66 F. A. BATHER, CRINOIDEA OF GOTLAND. 



case of the American species, chiefly by the descriptions of American writers. Many of 

 the species cannot be recognised from the figures or descriptions given, while some are, 

 no doubt, synonyms. The naines in brackets show to what genera the species ha ve 

 hitherto been referred. 



Castocrinus, Ringueberg. 



furcillatus, W. R. Billings, sp. (Calceocrinus) Trenton. 



articulosus, E. Billings, sp. (Heterocrinus) {Calceocrinus?, Ulrich). 



Billingsianus, Ringueberg 



incequalis, E. Billings, sp. (Heterocrinus) (Cremacrinus, Ulrich) (Calceo- 

 crinus, W. and S.) 



rugosus. W. R. Billings, sp. (Calceocrinus) » 



Euchirocrinus, Meek and Worthen. 



chrysalis, Hall, sp. (Cheirocrinus) (Calceocrinus, Hall, M. and W.) 



(Cremacrinus, Ulrich) (Procliiwcrinus, Ringueberg) Niagara. 



Barrandei, Walcott, sp. (Calceocrinus) (Cremacrinus, Ulrich). Trenton. 



punctatus, Ulrich, sp. (Cremacrinus, as type) 



indianensis, S. A. Miller, sp. (Calceocrinus).. Niagara. 



radiculus, Ringueberg, sp. (Calceocrinus) (Proclivocrinus, Ringueberg, as 



type) (Cremacrinus, Ulrich) » 



Calceocrinus, (Hall) Ringueberg. 



typus, Ringueberg 



bidentatus, Ringueberg 



contractus, Ringueberg » 



Halli, Ringueberg (Calceocrinus sp., Hall, 1852).... 



stigmatus, Hall, ,s/>. (Cheirocrinus) (Deltacrinus, Ulrich) 



(abdominalis, Salter, catalogue name (Cheirocrinus) Wenlock.) 



Fletcheri, Salter, sp. (Cheirocrinus) 



(gradatus, Salter, catalogue name (Cheirocrinus) ) 



(serialis. Salter, catalogue name (Cheirocrinus) (Pendiäorrinus, Austin 



MS.). ' ) 



gotlandicus, Angelin, sp. (Chirocrinus) (Halysiocrinus, Ulrich) Ludlow? f 



Barrisi, Worthen Hamilton. 



elarus, Hall, sp. (Cheirocrinus) (Deltacrinus, Ulrich) 



? lamellosus, Hall, sp. (Cheirocrinus) Burlington. 



Halysiocrinus (Ulrich) Bather. 



ventricosus, Hall, sjö. (Cheirocrinus) (Calceocrinus, W. and S.) 



Synn. dactyius, Hall (Cheirocrinus) (Calceocrinus, Siiumard) (Halysio- 

 crinus, Ulrich) 



Wachsmuthi, M. and W. (Cheirocrinus) (Calceocrinus, Siiumard) 



(Halysiocrinus, Ulrich) 



nodosus, Hall (Cheirocrinus) (Halysiocrinus, Ulrich) Keokuk. 



