EXPLANATION OF PLATE 13. 



Fig. 1.— Vrosyca robusta, n. sp. Nat. size. 

 Fig. 2.—Turritella conica, n. sp. Xl%. 

 Fig. 3. — Tritonium impressum, n. sp. Nat. size. 

 Fig. 4. — Tritonium eocenicum, n. sp. X2. 

 Fig. 5.— Ficopsis angviatus, n. sp. X2. 

 Fig. 6. — Tritonium pulchrum. Nat. size. 

 Fig. 7. — Fttsws aequilateralis, n. sp. Xl%. 

 Fig. S.—Bullimihi subglobosa, n. sp. X2. 

 Fig. 9. — Perissolax tricarnatus, n. sp. Nat. size. 

 Fig. 10.— Actaeon lawsoni, n. sp. X3. 

 Fig. 11.— Cancer (?), sp. Nat. size. 



