PLATE V. 



PAGE 



Fig. 8. CERATITES HAIDINGKRII. 22 



10. id. 



20. AMMONITES BILLINGSIANUS. 26 



20 a. id. 



- Section of body whorl. 



22. MYACITES HUMBOLDTENSIS. 28 



23. PANOP^EA (?) KEMONDII. 28 



24. COKBULA BLAKEI. 29 



27. AVICULA MUCRONATA. 30 



28. ? HALOBIA DUBIA. 30 



28 a. id. 



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

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

 c, magnified view of the ribs. 







30. KHYNCHOPTERUS OBESUS. 32 



