common to Carboniferous and Permian Strata. 205 



List of Species occurring in Carboniferous and Permian Strata in 



Britain, 



Carboniferous Name. 

 1. Gyracanthusformosiis, Agassiz. 



2. Terehratula sacculus, Martin, 

 1809. Figured in Davidson's Mo- 

 nograph of Carboniferous Brachio- 

 poda, pi. 54. 



3. Spirifera Urii, Fleming, 1828. 

 Figured in Dav. Mon. Carb. Brach. 

 pi. 54. 



4. Spiriferina octiplicata, J. de C. 

 Sow. 1827. Figured in Mon. Carb. 

 Brach. pi. 54. 



5. C amar ophoria crumena, Msirtm, 

 1809. Figured in Mon. Carb. Brach. 

 pi. 54. 



6. Camarophoria rhomboidea, 

 PhiUips, 1836. Figured in Mon. 

 Carb. Brach. pi. 54, 



7. Atliyris Royssii, L'Eveille, 

 1835. Figured in Mon. Carb. Brach. 

 pi. 54. 



8. Discina nitida, Phillips, 1836. 

 Figured in Mon. Carb. Brach. pi. 54. 



9. Lingula mytiloides. Sow. 1812. 

 Figured in Mon. Carb. Brach. pi. 54. 



10. Fenestella plebeia, M*Coy, 

 1844. Figured in plate accompany- 

 ing present paper. 



11. Cy there elongata, Miinster, 

 1830. Jahrbuch f. Min. p. 65. 



12. Cythere inomata,M.' Coy ,\SAA. 

 Figured in Syn. Char. Carb. Foss. 

 pi. 23. 



13. Cythere {Bairdia) gracilis, 

 M'Coy, 1844. Figured in Syn. 

 Char. Carb. Foss. pi. 23. 



14. Cythere (Bairdia) plebeia, 

 Reuss (Kirkby). Figured in the 

 plate accompanying present paper. 



15. Cythere (Bairdia) Schauro- 

 thiana, Kirkby. Figured in the 

 plate accompanying present paper. 



16. Pinites Brandlingi, Lindley. 



17. Trigonocarpum Noeggerathi, 

 Brong. 



18. Sigillaria reniformis, Brong. 



19. Calamites in(Bqualis(l), Lindl. 



20. approximatus, Brong. 



Permian Name. 



G.formosus, Ag., King, in Mon. 

 Perm. Foss. England, p. 221; Howse, 

 Ann. Nat. Hist. ser. 2. vol. xix. p. 33. 



T. elongata, var. sufflata, Schloth. 

 1816. Figured in Davidson's Mono- 

 graph of Carboniferous Brachiopoda, 

 pi. 54. 



S. Clannyana, King, 1848. Fi- 

 gured in Mon. Carb. Brach. pi. 54. 



S. cristata, Schloth. 1816. Fi- 

 gured in Mon. Carb. Brach. pi. 64. 



C. Schlotheimi, Von Buch, 1834. 

 Figured in Mon. Carb. Brach. pi. 54. 



C. globulina, Phillips, \S34. Fi- 

 gured in Mon. Carb. Brach. pi. 54. 



A. pectinifera, J. de C. Sowerby, 

 1 840. Figured in Mon. Carb. Brach. 

 pi. 54. 



D. Konincki, Geinitz, 1848. Fi- 

 gured in Mon. Carb. Brach. pi. 54. 



L. Credneri, Geinitz, 1848. Fi- 

 gured in Mon. Carb. Brach. pi. 54. 



L. retiformis, Schloth. 1816-17. 

 Figured in the plate accompanying 

 present paper. 



C. elongata, Miinster (Jones). Fi- 

 gured in Mon, Perm. Foss. pi. 18; 

 and Trans. Tyne. Field Club, vol. iv. 

 pi. 11. 



C. inornata, M'Coy (Jones). Fi- 

 gured in Mon. Perm. Foss. pi. 18; 

 Trans. Tyne. Field Club, vol. iv. pi. 1 1 . 



C. (Bairdia) gracilis, M*Coy 

 (Jones). Figured in Mon. Perm. 

 Foss. pi. 18; and Trans. Tyne. Field 

 Club, vol. iv. pi. 11. 



C. (Bairdia) plebeia, Reuss. Fi- 

 gured in the plate accompanying 

 present paper. 



C. (Bairdia) Schaurothiana, Kirk- 

 by. Figured in the plate accompa- 

 nying present paper. 



For the occurrence of these spe- 

 cies in the Rothliegende, see Howse 

 on tlie Permian Fossils of North- 

 umberland and Durham, in Annals 

 Nat. Hist. ser. 2. vol. xix. p. 38. 



