404 PROCEEDINGS OF THE ACADEMY OP [1881. 



Crumenaecrinites Troost. Not defined. 

 C. ovaH.i Troost. Catalogue name. 



Ctenoorinus Bronn, syn. of Melocr. Goldfuss. 



C. bainbridgensis Hall, see Melocr. bainbridgensis. 



C. decadactylus Goldf., see Melocr. decadactylus. 



C. lamelloms Eichwald. Detached columns. 



C. notatus Eichwald. Detached columns. 



C. punctattts Eichwald. Columns. 



C. stellaris Roemer, see Melocr. stellaris. 



C. typus Bronn, see Melocr. typus. 



Cupellaecrinus Troost. Not defined. 



C. Buchii Troost. Catalogue name. 

 C. corrugatus Troost. Catalogue name. 

 C. inflatus Troost. Catalogue name. 

 C. Isevis Troost. Catalogue name. 

 C. magnificuB Troost. Catalogue name. 

 C. pentagonalis Troost. Catalogue name. 

 C. rosseformis Troost. Catalogue name. 

 C. stellatus Trosst. Catalogue name. 

 C. striatiis Troost. Catalogue name. 



Cyathocrinus Miller. 



C. fasciatus Hall, syn. of Macrostylocr. Meehii Lyon. 



C. tesseracontadactylus Hisinger (Salter), see Carpocr. simplex. 



Cystocrinus Roemer, Detached columns. 



C. Tennesseensis Roemer. Detached columns. 



Cytocrinus Roemer, syn. of Melocrinus Goldf. 



C. Isevis Roemer, see Melocr. Isevis. 



Daemonocrinites Troost. Not defined. , 



Decadactylocrinites Owen. Not defined. 



Bichocrinus Miinster. 



D. cornige'us Shum., syn. of Talarocr. eornigerus. 



D. elegans Cass, and Lyon (not de Kon. and Leh.), see Talarocr. elegans. 

 D. expansus Meek and Worth, (not de Kon. and Leh.), see Dichoer. poly- 



dactylus. 

 D. insularis Eichw., see Hexacr. insularis. 

 D. lachrymosus Hall, syn. of Platyr. subspinulosus Hall. 

 D. protuberans Hall, Pterotocr. protuberans. 



D. sculptus Cass, and Lyon (not de Kon. and Leh.), see Dichoer. ornatua. 

 D. septuosus de Kon., based upon detached plates. 

 D. sexlobatus Shum., see Talarocr. sezlobatus. 

 D. symmetricus Cass, and Lyon, see Talarocr. symmetricus. 



