PLATE V. 



PAGE 



Fitr. 8. Ceratites HAidingerii. 22 



10. id. 



20. Ammonites Billingsianus. 20 



'20 a. hi. 



Section of body whorl. 



22. Myacites Humboldtensis. 28 



23. Panopjea (?) Kemondii. 28 



24. Corbula Blakei. 29 



27. Avicttla muckonata. 30 



28. ? Halobia dubia. 30 



28 a. id. 



Inside of a fragment of a valve, the largest specimen collected; 

 6, part of the surface of one of the most perfect specimens ; 

 c, magnified view of the ribs. 



30. Rhynchopterus obesus. 32 



