132 BULLETIN NO 30, UNITED STATES NATIONAL MUSEUM. 



• Page. 



Spirigera, d'Orbigny, 1847 141 



S.svhUlita, Hall, 1852, pi. x, figs. 6 a-c 141-143 



S. planosulcata, Phillips, sp. 1836, pi. x, figs. 5 at-d 143-144 



Terebratulida'. 



Terehratula Llhwyd, 1698 144 



Siibfieiius Dielasma, King, 1859 , 144 



T. (Dielasma) bovidens, Morton, 1836, pi. xi, figs. 10 Or-e 144-146 



Mollusca vera. 

 Oonchifera. 

 Monomyaria. 

 Pectinidce. 



Aviculopecten, McCoy, 1852 146 



A. occidentalis, Shiimard, 1855, pi. sii, figs. 8 a and 6 146-147 



A. coreyanus. White, 1874, pi. xi, figs. 1 o and ft 147-148 



A.mccoyi, M. &, H., 1864, pi. xi, fig. 2 a 149 



A.interlineatus.M. &. W.. 1860, pi. xi, fig. 3 a 149-150 



Pinnidce. 



Pinna, Linnaeus, 1758 151 



P.peracuta, Shumard (?),pl. xi, fig. 5 a 151 



Pteriidoe. 



Monopteria, M. & "W., 1866 151 



M.mariari, White, 1874, pi. xi, figs. 4 o-o 151-152 



Myalina, de Koninck, 1844 152 



MyahnaO), White, 1875 152 



M. 1 swallovi, McChesney, pi. xi, fig. S a 152 



Bakevellia, King, 1848 '. 153 



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



Dymyaria. 

 Trigonidce. 



Schizodus, King, 1844 154 



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



Allorisma, King, 1850 155 



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



Oasteropoda. 

 Prosopocephala. 

 Solenoconcha. 

 Dentaliidce. 



DentaUum, Linnaeus, 1740 156 



D. carina, White, 1874, pi. xii, figs. 6 a and 6... 156 



Dioeca. 

 Rhiphidoglossa. 

 Dicranobranchia. 

 Bellerophontidce. 



Belleroplion, Montfort, 1808 157 



JS. cra«sM«, M. & W., 1860, pi. xii, fig. 1 a 157 



Podophthalma. 

 Euomphalidce. 



Euomphahis, Sowerby, 1815 158 



E.pernodosus, M. & W., 1870, pi. xii, figs. 2 a and 6 158 



Pectinibranchiata. 



Toenioglossa. 



Naticidce. 



Naticopsig, McCoy, 1844 159 



N. nana, M.& W., 1866, pi. xii, figs. 4 a and 6 159 



CapuUda-. 



Platyceras, Conrad, 1840 - 159 



P. nebrascense, Meek, 1872, pL xii, figs. 5 a-d 159-160 



Macrocheilidce. 



Macrocheilus, Phillips, 1841 160 



M. anguliferus, White, 1874, pi. xii, figs. 3 a-/..., 160-161 



Cephalopoda. 

 Tetrabranchiata. 

 Goniatitidcc. 



Ooniafites, do Haan, 1825 161 



NautUlddi. 

 NautiluH, Breynius, 1732 , , 161 



