1881.] NATURAL SCIENCES OF PHILADELPHIA. 405 



Dimerocrinus Phillips. 



D. icosidactylus Phill., see Eucrinus icosidactylus . 

 D. oligoptilus Pacht. = Taxocrinus oligoptilus. 



Dimorpliocrinus d'Orbiguy, (Pentremites). 



D. pentangularis d'Orb., in part Platycr. [?) pentangular is Miller. 



Doliolocrinus Troost. Not defined. 



Donacicrinites Troost. Not defined. 



D. simplex Troost. Catalogue name. 



Echinus dubius Schlotheim, see Actinocr. Isevis, Miller. 



Edwardsocrinus d'Orbigny, syn of Platycrinus. 



E. ornatus McCoy, see Platycr. ornatus. 



Eucalyptocrinus rosaceus Hisinger (not Goldf.), see Marsupiocr. rosaceus. 

 Eucrinus Angelin. 



E. minor Angelin, see Anthemocr. minor. 



E. vetiusius Angelin, see Anthemocr. venustus. 



Eugeniacrinites hexagonus Miinster, see Platycr. spinosus Quenstadt. 

 Forbesiocrinus Pratteni McChesney, see Melocr. Pratteni {?). 

 Geocrinus d'Orbigny, syn. of Periechocrinus. 



G. moniliformis Miller, see Periechocr . moniliformis. 



Gilbertsocrinus Phillips, syn. of Ollacrinus Cumberland. 

 G. bursa Phill., see Ollacr. bursa. 

 G. calcaratus Phill., see Ollacr. calcaratus. 

 G. fiscellus Meek and AVorth., see Ollacr. fiscellus 

 G. mammillaris Phill., see Ollacr. mamillaris. 

 G. simplex Portlock, see Ollacr. simplex. 



Glosterocrinus Hall. Not sufficiently defined. 



G. elongatus Hall A very imperfect specimen. 



Glypytocrinus Hall. 



G. armosus McChesney. Described from casts. 



G. Baeri Meek, see Reteocr. Baeri. 



G. basalis McCoy. Insufficiently described. 



G. Carleyi Hall, see Mariacr. Carleyi. 



G. cognatus S. A. Miller, see Reteocr. cognatus. 



G. Dyeri var. subglobosus Meek, see Glyptocr. subglobosus. 



G. ezpansus Phill. (d'Orb.), see Sagenocr. expansus. 



G. gracilis Wetherby, see Reteocr. gracilis 



G. lacunosus Billings, see Archseocr. lacunosus. 



