PLATE XLIIL 



Fig. Pag e . 



1. Cora.vjaehdi, A.S.Woodward; tooth, outer view, twice nat. size. — 



Zone of Marsupites {Uintaa-iuns-hund) ; near SalislMiry. Dr. H. P. 

 Blackmore's Collection. 200. 



2. Ditto ; tooth, outer view, twice nat. size. — Tl)id. Dr. H. P. Blackmore's 



Collection. 200. 



;3. Ditto; tooth, outer view, twice nat. size. — Zone of Actinocamax 

 (/nadratris ; East Harnham, Salisl)nry. Di-. H. P. Blackmore's 

 (Collection. ' 200. 



4. Corax a^i)ii>!, Agassiz ; small anterior tootli, outer view, twice nat. 

 size. — Zone of Bdemnitella miicronata ; Norwich (B. M. no. P. 

 5812). 201. 



5-9. Ditto; five isolated teeth, 7 and 9 inner view, others outer view, one 

 and a half times nat. size.— Ibid. B. M. nos. 48947, ;3691G, 4895G e, 

 35G50, P. 5812^^ 201. 



10. Oxj/rJiina wa»^7Z/, Agassiz ; small tooth of uncertain position, outer 



view, one and a half times nat. size. — Chalk ; Guildford. Capron 

 (Collection (B. M. no. 49954). 203. 



11. Ditto; anterior tooth with lateral denticle, outer view, nat. size. — - 



Chalk; Sussex. Egerton Collection (B. M. no. P. 12G3). 204. 



12. Ditto; postero-lateral tooth with lateral denticle, outer view, nat. 



size. — Zowe o^ ScJiloeiibacliia variaiis ; Dover. Gardner Collection 



(B. M. no. 47255). 204. 



13. Ditto; another lateral tooth with traces of denticles, outer vieAV, nat. 



size.— Chalk; Sussex. B. M. no. P. 5403. 204. 



14. Ditto; vertebral centrum, upper view and (14a) vertical transverse 



section, nat. size, showing radiating structural plates and hollows 

 for the cartilaginous bases of the arches. — Chalk ; Sussex. Dixon 

 Collection (B.'M. no. 25939). 204. 



15. Ditto; another vertebral centrum in vertical transverse section, nat. 



size. — Zone of Holnsfcr suhglobosiifi ; Glynde, near Lewes. Capron 

 Collection (B. M. no. 49898). 204. 



IG. Oxi/rltina onctustirlens, Reuss ; anterior tooth, inner vieAV, one and a 

 half times nat. size. — Zone of Holasfer sithqlohosus ; Blue Bell Hill, 

 Burham. S. J. Hawkins Collection (B. M. no. P. 9034). 205. 



17. Ditto; anterior tooth, outer view, nat. size. — Zone oi Ilolnstrr siih- 



qloho^vx ; Hailing, Kent. Toulmin Smith Collection (B. M. no. 

 41707 />). 205. 



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



of Terehratidlna gracilis; Whyteleafe, Surrey. G. E. Dibley 

 Collection (B. M. no. P. 10050). 205. 



19. Ditto ; two associated teeth, one and a half times nat. size.^ — Zone of 



Holasfer siihqlohosns ; Glvnde, near Lewes. Capron Collection 



(B. M. no. 49948). " 205. 



20. Ditto; tooth, outer view, nat. size. — Zone of Holaster suhglobosus ; 



Blue Bell Hill, Burham. S. J. Hawkins Collection (B. M. no. P. 

 6522). 205. 



