138 



ORGANIC REMAINS. 



Avicula expansa ? 



Pecten. 1. with concentric furrows ... 



2. another species 

 Perna 

 Ostrea. 1. an upper valve 



2. ineequalis 

 Unknown 



Rostellaria trifida (Bean, MS.) . . 



Patella latissima (Min. Conch, tab. cxxxix.) 



PL III. fig. 35. ? 

 PL V. fig. 11. 



PL V. fig. 12. 

 PL V. fig. 13. 

 PL V. fig. 18. 

 PL V. fig. 14. 



Belemnites. 1. sulcatus (Miller, G. Trans, ii. PL 8. fig. s.) 



2. gracilis ... ... PI. V. fig. 15. 



Ammonites. 1. vertebralis ?(Min. Conch.) PL IV. fig. 34.? 



2. oculatus ... ... PI. V. fig. 16. 



3. probably a young specimen PL V. fig. 17- 



4. Vernoni (Bean) ... PI. V. fig. 19. 



5. athleta ... ... PL VI. fig. 19. 



6. a large imperfect species 



Scarborough. 



Ditto. 



Ditto. 



Ditto. 



Ditto. 



Ditto. 



Ditto. 



Ditto. 



Ditto, and Ebberston ; also 



in Lincolnshire. 

 Scarborough. 

 Ditto. 

 Ditto. 

 Ditto. 

 Ditto. 



Ditto, and Ebberston. 

 Scarborough. 

 Ditto. 



ANNULOSA, CRUSTACEA, AND FISHES. 



Serpula. 1. intestinalis ... ... PL V. fig. 21. Scarborough, and in the 



cornbrash* 

 2. a tapering unattached hook-formed species, % 



with four longitudinal furrows, having [ Scarborough, (my collection.) 



some analogy to Smith's figs. 5, 6. ) 



Astacus (a didactyle claw) ... PI. V. fig. 20. Scarborough. 



Tooth of squalus ... .... PL V. fig. 22. Ditto. 



ni r>ih ,d?L -{ixh-n*! -i-2 -TgH 



f 1OT V 1 71 ( "' ! jW 



THE gray shale of Scarborough castle-hill, which represents the 

 Oxford clay of the south of England, belongs to the same great forma- 

 tion as the calcareous grit and the Kelloways rock, and, being situated 

 between them, contains several fossils which are also found in one or 

 other of those rocks. It appears to me that my a literata, sanguinolaria 

 undulata, and crassina carinata, are found in all those strata, and perhaps 

 in some others. I am not positive that the shell named ammonites ver- 

 tebralis is really identical with that in the calcareous grit ; but there can 

 be no doubt that a. athleta is repeated in the Kelloways rock. A con- 



