﻿PLATE XXIII. 



Fig. 



1. Littorina unicarinata, Bean. ? Young of Amherleya biserta, Phillips, 



section B. Dogger, Blue Wyke. Leckenby Collection. (Page 289.) 



2. Amherleya biserta, Phillips, section B. Dogger, Blue Wyke. Jermyn Street 



Museum. (Page 288.) 



3. Amherleya generalis, Miinster. ? Dundry. My Collection (Buckman). 



(Page 287.) 



4. Littorina or Echinella, species or variety. X If. Concavus-hed, Bradford 



Abbas. My Collection. (Page 295.) 



5. Amherleya (Turbo) Milleri, Wright, MS. X If. Concavus-hed, Bradford 



Abbas. My Collection (Stephens). (Page 290.) 



6. Amherleya (Turbo), between Amb. Milleri and Amb. turbinoides, but probably 



nearer to the latter. X If . Concavus-hed, Bradford Abbas. My 

 Collection (Stephens). (Page 290.) 



7. Amherleya turbinoides, sp. nov. ? Stoford. My Collection. (Page 290.) 



8. Amherleya elongata, sp. nov. Murcliisonse-zone, Bradford Abbas. My Col- 



lection. (Page 292.) 



9. The same. ? A megalomorph. Pea-grit, Longfords. My Collection. 



10. Amherleya or Littorina, species or variety. X If- Murchisonse-zone, Stoford. 



My Collection (Buckman). (Page 293.) 



11. Amherleya (Turbo) Stoddarti, Tawney. Dundry. My Collection (Wright). 



(Page 291.) 



12. Littorina polytimeta, sp. nov. X 2. Concavus-hed, Bradford Abbas. My 



Collection (Stephens). (Page 295.) 



13. The same. Larger specimen, to show the increased thickening on the pillar- 



lip. X 1^-. Same horizon, locality, and Collection. 



14. Littorina or , I m-herleya,, species or variety. ? Allied to L. ■polytimeta. X 2. 



" Base-bed," Lincoln. My Collection. (Page 296.) 



15. Littorina sulcata, Hebert and Deslongchamps. X 2. Parkins ofd-zone, 



Bradford Abbas. My Collection (Buckman). (Page 297.) 



16. Littorina Phillipsii, Morris and Lycett. X 2. Lincolnshire Limestone, 



Weldon. My Collection. (Page 296.) 



17. Amherleya, cf. Meriaui, Goldfuss. Lincolnshire Limestone, Ponton. My 



Collection. (Page 283.) 



18. Littorina Weldonis, sp. nov. X 3. Lincolnshire Limestone, Weldon. My 



Collection. (Page 297.) 



19. Amherleya gemmata, Lycett. X 3. Lincolnshire Limestone, Ponton or 



Barnack. British Museum. (Page 281.) 



