II 



LIST OF FOSSILS. 



VERTEBRATA. 





LAMELLIBRANCHIATA. 





PISCES. 







.256 





40 





. ?,ni 





. 44 



— oblongus, M. and W. . . 



.258 





, 38 

 . 49 

 . 51 



GASTEROPODA. 



.260 



— multiplicatus, N. andW.. 



. 57 



VERTEBRATA. 







. 66 









. 64 



. 75 



PISCES. 



. 24 





. 83 



— micropus, N. and W 



. 91 





. 78 



— robustus, N. and W 



. 20 





. 80 

 .11?, 















. 98 



Diplodus duplicates, N. and W 



. 61 





.100 





. 62 



3. Keokuk. Group. 





Antliodus similis, N. and W 



. 41 

 . 41 



PROTOZOA. 







. 49, 



SPONGIJS. 







. 43 



Sphenopoterium obtusum, M. and W. . . 

 — compressum, M. and W 



.233 

 .234 



— sulcatus, N. and W 



Chomatodus affinis, N. and W 



. 45 

 . 54 

 . 53 



RADIATA. 







. 58 



ECHINODERMATA. 







. 56 



Cyathocrinites angulatus, M. and W. . . . 



— Saffordi, M. and W 



Zeacrinus planobrachiatus; M. and W. . 

 Onychocrinus monroensis, M. and W. . . 



ECHINOIDEA. 



.234 

 .236 

 .240 

 .244 

 ,245 



.249 





. 85 

 . 86 

 . 65 





. 66 

 . 67 

 . 68 

 . 91 



. 89 



MOLLUSCA. 







. 87 



POLYZOA. 



.415 

 .416 

 .420 





. 82 

 . 76 

 . 81 

 . 78 

 net 





— (Cochliodus) nobilis, K and TV. 88 



BRACHIOPODA. 







.104 



Camarophoria subtrigona, M. and W. . . 



.251 





105 





.253 



Psammodus semicylindricus, N. and W. 



.108 





.9,54 



— ? rliomboideus, N. and W. . . 



.110 



