PLATE XL 



Spathella munda, n. sp. (Page 115.) 



Fig. 

 1, 2. Casts of the right and left valves, showing the punctated umbo and the 

 anterior muscle-scar, X 2. Frankmarsh. My Collection. 



Edmondia ? Hamlingii, n. sp. (Page 82.) 



3. Specimen, showing the surface and the position of the umbo. Rolled block 



from Saunton Point. Hamling Collection. 



CucuLL^A unilaterlis, Sowevhij (Page 109.) 



4. A young shell, between varieties unilateralis and amygdalina. Marwood. 



Woodwardian Museum. 



5. Flat specimen of the variety Hardingii. Sloly. Barnstaple Athenaeum. 



6. Rather flat specimen, between varieties unilateralis and amygdalina. Braunton. 



Hamling Collection. 



7. Small, deep, and very inequivalved specimen, between the varieties angusta 



and unilateralis. Marwood. Woodwardian Museum. 



8. Very deep specimen with very large umbo, exceeding the variety unilateralis. 



Marwood. Woodwardian Museum. 



9. The hinge of a specimen of var. amygdalina, drawn obliquely to show the teeth 



which are nearly transverse, but slope slightly upwards from each side of 

 the umbo. Baggy Point. Barnstaple Athengeum. 



10. Specimen, beyond variety unilateralis in obliquity and the large size of the 



umbo. Braunton. Hamling Collection. 



11. Specimen, between varieties angusta and trapezium, and differing from them 



in the large size of its umbo. Sloly. Barnstaple Athengeum. 



12. Specimen, beyond v aviet j amygdalina in depth and transverseness. Marwood. 



Woodwardian Museum. 



13. Cast of extreme variety beyond trapezium in obliquity, with very elongate 



and distant umbones, showing anterior muscle-scars. Barnstaple. Wood- 

 wardian Museum. 



CucuLLJiiA DEPEESSA, PMlHps. (Page 111.) 



14. Specimen showing the pallial line, the impression of the hinge, and two or 



three faint rays near the inferior margin. Marwood. Woodwardian 

 Museum. 



