PLATE V. 



PAGE 



Fig. 8. Ceratites, Haidingerii. 22 



10. id. 



20. Ammonites Billingsianus. 26 



20 n. id. 



Section of body whorl. 



22. Myacites Humboldtensis. 28 



23. Panop.ea (?) Kemondii. 28 



24. Corbula Blakei. 29 



27. avicula mjk'ronata. 30 



28. ? Halobia ihtbia. 30 



28 a. id. 



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

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

 c, magnified view of the ribs. 



30. Khynchopterus obesus. 32 



