PLATE XIV. 



Fig. 

 1, 1, a, 2, 3, 4. Trigonia liter ata. Young and Bird. Upper Lias, Robin Hood's Bay, 



Yorkshire. (Page 64.) 



5, 6. „ angulata. Sow. Inferior Oolite, Rodborough Hill, Stroud. 



(Page 54.) 



7, 8, 9, 10. „ jlecta. Lye. Cornbrasli or Forest Marble, Thornholme, 



Appleby, Lincolnshire. (Page 55.) 



