OF ARTS AND SCIENCES. 289 



COD ASTER, McCoy. 



C. ALTERNATUS, Lyon, Gcol. Survey of Kentucky, Vol. 3, p. 493, 



PL 3, fig. 3, a, b. Devonian. Beargrass Creek, Ky. 

 C. Americanus, Shumard, Trans. Acad. St. Louis, 1858, Vol. 1, 



No. 2, p. 239. Devonian. Falls of the Ohio. 

 C. Kentdckiensis, Shumard, 1. c. PL 9, fig. 5. Suhcarhoniferous. 



See Pentremites Kentuckieusis. 

 C. PYRAMID ATUS, Shumard, L c. p. 238, PL 9, fig. 1, a- e. Devo- 



nian. Beargrass Creek and Falls of the Ohio. 



COMAROCYSTITES, Billings, 1854, Geol. Survey of Canada, 

 Palasont., Dec. III. p. Gl. Canad. Journ. Vol. 2, p. 269. 

 GeoL Survey Rep., 1856, p. 288. 

 C. PTJNCTATUS, Billings, 1. c. PI. 5. Silurian. Trenton limestone. 



CYATHOCRINUS, Miller, 1821. 



C. BDLLATUS, Hall, lowa. Vol. 1, p. 624, PL 28, fig. 1, a. Suh- 

 carhoniferous. Keokuk limestone. 



C. COKNUTUS, Owen and Shumard, Geol. Survey of Wisconsin, 

 Iowa, and Minnesota, p. 591, PL 5 A, fig. 8, a, b. Suh- 

 carhoniferous. Burlington, Iowa. 



C. DivARiCATUS, Hall, Iowa, Vol. 1, p. 554, PL 9, fig. 5. Suhcar- 

 honiferous. Burlington limestone. 



C. (?) FLOREALis, Yandell and Shumard, Contributions, p. 24, PL 1, 

 fig. 1. Suhcarhoniferous. Greyson Co., Kentucky. 



C. GRAULIFERUS, Shumard, Red River, p. 199. Suhcarhoniferous. 



C. iNTERMEDius, Hall, lowa. Vol. 1, p. 627, PL 28, fig. 10. Suh- 

 carhoniferous. Keokuk limestone. 



C. lowENSis, Owen and Shumard, Geol. Survey of Wisconsin, 

 Iowa, and Minnesota, p. 591, PL 5 A, fig. 11, a-c. Suh- 

 carhoniferous. Burlington, Iowa. 



C. MAGisTER, Hall, Iowa, Vol. 1, p. 628, PL 28, fig. 2, a, b, 3, a, b. 

 Suhcarhoniferous. Keokuk limestone. 



C. MALVACEUS, Hall, Iowa, Vol. 1, p. 554, PL 9, fig. 4, a, b. Suh- 

 carhoniferous. Burlington limestone. 



C. (?) 31 ANiFORMis, Yandell and Shumard, Contributions, p. 25, fig. 2. 

 Suhcarhoniferous. Greyson Co., Kentucky. 



C. PENTALOBUS, Hall, lowa. Vol. 1, p. 687, PL 25, fig. 5, a, b. 

 Suhcarhoniferous. Kaskaskia limestone. 

 VOL. IV. 37 



