1861.] HISLOr PLANT-BEDS OF INDIA. 35 



EXPLANATION OP PLATES I. & II, 

 Plate I. 



Specimens in Dr. Fleming's collection, and in the Geological Society's 



Museum. 



Fig. 1, 2. Terebratida (vel WaJdheimia) Fleyningii, Dav. 



3. T. bipUcata, Brocchi (?), Tar. problematica, iMv. 



4. T. subvesicularis, Dav. 



5. Eefcia radialis, Phil., rar. Grandicosfa, Dav. 



6. Athi/ris Roi/ssii, L'Eveille. 



7. 8. A. siibfilita, Hall, var. grandis, Dav. 

 9, 10. Spin/era striata, Martin. 



11-14. ISpiriferma octopHcata, Sow. 



15. Orthis resupinafa, Martin. 



16. Sfreptorhynchiis Crenistria, Phil., var. robustus, Hall. 



17. S. pectinifonniSy'Dar. 



18. Producfus striatiis, Fischer. 



19. P. lougispimis, Sow. 



20. 21. P. costatus, Sow. 



Plate II. 



Specimens collected by "W. Purdon, Esq., and now forming part of 

 Mr. Davidson's collection. 



Fig. 1. Terebrattila Hhnalat/ensis, Dav. 



2. Spin/era Moosakhaiknsis, Dav. : 2 c, a young example, 



3. S. lineata, Martin, var. :3r, Crania (?). 



4. Cavmrophoria Purdoni, Dav. 



5. Productus Purdoni, Dav, 



6. P. Humboldt li, D'Orb. 



7. Aulosteges Dalhousii, Dav. 



8. Str&phalosia Morrisiana, King (?), var. 



