78 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



Page. 



L. eraleriformU. Hall, 1866, pLiii, figs. 1 a-/ 51-52 



ITemi,-ystitc>:. Hall 52 



H.steUatnx. Hull, 1866, pi. iii, figs. 8 a, 6 52-54 



H. iCyiitnster) granulahu, Hall, 1872, pi. iii, figs. 9a,b 54 



Ar/eUirriniUg, Vanuxeni, 1842 55 



A . (Lepidodincvs) cinciniiatiensu, Rcemer, 1851, pL iii, figs. 6 a,b S.V-^e 



A.piUus. Hall. 1866, pi. iii, fig. 5 56^57 



A. vorticellnta,KA\\, 1866, pi. iii, figs. 7 a,b 57-58 



A»teroid*a. 



Palaeaster, Hall 58 



rj rfi/ert, Meek, 1872, pi. iv, figs. 2 a-/ 58-60 



P. granulosus. Hall? 1866, pi. iv, figs. 3 a-c 60-61 



P.? jamesii, Dana, 1803, pi. iv, fig. 4 62-64 



r. infomptus, Mcok, 1872, pi. iv, figs. 5 a, 6 64-65 



r. shaefferi. Hall, 1868, pL iv, fig. 1 66 



Stetiaster Binings, 1858 66 



S. grandu. Meek, 1872, pi. iii bis, Sg.! Or-c 66-67 



Ophiuroidea. 



ProUtsterl, Forbes, 1849 68 



;■. grannli/erus, Meek, 1872, pi. iii bis, figs. 8 a, 6 68-69 



MoUusca. 



Pohjzua. 



PtUodictya, Lonsdale, 1839 69 



P. (Slictopora) shaferi, Meek, 1872, pi. v, figs. 1 a-c 69-70 



Jirachiopoda. 



Leptaena, Dalman, 1828 70 



L. sencea, Sowerby .' 1839, pi. v, figs. Z a-h 70-72 



Strnphomena, Kafinesque, 1827 73-75 



• <S. rhomboidalis, "Wilckens sp., 1769, pi. v, figs. 6 a-« 75-77 



Subgenus Hemipronites, Pander 77 



(Resupinate species.) 



S. (Hemipronites) nutans, JsLvaes, 1871, pi. vi, figs. 1 a-/ .' 77-79 



S. (Ilemipronites) planumhona, Hall, 1847, pi. vi, figs. 3 a-h 79-81 



S. (Hemipronites) plieata, James, 1871, pi. vi, figs. 4 Or-h 81-82 



S. (Hemipronites) planoconvexa, Hall, 1847, pi. ii, figs. 2 a-A 82-83 



S. (Hemipronites) filitexta, Hall, 1847, pi. vi, figs. 5 Or-d 83-85 



iS. (Hemipronites) sulcata, de Verneuil, 1848, pi. v, figs. 4 a-e 85-86 



S. (Hemipronites) sintiata, James, 1871, pi. v, figs. 5 o-/ 87-88 



(Non-resupinate species.) 



.V. (Hemipronites) alternata (Conr.), Emmons, 1838, pi. vii, figs. 1 a-g 88-91 



Orthu, Dalman, 1828 9? 



(Re.snpinate species.) 



O. retrorsa, Salter? 1858, pi. xi, figs. 7 a-« 92-94 



O. subquadrata, Hall, pi. ix, fig8.2 b-g 94-96 



0. occidentalin. Hall, 1847, pi. ix, figs. 3 Or-h 96-99 



O. intculpta. Hall, 1847, pi. ix, figs. \ a-h 99-101 



O. horealis, Billings, 1859, pi. viii, figs. 4 a-/ 101-103 



O. bellula, James, 1871, pi. viii, figs. 5 a-/ 103-104 



O. (!) ella. Hall, 1861, pi. viii, figs. 9 a-d 105-106 



(Non-resupinate species.) 



O. fissieosta. Hall, 1847, pi. viii, figs. 6 a-h 106-107 



O. plic-tUlla, Hall, 1847, pi. viii, figs. 7 a-A 108-109 



O. emacerata,Ilai\, 1860, pLviii, figs. 1 a-d, and figs. 2 a-<7 109-111 



O. emacerata var. multisecta, James, 1871, pi. viii, figs. 3 Or-d 112 



O. (Platystrophia) bi/orata, Schlotheim, sp., 1820, pi. x 112-114 



Var.l. O. (Platystrophia) hjnx. Von iJiuh., pi. x, figs. 1 a-« 114-116 



Var. 2. O. (Platystrophia) lalicosta, James, 1871, pi. x, figs. 4 a-/ 116-117 



Var. 3. O. (Platystrophia) deittata. Pander ? ? James, 1871, pi. x, figs. 3 a-d 117-119 



Var. 4. O. (Platystrophia) acutilirala. Con., sp., 1842, pi. x, figs. 5 a-<7 119-121 



Jlhynchonella, Fischer di- Waldli., 1809 121 



R. dentata. Hall, 1847, pi. xi, figs. 3 a-d 121-122 



P. capax, Conra«l, sp., 1842, pi. xi, figs. 6 a-/ 123-124 



Zygospira, Hall, 1862 125 



Z. modesta. Say, sp., pi. xi, figs. 4 a-d 125-126 



/. cindnnatiemUi, James, 1871, pLxi, figs. 5 o-c 126 



