REPORT OF THE STATE PALEONTOLOGIST 1902 1047 



Western New York 



8. eriensis 



Eastern 

 New York 



8. vanuxemi 

 biplicatus 



S. vanuxemi 



Cumberland Md. 

 etc. 



8. eriensis 



_L 



S. corallinensis 



8. vanuxemi 



S. corallinensis 



8. modestus 



8. crispus < — 



I 



V 



8. crispus 



pauciplicatus 



V 



.Sbicostatus 



8. crispus biplicatus 



Spirifer crispus 



Spirifer crispus 

 simplex 



? S. modestus ? 



Spirifer petilus 



