PLATE XII. 



CRETACEOUS SPECIES. 



Fig. 



1 to 5. Rhynchonella limbata, Sc/ilot/teim, 1813 {Ter. sub-plicata, Man tell. Different 



varieties, from the Chalk Norwich. Figs. 

 4 — 5. Var. lentiformis, Woodward, 

 lineolata, Phillips. Drawn from the orginal example, from the 



Speeton Clay, Yorkshire. 

 „ „ Enlarged. 



,, ,, Small variety or race. Upper Green Sand, 



Cambridge. 

 „ Gibbsiana, Sow. Lower Green Sand, Isle of Wight 



,, „ Slightly enlarged, from Plnckley, Kent. 



„ ,, Another example ; nat. size. 



parvirostris, Soto. Figs. 13, adult; 14, young; from the Lower 



Green Sand, Isle of Wight. 

 „ Martini, Mantell (== Ter. pisim, Sow.). A typical shape, from 



the Gray Chalk, Folkstone. 

 Enlarged. 

 „ ,, Chalk detritus, Charing. 



,, ,, Enlarged. 



,, Upper Green Sand, Warminster. 



„ Grasiana, D' Orb. Upper Green Sand, Warminster; tig. 18 



enlarged. 

 ,, „ Warminster. 



Enlarged. 

 Mantelliana, Sow. Lower Chalk, Folkstone. 

 „ ,, Upper Green Sand, near Warminster. 



„ ,, ? Lower Chalk, near Lewes. 



,, latissima, Sow. A very remarkable specimen, from the Chloritic 



Marls of Chardstock. 

 25. „ compressa, Lamarck. Ibid. 



6 fl V 



Q cd . 

 7 to 10 



11. 



12". 

 12 c . 



13, 14. 



15. 



15"*. 

 W ab . 

 Iff. 

 16 d . 

 17, 18. 



19 abr . 



19''. 



20, 21. 



22. 



23. 



24. 



