SUPPLEMENT, PLATE XXVIII. 



Fig. 



1 — 3. Bhynchonella varians, var. Smitkii, Walker. 1. Fuller's Earth, near Bath. 2. Fuller's Earth 



Rock, Whatley Church, Frome. 3. Fuller's Earth, Crammon, Somerset. 



Collection of Author. (P. 213.) 

 3a, 3b. „ „ Schloth. Kelloway Rock, Scarborough. Collection of Author. (P. 212.) 



4. „ „ Oxford Clay, Oxford Castle. Oxford Museum. (P. 212.) 



5 — 7. ,, „ var. spathica, Lam. Oxford Clay. 5. St. Clement's, Oxford Museum. 



6, 7. St. Clement's and Somertown, near Oxford. Collection of Mr. J. 



Parker. (P. 214.) 

 8 — 11. „ „ var. socialis, Phillips. Kelloway Rock, Scarborough Castle. 8. After 



Phillips, ' Geol. York,' pi. vi, fig. 8. 9. Profile view of a larger 



example. 10, 11. Usual size. (P. 214.) . 



12. „ „ After the original figure of T. varians referred to by Schlotheim, 'Encycl. 



Meth.,' pi. 241, fig. 5 a, b. (P. 212.) 



13. „ „ Lower Calcareous Grit, Filey, Yorkshire coast. (P. 212.) 



14 — 16. „ ., var. Thurmani, Volts. 14. A large specimen. Lower Calcareous Grit, 



Castle Howard, Yorkshire. Collection of Mr. J. F. Walker. 15. Lower 

 Calcareous Grit, Filey, Yorkshire. 16. Another specimen, passing into 

 R. Leedsii. (P. 215.) 



17. „ Leedsii, Walker. Cornbrash, Scarborough. Leckenby Collection, Woodwardian 



Museum, Cambridge. (P. 216.) 



18, 19. „ Amalthei, Quenstedt. 18. Middle Lias, zone of Am. spinatus, Thenford, near 



Banbury. Collection of Mr. E. W. Walford. 19. Middle Lias, South 

 Petherton, near Ilminster. Collection of Mr. E. W. Walford. (P. 201.) 



20. „ 1 var. A. Am. communis zone, Upper Lias, Churchdown, Somerset (Smithe). 



Collection of Author. (P. 201.) 



21. „ 1 var. B. A. margaritatus zone, Middle Lias, Churchdown, Somerset. 



(P. 201.) 



22. „ Glevensis, Smithe, MS. Am. angulatus zone, Lower Lias, Churchdown. Collection 



of Author. (P. 221.) 



23. ,, egretta, E. Desl. Middle Lias, Chideock. Museum of School of Mines, London. 



(P. 216.) 

 24 — 32. „ calcicosta, Quenstedt. Different variations in shape from Lower Lias of Churchdown 



and Stonehouse. 25. From Middle Lias, Huntcliff, Yorkshire. Col- 

 lection of Professor Tate. 31, 32. Zone of Am. margaritatus, Middle 

 Lias, Undercliff, Yorkshire. (P. 220.) 



33. ,, „ After Quenstedt. Original figure in ' Handbuch,' tab. xxxvi, figs. 6, 7. 



(P. 221.) 



34. „ plicatissima, Quenstedt. After Quenstedt's figure, ' Handbuch,' pi. xxxvi, fig. 3, 



given here for comparison and reference. (P. 221.) 



35. 36. „ triplicosa, v&v.juvenis, Quenst. These specimens agree exactly with those figured 



by Quenstedt. Lower Lias, Stonehouse. (P. 211.) 



37, 38. ,, oxynoti, Quenstedt. Lower Lias, Aston cutting. These agree with the German 



types. (P. 210.) 



39 — 41. „ fodinalis, Tate. 39, 40. Middle Lias, Eston, Yorkshire. Tate's figured types. 



41. A large, fine example from Middle Lias zone of Am. spinatus, King's 

 Sutton, near Banbury. Collection of Mr. Beesley. (P. 206.) 



42 — 44. „ stib-obsoleta, Dav. Oolitic Marl (Inferior Oolite), Cleeve Hill, Cheltenham. Collec- 



tion of Professor R. Tate. (P. 207.) 



45. „ Tatei, Dav. Oolitic Marl (Inferior Oolite), Seven Springs, Cubberfield, south side 



of Ravensgale Hall, Cheltenham. (P. 218.) 



