54 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



58. 



Meek. F. B., and Worthkx, A. H. Remarks on some types of Carboniferous Cri- 

 iioidea, witli descriptions of new Genera and Sjiecies of the same, and of one 

 Echinoid. <Proc. Acad. Nat. Sci. Phila., vol. xx, pp. 3:?5-;?.'i9. 1868. Phila- 

 delphia, 1868. 



Genera Barycrinus, Xipterocriuus. Afterward republished in the Illinois Geological Reports, 

 vol. V. 



Pape. 



Cyathoerinites, Miller 336-337 



Cyathocrinites fragUis, u. s., M. & W., 1868 337 



Cyathoerinites tenuklactylus. n. ,s., M. & W., 1868 337-338 



Barycrinus,' n. g., Wachsimith MS 338-340 



Barycrinus magnijicus, n. 8., M. &. W., 18G8 340-341 



Barycrinus hoveyi var. herculeiis, M. Sc W., 1868 34 1 



Nipterocrinvs,\ n. g., Wachsmuth, MS 341-342 



Xipterocrinus wachsmiithi, n. s.,^. & W., 1868 342-343 



Catillocrinus. Troobt 343 



Catillocrinus bradUyi, n. a. , M. & W. , 1868 343 



Dichocrimts, Munster 343 



Dichocrinus expanms, n. s., M. & W., 1868 343-344 



Dorycrimtg, K<Bnier 344-345 



Dorycrinus roemeri, n. s., M. & W., 1868 346 



Dorycrinus quinquelobus, var. intermedins, M. & W., 1866 346-347 



Amphoraevinus, Austin 347-348 



Amphoracrinus divergens. Hall, sp., 1860 348-349 



Batocrinus, Casseday 349-352 



Subgenus Eretmocrinu^, Ljon & Casseday 351 



Subgenus Alloprosallocrinus, Casseday & Lyon 352 



BatocrinuH /juasilhis. u. s., M. & VT., 1868 352-353 



Batocrinus cassedayanus, n. s., M. & W., 1868 353-354 



Batocrinus trochiscus,i\. s., M. & W., 1868 354-355 



Batocrinus (Eretmocrinus) neglectus, n. s., M. <fe W., 1868 355-356 



Pentremites, Say 356 



Pentremites {Troostocrinvs ?) woodmani, n. s., M. & W., 1868 356 



Agelacrinites Vanuxera 357 



Agelacrinites ( Lepidodisctis) squcmosus, n. s., M. & "W.. 1868 357-358 



Echinoidea 358 



Oligoporus,M. &i W 358 



Oligoporus »io6iii«, n. s., M. & W., 1868 358-359 



59. 



Meek, F. B., and Worthen, A. H. Paleontology. ^Geological Survey of Illinois, 

 vol. iii, pp. 291-."j6.'), plates 1-20. 18C.8, Springfield, 1868. 



Publislied by authority of the lejiislature of Illinois, 1868. 

 Silurian, Devonian, and Carboniferous. 



Lower Silurian Species. 



TEENTON GROUP. Page. 



Radiftta : 291 



Ech inodermata i 291 



Cystoidea 291 



Cnmaroeyxtites, Billings, 1854 291 



O. shumardi, M. & W., 1865, fig. — , p. 292, and pi. i, figs. I a,b 292-294 



O. shuinardifVav. obconunia,M. &, W., 1865, pi. i, figs. 2 a,b 294 



Mollusca 294 



LamMibranchiata 204 



Modiolopf.i«. Hall, 1847 294 



If. mndiolifonnis, n. s., M. i W., 1868, pi. i, figs. 7 b and 8 294-295 



jr. nrlhonota, n. s., M. & W., 1868, pi. i, fig. 7 a 295-296 



Cypricardites, Conrad, 1841 297 



Yanuxfmid, ISilling.s, 1858 297 



v.? dixoneneis,'M..&, W., 1866, pi. i, figs. 5 a, 6 207-298 



"fiapvi, heavy; KpiVoi', a lily. tviimjp, a washing vessel ; Kpivov, a lily. 



