1881.] NATURAL SCIENCES OF PHILADELPHIA. 399 



A. granulatus Qoldf. Detached columns. 



A. granulatus A.\xstin. Not defined. Bet Amphoracrinus. 



A. Hageri McChesney, see Batocr. Hageri. 



A. helice Hall, see Agaricocr. helice. 



A. Humboldti Troost. Catalogue name. 



A. icosidactylus Casseday, see Batoer. icosidaetylut. 



A. Indianensis Lyon and Cass., see Batocr. Indianensis. 



A. inflatus Hall, syn. of Amphoracr. spinobrachiatua. 



A. inornatus Hall, syn, of Batocr. clypeatus. 



A. insculptus Hall, see Tdeiocr. insculptus. 



A. interradiatus Angelin, syn. of Periechocr. Lindslromi. 



A. irregularis Lyon and Cass., see Batocr. irregularis. 



A. Kentuckiensis Shum., see Batocr. Kentwkiensis. 



A. Konincki Shum., see Eretmocr. Konincki, 



A. Isevis Miller. Detached columns. 



A. Isevissimus Austin. Not defined. 



A. lagina Hall, syn. of Actinocr. proboscidialia. 



A. lagunculus Hall, see Batocr. lagunculus. 



A. latus Hall, see Megisiocr. latus. 



A. laura Hall, see Batocr. laura. 



A. lepidus Hall, see Batocr. lepidus. 



A. leucosia Hall, see Eretmocr. leucosia. 



A, Uratus Hall, see Teleiocr. liratus. 



A. locellus Hall, syn. of Actinocr. reticulatus Hall. 



A. longidigitatus Angelin, see Periechocr. longidigitalus. 



A. longimanus Angelin, see Periechocrinus . 



A. longirostris Hall, see Batocr. longirostris. 



A. longispinus Austin. Not defined. 



A. major Angelin. Rhodocrinidse, genus (?). 



A. mammillatus de Koninck (Bigsby). Not seen description. 



A. matuta Hall, see Eretmocr. matuta. 



A. var. attenuata Hall, see Eretmocr. attenuata. 



A. medius Angelin. Rhodocrinidae, genus (?). 



A. Meckii Lyon^ see Macrostylocr. Meekii. 



A. minor Hall, syn. of Megistocr. brevicornis. 



A. Mississippiensis Roemer, see Dorycr. Mississippiensis. 



A. var. spiniger Meek and Worth., syn. of J). Mississippiensis. 



A. Missouriensis Shumard, see Dorycr. Missouriensis. 



A. moniliferus Qoldf. Detached columns. 



A. moniliformis Miller, see Periechocr. moniliformis. 



A Mortoni Troost. Catalogue name. 



A. multicornis Lyon, see Centrocr. mullicornis. 



A. mundulus Hall, see Batocr. mundulus. 



A. muricatus Goldf. Detached columns. 



A. multibrachiatus var. echinatus, see A. multibrachiatus. 



A. Nashvillse Troost, see Batocr. Nashvillse. 



A. var. subtractus White, see Batocr. Nashvillx. 



