Dec, 1920] Cystids and Blastoids 35 



A new genus of cystids, evidently closely related to Amyg- 

 dalocystites, from the Kimmswick limestone of southeastern 

 Missouri, is named Wellerocystis. 



LIST OF SPECIES. 



Cystoidea. 

 Malocystidae. 



1. Wellerocystis kimmswickensis Gen. et sp. nov. 



Comarocystites and Echinosph.-prites in Kimmswick strata. 

 Callocystid£e. 



2. HallicystUes imago (Hall). 



8. Callocystltes jewetti elongatus Foerste. 



4. Coelocystis subglobosus (Hall). 



Cryptocrinidae. 



5. Lysocystites sculptus (Miller). 



6. Lysocystites nodosus (Hall). 

 Sphaeronitidae. 



7. Holocystites alternatus Hall. 



8. Holocystites greenvillensis Foerste. 



9. Allocystites hammelli Miller. 



GomphocystidaB. 



10. Gomphocystites indianensis Miller. 



11. Gomphocystites sp. (From the Louisville limestone.) 



12. Gomphocystites hownockeri Sp. nov. 



Edrioasteroidea. 

 Cyclocystoididae. 



Narrawayella Gen. nov. 

 Narrawayella raymondi Sp. nov. 

 Savagella Gen. nov. 



13. Savagella ornatus Savage. 



14. Cyclocystoides {^) illinoisensis Miller and Gurley. 



Blastoidea. 

 TroostoblastidaB. 



15. Troostocrinus sanctipatdensis Sp. nov. 



16. Troostocrinus reinwardti minimus Var. nov. 



17. Troostocrinus subcyllndricus (Hall and Whitfield). 



18. Troostocrinus sp. (From the Racine dolomite.) 



Crinoidea. 

 Calyptocrinidae. 



19. Crinocystites chrysalis Hall. 



Eucalyplocrinus prohoscidialis Miller. 

 Eucalyptocriuus slocomi Sp. nov. 



20. Periechocrinus cvlindricus. Foerste. 



