132 BULLETIN NO 30, UNITED STATKS NATIONAL MUSEUM. 



Page. 



Spirigera, d'Orbipny, 1847 141 



S.iubtilita, Hall, 1852, pi. x, flg8.6a-c 141-143 



S.planosulcata, Pliillips, .sp. 1836, pi. x, figs. 5 a-d 143-144 



Terebratulidc. 



Terebratula Mliw.vd, 1G98 144 



Sub^Piiii^ Diflasma, King, 1859 144 



T. (Dxelasmu) bvvidens, Morton, 1836, pi. xi, figs. 10 a-e 144-146 



Mollmca vera. 

 Conchifera. 

 Monomyaria. 

 Pectiuidce. 



Aviculopecten, McCoy, 1852 146 



A. occidcntalis, SUnniard, 1855, pi. xii, figs. 8 a and 6 146-147 



A. eorei/anus, White, 1874, pi. xi, figs. 1 a and 6 147-148 



A.mccoyi, M. &. H., 18G4, j)l. xi, fig. 2 a 149 



A. interlinealm, M. & W. . 1860, i)l. xi, fig. 3 o 149-150 



Pinnidce. 



Pinna, Linnaius, 1758 151 



P. peracitta, Shnmard (?),pl. xi, fig. 5 a 151 



Pteriidce. 



Monopteria, M. & W., 1866 151 



M.marian, "White, 1874, pLxi, figs. 4 a-c 151-152 



Myalina. dc Koninck, 1844 152 



MyalinaC), Whito, 1875 152 



M. 1 gwallovi, McChe.sney, pi. xi, fig. 8 o 152 



Bakevellia, King, 1848 153 



B.parva, M. <t H., 1858, pi. xi, figs. 7 a and 6 153 



Dymyaria. 

 Trigonidce. 



Schizodus, King, 1844 154 



S.wheeleri, Swallow, 1862, pi. xi, figs. 6 a and 6 154 



Allorisma, King, 1850 155 



A. subcitneata, var. M. & H., pi. xii, figs. 7 a and b 155 



OagUropoda. 

 Prosopacephala. 

 Solenocvncha. 

 Dentaliidce. 



Denlalium, Liunajus, 1740 156 



D. cannn, "White, 1874, pi. xii, figs. 6 o and 6 156 



Diceca. 

 Phiphidogloxsa. 

 Dicranobranchia. 

 BellerophontidcB. 



Bdlerophon, Montfort, 1808 157 



B.cras8U8,M.& W., 1860, pi. xii, fig. 1 a 157 



Podophthalma. 

 EuomphalidcB. 



Euomphalus, Sowerby, 1815 158 



E.pernodoaus, M. <t W., 1870, pi. xii, figs. 2 a and 6 158 



Pectinibranchiata. 



Tcenioglogsa. 



Naticidce. 



Naticopsif, McCoy, 1844 159 



A\ nana, M. & W., 1866, pi. xii, figs. 4 a and b 159 



C'apulida. 



Platyceras, Conrad, 1840 159 



P. nebragcense. Meek, 1872, pi. xii, figs. 5 a-d 159-160 



Maerocfieilidce. 



Macrocheiltis, Phillips, 1841 160 



M.anguliferug, White, 1874, pi. xii, flgs.So-/ 160-161 



Cephalopoda. 

 Tetrabra nchiata. 

 GoniatilidcB. 



Ooniatiteg, dc Haan, 1825 161 



Nautilidii: 

 NautUuJi, Breyniu.s, 1732 161 



