PLATE XXIII. 
. Inttorina wnicarinata, Bean. ? Young of Amberleya biserta, Phillips, 
section B. Dogger, Blue Wyke. lLeckenby Collection. (Page 289.) 
. Amberleya biserta, Phillips, section B. Dogger, Blue Wyke. Jermyn Street 
Museum. (Page 288.) 
- Amberleya generalis, Mimster. ? Dundry. My Collection (Buckman). 
(Page 287.) 
. Littorina or Hehinella, species or variety. >< 13. Concavus-bed, Bradford 
Abbas. My Collection. (Page 295.) 
- Amberleya (Turbo) Milleri, Wright, MS. x 13. Coneavus-bed, Bradford 
Abbas. My Collection (Stephens). (Page 290.) 
- Amberleya (Turbo), between Amb. Milleri and Amb. turbinoides, but probably 
nearer to the latter.  1$. Concavus-bed, Bradford Abbas. My 
Collection (Stephens). (Page 290.) 
- Amberleya turbinoides, sp. nov. ? Stoford. My Collection. (Page 290.) 
- Amberleya elongata, sp. nov. Murchisone-zone, Bradford Abbas. My Col- 
lection. (Page 292.) 
. The same. ? A megalomorph. Pea-grit, Longfords. My Collection. 
- Amberleya or Littorina, species or variety. < 13. Murchisone-zone, Stoford. 
My Collection (Buckman). (Page 293.) 
- Amberleya (Turbo) Stoddarti, Tawney. Dundry. My Collection (Wright). 
(Page 291.) 
. Inttorina polytimeta, sp. nov. X 2.  Concavus-bed, Bradford Abbas. My 
Collection (Stephens). (Page 295.) 
- The same. Larger specimen, to show the increased thickening on the pillar- 
hp. ™X 13. Same horizon, locality, and Collection. 
. Littorina or Amberleya, species or variety. ? Allied to L. polytimeta. x 2. 
* Base-bed,” Lincoln. My Collection. (Page 296.) 
. Inttorina suleata, Hébert and Deslongchamps. x 2. Parkinsoni-zone, 
Bradford Abbas. My Collection (Buckman). (Page 297.) 
. Littorina Phillipsii, Morris and Lycett. x 2. Lincolnshire Limestone, 
Weldon. My Collection. (Page 296.) 
. Amberleya cf. Meriani, Goldfuss. Lincolnshire Limestone, Ponton. My 
Collection. (Page 283.) 
- Littorina Weldonis, sp. nov. X 3. Lincolnshire Limestone, Weldon. My 
Collection. (Page 297.) 
. Amberleya gemmata, Lycett. x 8. Lincolnshire Limestone, Ponton or 
Barnack. British Museum. (Page 281.) 
