1881.] NATURAL SCIENCES OF PHILADELPHIA. 403 



Astropodia Ure, see Platycrinus. 



Balanocrinus Troost (not Agassiz), syn. of Lampterocrinus. 

 B. inflalus Hall, see Lampterocr. injlatut. 

 B. sculptus Troost, syn of Lampterocr. tennesseensis Roemer. 



Batoorinus Casseday. 



B. asteriscus Hall (Meek and Worth.), syn. of Batocr. lequibrachiatus. 



B. clavigerus Hall (M. and W.), syn. of Batocr. clavigerus. 



B. doris Hall (M. and W.), syn. of Batocr. xqualis. 



B. formosus Hall (M. and W.), syn. of Batocr. clypeatus. 



B. inornatus Hall (M. and W.), syn. of Batocr. clypeatus. 



B. Konincki Shum^ir A (M. and W.), see Eretmocr. Konincki. 



B. subsequalis McChesney (M. and W.), syn. of Batocr. clypeatus. 



B. urnse/ormis Hall (M. and W.), see Eretmoer. urnseformis. 



Brachiocrinas Hall. Based on detached arm fragments. 



B. nodosarius Hall. Arm fragments. 



Cacabocrinus Troost, syn. of Dolatocrinus. 



C. glyptus Hall, see Dolatocr. glyptus. 



C. var. intermedius Hall, see Dolatocr. glyptus. 



C. lamellosus Hall, see Dolatocr. lamellosut. 

 C. liratv^ Hall, see Dolatocr. liratus. 



C. var. multilira Hall, syn. of Dolatocr. liratus. 



C. speciosus Hall, see Dolatocr. speciosus. 

 C. Troosti Hall, see Dolatocr. Troosti. 



Calathocrinus Hall (not von Meyer), syn. of Teleiocrinus . 



Castanocrinus Roemer, syn. of Melocrinus Goldfuss. 



Centroorinus Austin (not Wachsm. and Spr.), syn. of Platycrinus. 



Coelocrinus Meek and Worth, (not Coelioer. White), syn. of Dorycrinus. 

 C. concavus M. and Worth., see Dorycr. concavus. 



Clonoorinus Oehlert. (not Quenst.), syn. of Melocrinus. 

 C. Bigshyi Oehlert., see Melocr. Bigsbyi. 



Condylocrinas Eichwald, see doubtful genera. 



Conocrinites Troost. Not defined. 



C. Lese, Troost. Catalogue name. 



C. tuberculosus Troost. Catalogue ©ame... 



Cophinus Koenig. Detached ccdumns. 



Coroaocrinus Hall, see Hadrocr. (Doubtful genera.) 

 C. polydactylus Hall. Small fragmentary pieces. 



