214 BULLETIN NO 30, UNITED STATES NATIONAL MUSEUM. 



Pagft 



Penitella 326 



P. speloea, Conrad, 1855, pi. v, figs. 43, 43 a, 6 326 



Fisnurella, Lam. 326 



F. crenulata, Sov,-., -pi v, tig. 44 326 



Crepidiila, Lam., Crypta, Humph 326 



O. princeps, Conrad, 1855, pi. vi, figs. 52, 52 o 326 



Narica 326 



iV. diefiroana, Conrad, 1855, pi. V, fig. 39 326 



TrocWto, Shum 327 



T. diegoana, Conrad, 1855, pi. v, flg. 42 327 



Crucibulu7H, Shum .* ' 327 



C. spinosum, Conrad, 18 J5, pi. v, figs. 46, 46 a 327 



Nassa, Lam 327 



N. inierstriata, Conrad, 1855, pi. vi, flg. 49 327 



N. pedroana, Conrad, 1855, pi. vi, tig. 48 327 



Strephona, Browne, Oliva, Lam 327 



S. pedroana, Conrad, 1855, pi. vi, flg. 51 327 



Littorina, Ferr 327 



L. pedroana, CoTiTSid, 1855, pi. vi, fig. 50 327 



Stramonita, Shum., Purpura, Lam 327 



/S. petro«a, Conrad, 1855, pi. vi, figs. 47, 47 a 327 



TERTIARY SHELLS OF THE ISTHMUS OF UARIEN. 



Miocene. 

 Gratelupia ? Desmoullns. 



(?. ? mactropsw, Conrad, 1855, pi. vi, fig. 54 328 



Meretrix 328 



M. dariena, Conrad, 1855, pL vi, flg. 55 328 



Telhna,l.\n 328 



T. dariena, Conrad, 1855, pi. vi, fig. 53 328 



MIOCENE FOSSILS FROM OCOYA CREEK. 



Natica 328 



N. ocoyana, Conrad, 1855, pi. vii, flgs. 57, 57 a 328 



N. geniculata, Conrad, 1855, pi. vii, flg. 67 328 



BuUa 328 



B. jugularis, Conrad, 1856, pi. vii, flgs. 62, 62 a, & 328 



Pleurotoma 328 



P. transmontana, Conrad, 1 855, pi. vi, fig. 69 328-329 



Syctopus 329 



S. ocoj/HMiw, Conrad, 1855, pi. vii, figs. 72, 72 a 239 



Turritella 329 



T. ocoyana, Conrad, 1 855, pi. viii, figs. 73, 73 a, & 329 



Coins 329 



O. arctfitMS, Conrad, 1855, pi. viii, fig. 76 329 



Tellina 329 



T. ocoj/ana, Conrad, 1855, pi. viii, figs. 75, 75 a 329 



Pecten 329 



P. nevadamis, Conrad, 1855, pi. viii, fig. 77 329 



P. catiJf(formi», Conrad, 1855, pi. ix, fig. 83 329 



6. 



Conrad, T. A. Descriptions of one Tertiary and eight New Cretaceous Fossils from 

 Texas, in the Collection of Major Emory. <[Proc. Acad. Nat. Sci. Philadelphia, 

 vol. vii, pp. 268-209, February, 1855. Philadelphia, 1856. 



Page. 



PostelUtes, CoutmX 268 



P. texanus,n. s., Conra<l, 1856 268 



TurHtella,I.am 268 



