PLATE XLI. 



Fig. 

 I, I a, 2, 3. Trigonia Snaintonensis, Lye. Passage Beds of the Lower Calcareous 



Grit, Snainton, near Scarborough. (Page 198.) 

 Coll. Hudlestoii. 

 4. „ Blakei, Lye. Passage Beds of the Lower Calcareous Grit, 



Snainton, near Scarborough. (Page 205.) Coll. 

 Hudleston. 

 ,, debilis, Lye. Chloritic Marls, Dunscombe Cliffs. See also 



Plate XL, fig. 8. (Page 189.) My collection. 

 ,, Myo'phoria postera, Quenst. The left valve, natural size. 



Rhoetie Limestone, near Ilminster. 

 (Page 215.) Coll. Moore. 

 „ ,, ,, The same valve, enlarged. 



,, ,, „ The right valve, natural size. Coll. 



Moore. 

 „ „ „ The right valve, enlarged. 



,, imbricata, Sow. Fullers Earth, Stroud. See also Plate VI, 

 figs. 5 «, b; and Plate XXXVI, figs. 9, 10. 

 (Page 33.) Coll. Witchell. 

 18, 13 a. „ ? modesta, Tate. Natural size and enlarged. Lower Lias, 



Warter's Bay, near Whitby. (Page 212.) 

 Coll. Rev. J. F. Blake. 



14. „ Dunscombensis,~Lyc. Chloritic Marls, Dunscombe Cliffs, South 



Devon. See also Plate XL, fig. 5. 

 (Page 188.) My collection. 



15, IG. „ Meyeri, Lye. Chloritic Marls, Dunscombe CHfFs. See also 



Plate XXIII, fig. 6. (Page 125.) My collection. 

 17. „ costiffera,\jyc. Chloritic Marls, Dunscombe Cliffs. (Page 205.) 



My collection. 



5. 







6, 



8. 





6 



a, 8 



n. 



7, 



9, 





7 



a, 9 



a. 



0, 



11, 



12. 



