WRITINGS OF F. B. MEEK. 103 



Pyrainidellidae. 



Ohemnitzia, d'Orbigny, 1850 337-339 



O. ccrithi/ormis, M. & H., sp.. 1856. pi. xxxii, figs. 10 a, b 339-341 



Littorinidce. 



5pironema, Meek, 1864 341-342 



S. tenuiUneata, M. & H., sp., 1856. pi. xxxii, ligs. 9 a-c 342-343 



Murieidce. 



Pynfusus,ConriiA,lS:>8 34.3-345 



Neptunella, Meek, 1864 (uot Gray) 344 



Pyrifums (Xeptanella) ne-JjberryU M. & H., 1856, pi. xxxi, fig. 6 a-f, fig. 39, p. 346. 346-347 

 P. (Neptunella) subturritus, M. &. H., sp., 1857, pi. xxxii, figs. 3 a, b, and fig. 40, 



p.347 347-348 



P. (Neptunella) intertextus. M. & H.. sp., 1857, pi. xix. figs. 14 a, 6 348-349' 



Buccinidce. 



? Paeudobiiccimun, M. & H . 185C 349-350- 



P. nebrasceme, M. AH., 1856, pi. xxxi, fig.s. 5 a-d 350-351 



? Odontobasis." u. g.. Meek, 1876 351-352 



O. constricta. H. & M., sp., 1856, figs. 41, 42, p. 353 352-354 



Fasciolariidce. 



Fasciolaria, Lamarck, 1799 - 355-358 



Tcrebrispira, Courad, 1862 356 



Piestochilus. Meek, 1864 356 



Mesorhytis. Meek 356 



Crypturhytis, Meek 356 



Fasciolaria buccinoides, M. & H ., 1856, pi. xxxi, flgs. 8 a-d 358-3,59 



F. (PientockUus) scarboroughi, M. & H., 1857, pi. xxxii, flgs. 4 a-d 359-360 



F. {Piestochilus) culbertsoni, M. & H., 1856, pi. xxxii, figs. 1 a-f, fig. 44, p. 360 360-362 



J?'. (Fie stock iius) galpiniana. M. & 11., sp., 1856, pi. xxxii, flgs. 2 a, 6 362-36.'? 



F. {Piestochilus) cretacea,M &H, 1856, pi. xxxi, flgs. 11 a,b 363-3(^4 



F. ? (Mesorhytis) gracilenta, Meek, fig. 4.5, p. 364 364-365 



F. ? (Cryptorhytis) cheyennensis, M. & H., sp., 1860, pi. xix, figs. 13 o, 6 365-366 



F.f (Cryptorhytis) flexicostata.M. &.'B..,sp.,-p\.-!dx,&g.2 and &g.4G,p.3ei7 367-368 



Pyropgis. Conrad, 1860 368-30 



P.bairdi, M. & H., sp., 1856, pi. xxxi, figs. 10 a,b 369-379 



P. bairdi vai-. rotula, Meek, pi. xxxi, flg. 10 and fig. 47, p. 371 371-372 



J'«SM«, Brugui^.re, 1789 372-374 



Serrifusus, Meek 373 



Sinietralia. n. &. A. Adams, 1853 373 



Fusus ? (Serrifusus) dakotensis, M. & H., 1856, pi. xxxi, fig. 11 and pi. 32, flgs. 



6 a, 6 374, 375 



F. ? (Serrijusus) dakotensis, var., pi. xxxii, fig. 7 a and 7 b .» 375-377 



CawJAacM*, Bolten, 1798 377-379 



Tritonidea. S waiuson, 1840 378 



Ca«?/i«rMiMs, Meek 378 



C (Canlharidus) vavghani, M. & H.. sp., pi. xxxii, flgs. 5 a, b, and fig. 48, p. 379 379-380 

 Pleurotomidce. 



Turns, Bolten, 1798 380-384 



Surcula, H. & A. Adams, 1853 (= Turricula, Schum. ; not of others) 381 



Surculites, Conrad, 1865 382 



Genota, H. <fc A.Adams, 1853 (not Adanson) 382 



T. minor, E. & S., sp. 1857, pi. xxxi, flgs.9a-c 384-385 



T. {Surcida)'t contortus, M. & H., 1856, pi. xxxi, figs. 7 a-c, fig. 49, p. 385 385-386 



T. (Surcula)? hitzi. Meek. fig. 50, p. 387 386-388 



Cephalopoda. 

 Tetrabranchiata. 



Baculitidce 388-391 



BacuUtes, Lamarck, 1799 391-394 



Cyrtochihi, Mee\i 392 



B. ovatus. Say, 1821, pi. xx, flgs. 2 a, b, d, and 1 a, b. and fig. 52, p. 397 394-397 



B. grandis, H. & M., 1854, pi. xxxiii, tig.s. 1 a-c and flg. 53, p. 399 and flg. 54, p. 400. 398-400 



B. compressxis, Say, 1821, pi. xx, figs. 3 a-c and flgs. 55, 56, p. 403 400-404 



B. asper, Morton 1 1834, pi. xxxix, flgs. 10 a, d (not b, c) 404-405 



B. anceps var. obtusus, flgs. 57-60, p. 406 406-408 



' oSouj, a tooth ; (3a(7i?, a base. 



