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



T>aj:o. 



EdHocrinus, Hall, 1859 3"0 



E. pociWformis,Jl!i\\, 1859, pi. vii, figs. 5 a, b 370-371 



MoUusca 371 



Brachiopoda 371 



Orthis, Dalman, 1828 371 



O. hybrida, Sovrerby t 18.39, pi. vU, figs. 7 a-(i 371-372 



O. subcarinata, Hall, 1857, pi. vii, figs. 6 ft-d 373-374 



jStropkomena, Rafiuesque, 1820 374 



i'. (Strophodonta) cavumbona, Hall 1 1857, pi. vii, fig. 10 a, 6 374-376 



Alerista, Suess, 1851 376 



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



Zygospira, Hall, 1862 377-380 



Z. suhconcava, n. s., M. & W., 18C8, pi. vii, fig. 1 (i-d 380-301 



Trematospira, Hall, 1859 381 



T. 1 imbricata. Hall, 1857, pi. vii, fig. 2 n-e 381-382 



Cyrtina, Davidson, 1858 383 



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



Spirifer, Sow erhy, 1813 384 



Subgenus Trigonotrcta, Koenig, 1825 384 



S. perlamellosus, Hall, 1857, pi. vii, figs. 9 a, 6 384 



Gasteropoda 384 



Vlatyceras, Conrad, 1840 384-387 



P. subundatum, n. s., M. & W., 1868, pi. vii, figs. 13 a, &, and 14 a, 6 387-388 



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



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



Articulata 390 



Crustacea 390 



Acidatpis, Murchison, 1839 390 



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



Dalmanites, Auct 391 



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



Devonian Species, 

 fossils of the oriskant group. 



Mollusca 393 



Brachiopoda 393 



Leptcena, Dalman, 1827 393 



L.? mtcleata, Hall, 1859,.pl. viii, figs. 8a-d 393-394 



Rhynchonella, Fischer, 1809 394 



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



J5;ato?iia, Hall, 1857 395 



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



Leptocotlia, Hall, 1857 397 



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



Spiri/er, So werby, 1815 398 



Subgenus Trigonotrcta, Koenig, 1825 398 



S. engelmanni, n. s.,M. & TV., 1868, pi. viii, figs. 5 a-d 398-399 



S. hemicyalus, u. s., M. &. W., 1868, pi. viii, figs. 6 o-d, and 7 a, 6 .? 399-'M)l 



Iiensselceria,'H.a\\, 185Q .. 401 



R.condoni, McChesney, 1861, pi. viii, figs. 4 a, & 401-402 



Stricklandinia, liillings, 1863 402 



S. elongata var. curta, M. & W., 1868, pi. viii, figs. 1 a-c, and pi. ix, fig. 5 ? 402-404 



Qasteropnda '**'* 



Strophottylus, llaM, 185"} 404 



S. cancellatus,n. a.. "M.&W., 1868, p. 404, figs, and pi. viii, fig. 12 (na,b?) 404-405 



Platyceras, Conrad, 1840 406 



P. gpirale, Hall? 1859, pi. viii, fig. 10 406 



FOSSILS OF THE C0RNIFER0U8 GROUP. 



Radiata 407 



Zoopkjfta 407 



Pleurodictyum, Goldfuss, 1829 407 



P. problematiciim, Goldf. n859, pi. ix, figs, la-o 407-409 



Banjphyllum,E.&. H.,1850 409 



