchman. 



Fig. 4. — Portion of side view, to show concavumbilicus. Burton Bradstock. 

 From the same Collection. (Page xli.) 

 Fig. 5. — Front view, in outline. 

 Fie. 6. — Parts of suture-lines. 6 a. — Radial curve. 



Opaliniformis h emera. 



Figs. 7 — 9. — Cypholiooeras plicatum, 8. Buchman. 



Fig. 7. — Side view of a specimen with test. Haresfield Hill, Gloucestershire. 

 My Collection. (Page xlv.) 



Fig. 8. — Front view in outline. 

 Fig. 9. — Radial curve. 



Scissi hemera. 



Figs. 10 — 12. — Lioceras plicatellum, S. Buchman. 



Fig. 10.— Side view. Stinchcombe Hill, Gloucestershire. My Collection. 

 (Page xxxviii.) 



Fig. 11. — Front view, in outline. 



Fig. 12. — Radial curve, taken where costate stage is passing to striate. 



