WRITINGS OF F. B. MEEK AND A. II. WORTHEN. 57 



Edriocrinus, Hall, 1859 370 



E. pocilli/ormis, Ha)l, 1859, pi. vii, figs. 5a,b 370-371 



MoUusca 371 



Brachiopoda 371 



Orthis, Dalman, 1828 371 



O. hybrida, Sowerby 2 1839, pi. vii, figs. 7 a-d 371-372 



O. subearinata. Hall, 1857, pi. vii, figs. 6 a-d 373-374 



Strophomena, Rafinesque, 1820 374 



is. (Strophodonia) caoumbona, Hall ? 1857, pi. vii, fig. 10 a, 6 374-37G 



ilerista, Suess, 1851 ■ 376 



M. Icevis, Vanuxem? ep., 1843, pi. vii, figs. 8 a, c 376-377 



Zijgospira, Hall, 1862 377-380 



Z. subconcava, n. s., M. & W., 1808, pi. vii, fig. 1 a-d 380-301 



Trematospira, Hall, 1859 381 



T. ? iwbricata. Hall, 1857, pi. vii, fig. 2 a-e 381-382 



Cyrtina, Davidson, 1858 383 



C. dalmani, Hall, sp., 1857, pi. vii, figs. 3 a,b 383 



(Spin/er, Sowerby, 1815 384 



Subgenus Trigonotrcta, Kcenig, 1825 384 



S. perlamellosus, Hall, 1857, pi. vii, figs. 9 a,b 384 



Gasteropoda 384 



I'latyceras, Conrad, ISiO 384-387 



P. subundatum, n. s., M. & W., 1868, pi. vii, figs. 13 a, &, and 14 a,b 387-388 



P. spirale, Hall, 1859, pi. vii, fig 12 a-c 389 



P. ( Orthonychia) pyramidatum. Hall ? 1859, pi. vii, fig. 11 389-390 



Ariiculata 390 



Crustacea 390 



Acidatpis, Murchison, 1839 390 



Acidaspis hamata, Conrad, sp., 1841, pi. vii, fig. 15 390-391 



Dalmanites, Auct 391 



D. tridenti/erus, Shumard, 1855, pi. vii, fig. 16 391-392 



Devonian Species, 

 fossils of the 0ri8kany group. 



Mollusca 3^ 



Brachiopoda 393 



Leptcena, Dalman, 1827 393 



L.? nucleata, Hall, 1859, pi. viii, figs. 8 a-d 393-394 



Rhynchonella, Fischer, 1809 394 



R. speciosa. Hall, 1857, pi. viii, fig. 9 394-395 



i;a«onia, Hall, 1857 395 



E. peculiaris, Conrad, sp., 1841, pi. viii, figs. 2 a-d 395-396 



Leptocotlia. B.a\\, 1857 397 



L.flabellUes, Conrad, sp., 1841, pi, viii, figs. 3 o-c 397-398 



Spirifer, Sowerby, 1815 398 



Subgeuus Trigonotreta, Ktienig 1825 398 



S. engelmanni, n. s., M. & W., 18C8, pi. viii, figs. 5 a-d 398-399 



.v. hemicyclus, u. s., M. &. W., 1868, pi. viii, figs. 6 a-d, and 1 a,b? 399-101 



Pensselceria, UM, \859 401 



R. condoni, McCbesney, 1861, pi. viii, figs. 4a,b 401-402 



Stricklandinia, Billings, 1863 - 402 



S. eiongofa var.ci//-ta, M. <S:W., 1808, pi. viii, figs. 1 a-c, and pi. ix, fig. 5 ? 402-404 



Gasteropoda 404 



Strophostylus,'B.aM,\?,5'^ 404 



S. cancellatus, n. s., M. & W., 1868, p. 404, figs, and pi. viii, fig. 12 (11 a, 6 .?) 404-405 



Platyccras, Conrad, 1840 406 



P. spirale, Hall? 1859, pi. viii, flg. 10 40fi 



FOSSILS OF THE CORNIKEROUS GROUP. 



Radiata 407 



Zoophyta 407 



Pleurodictyum, Goldfuss, 1829 407 



P. problematiciim, Goldf. ? 1859, pi. ix, figs. 1 o-c •■ 407-409 



Baryphyllum, E. & H., 1850 . . 409 



