PLATE XLIV. 



Fig. Page. 



1. O.i'i/rldiiti cra^sidena, Dixon ; tootli, outer and (1 a) lateral views, nat. 



size. The type specimen. — Turonian zone; Hoiigliton, Sussex. 

 Dixon Collection (B. M. no. 25823). 205. 



2. Ditto ; anterior tooth, outer and (2 a) inner views, nat. size. — Chalk ; 



Sussex. Dixon Collection (B. M. no. 2578(3). 205. 



3. Tjtimua apppiidicidata, Agassiz ; tooth, outer view, nat. size. — Chalk; 



Arundel, Sussex. Capron Collection (B. M. no. 49949). 208. 



4. Ditto; tooth, outer view, nat. size. — Zone of BelemniteUamiicronnfd; 



Norwich. Bayfield Collection (B. M. no. 48956 a). 208. 



5. Ditto ; tooth with accessory denticles, outer view, nat. size. — Chalk ; 



Greenhithe, Kent. Shatter Collection (B. M. no. P. 8597). 208. 



G. Ditto ; stout tooth, inner view, nat. size. — Zone of HoJa.^trr snlx/Joho.^tis ; 



Dover. B. M. no. 35544. ' 208. 



7. Ditto; wrinkled tooth, outer view, nat. size. — Chalk; Kent. Eo-erton 



Collection (B. M. no. P. 1280 />). ^ 208. 



8, 9. Tjamnn arniata, A. S. Woodward ; two isolated teeth, one in outer 



and (8 a) lateral view, the other in outer and (9 a) inner view, nat. 

 size. Fig. 8 is type specimen. — Zone of Jirleniuitclla vincronata ; 

 Norwicli.' Bayfield Collection (B. M. no. 4895G h). 208. 



10. Lninua semipJii'ata (Agassiz) ; tooth, outer, inner (10 rf), and lateral 



(10 ]>) views, nat. size. — Chalk; near Rochester, Kent. B. M. no. 

 43514. 209. 



11. Ditto; more posterior tooth, outer view, nat. size. — Chalk; Charing, 



Kent. Harris Collection (B. M. no. P. 327). 209. 



12. Lamiia sulcata (Geinitz) ; anterior tooth, outer and (12 a) lateral views, 



nat. size. — Chalk ; Surrey. Bowerbank Collection (B. M. no. 

 39054). 209. 



13. Ditto; more posterior tooth, outer view, nat. size. — Chalk; Lewes. 



B. M. no. P. 5402. 209. 



14. SrajxinorJii/nrhns rhapliimJoi) (Agassiz) ; anterior tooth, outer view, 



nat. size.— English Chalk. B. M. no. P. 404. 212. 



15. Ditto; anterior tooth, inner view, nat. size, Avith (15 a) portion of 



ornament of inner face enlarged four times.— Chalk; Kent. B. M. 

 no. 43080. 212. 



IG. Ditto; contorted anterior tooth, side view, nat. size. — Zone of Th'Irmni- 



fella miicrona.fa ; Norwich. B. M. no. P. 5892. 212. 



17. Ditto ; more posterior tooth, inner view, one and a half times nat. size. 



— Chalk; Shalford, near Guildford. Capron Collection (B. M. no. 

 49952). 212. 



18. Scdpanorhi/nrhus siihidafiis (Agassiz) ; anterior tooth, outer view, nat. 



size. — Zone of Holaster siilx/lohosns ; Halhng, Kent. Toulmin Smith 

 Collection (B. M. no. 41707). 213. 



19. Ditto ; anterior tooth, inner view, one and a half times nat, size. — 



Enghsh Chalk. B. M. no. P. 5758. 213. 



20. Ditto ; lateral tooth, outer view, one and a half times nat. size. — Same 



history as fig. 18. 213. 



21. Ditto ; postero-lateral tooth, outer view, one and a half times nat. size. — 



Chalk; Sussex. Dixon Collection (B. M. no. 25934). 213. 



