﻿PLATE XXIX. 



Fig. 



1, 2, 3. Trigonia denticulata, Ag. Inf. Oolite, grey limestone. Cloughton, near 



Scarborough. (Page 152.) My collection. 



4. „ „ Id. Small variety. Great Oolite, South Lincolnshire. 



My collection. 



5, 6, 7. 8. „ costaia, Sow. The typical form. Inf. Oolite, Bradford Abbas. 



(Page 147.) My collection. 

 9, 10. „ „ var. lata, Lyc. Inf. Oolite. (Page 149.) Cotteswold 



Hills. My collection. 



11, 12. „ formosa var. lata, Lyc. Inf. Oolite, Bradford Abbas. See also 



PI. XXXV, fig. 7. (Pages 35, 202.) My collection. 



