1879.] NATURAL SCIENCES OP PHILADELPHIA. 313 



F. Shnmardianus Hall, see Taxocr. Shumardianus. 

 F. T/tiemei Hall, see Taxocr. Thiemei. 



F. Whitfieldi Hall, see Taxocr. Whitfieldi. 



Grammocrinus Eichwald. Founded on fragments of column. 



G. lineatus Eichw. Columns. 

 G. clatkratus Eichw. Columns. 



Graphiocrhius DeKon. & Leh. 



G. dactylus Hall, see Pot. (Scytalocr.) dactylus. 



G. quatuordecimbrachiatus Lyon, see Eupachycr. quatuordecimbrachiatus. 



Herpetocrinus Salter, see Myelodactylus. 



Heterocrinus Hall. 



H. canadensis Bill., syn. of Heterocr. simplex Hall. 



H. crassus M. & W., locr. crassus. 



H. gracilis Hall. Pieces of column. 



H. incuri-us M. & W ., see Anomalocr. incurvus. 



H. polyxo Hail, syn. of locr. subcrassus. 



H. subcrassus M. & W., see Jocr. subcrassus. 



Homocrinus Hall. 



H. angvstatus M. <fc W., see Dendrocr. angustatus. 

 H. polydactylus Shum. Dendrocr. jwlydactylus. 



Hybocrinus Billings. 



H. incurvus M. & W., see Anomalocr. incurvus. 



Hydreionocrinus De Koninck. 



H. globularis De Kon., see Eupachycr. globnlaris. 

 H. verrucosus White, see Eupachycr. verrucosus. 



Hydriocrinus Trautschold, syn. of Scaphiocrinus. 

 H. j)iisilli(s, see Scaphiocr. pusillus. 



Ichthyocrinus Conrad. 



I. Icevis Angl. (not Conr. ), see Ichthyocr. Gollandicus. 



I. tesseraconUidactylus D'Orb., see Pionocr. tesseracontadactylus. 



Isocrinus Phill. (not Von Meyer), see Taxocrinus. 

 Lecanocrinus Hall. 



L. elegans Bill. Perhaps Taxocrinus ? 



L. lavis Bill. Too imperfect for identification. 



L. macropetalus Angl. (not Hall), see Auisocr. Angelini. 



L. simplex Hall, see Ichthyocr. simplex. 



Lecythocrinus Joh. Muller, see Lecythocrinns Zittel. 

 L. eifelensis Mull., see Lecythocr. briarens Schultze. 



Pachycrinus Eichwald. Fragments of column. 

 P. )iotatits Eichw. Fragments of column. 



Palaeocrinus Billings, syn. for Cyathocrinus. 



P. angulatus Bill., see Cyathocr. angulatiis. 



