534 WAIS^IJAL OF THE MOLLUSCA. 



PLATE XV. 



All, except those marked *, are dorsal views. 



TerebratuUda. 



Page 



1. Terebratula maxillata, Sby. ^. Bath. Oolite, England 363 



2. diphya, F. Col. i. Alpenkalk, Tyrol 363 



3. Terehratulina caput-serpentis, L. Norway — Medit 364 



4. "Waldheimia australis, Quoy. f . Port Jackson 364 



5. impressa, Buch. Oxford clay, England 365 



6. Lyra Meadi, Cumh. 1816. ^ U. Greensand, England 365 



7. Terebratella Magellanica, Chemn. f . Cape Horn 365 



8. Trigonosemus Palissii, Woodw. Chalk, Belgium 365 



9. Megerlia truncata, Lam. f . Medit 367 



10. Argiope decollata, Chemn. ^. Medit 368 



11' Thecidium radians, Brongn. Chalk, Belgium. ,• 369 



12. * hieroglyphicum, Defr. (interior). Chalk, Belgium 370 



13. Stringocephalus Burtini, Defr. var. I. Devonian, Europe . . 371 



Spiriferidce. 



14. Spiidfera Walcotti, Sby. J. Lias, Bath 372 



15. Cyrtia exporrecta, AVahl. TJ. Silurian, Europe 372 



16. Athyris lamellosa, Lev. \. Carb. limes. N. Amer. — Europe 373 



17. Uncites gryphus, Schl. -1. Devonian, Belgium 374 



Rhynchonellidce. 



18.*Ehynchonella acuta, Sby. |. Lias, Europe 376 



19. furcillata, Buch. Lias, Europe 376 



20. spinosa, Schl. -|. Inf. Oolite, Europe 376 



21. Atrypa reticularis, L. sp. \. Sil-Devon, N. Amer. — Europe 378 



22. Pentamerus Knightii, Sby. |-. U. Silm-ian . . . ; 377 



Ortliidce. 



23. Orthis rustica, J. Sby. f . U. Silurian, Europe 380 



24.*Strophomena rhomboidalis, Wahl. f. U. Silurian, N. Amer. 



— Europe 380 



25. Lepta)na liassina, Bouch. .?.. Lias, Europe 381 



26. Calceola sandalina. Lam. \. Devonian, Europe 383 



Froductld(B. 



27. Productus horridus, J. Sby. \. Magn. limestone, Em-ope. . 384 

 28.* proboscideus, Vern. \. Carb. limestone, Belgium 384 



29. Chonetes striatella, Dalm. TJ. Silurian, Europe 386 



Cvaniad(S. 



30. Crania Ignabergensis, Ketz. Chalk, Sweden 386 



Biscinidoi. 



31.' Discina lamellosa, Brod. \. Peru >... 388 



Lingididcc. 



32. Lingula anatina, Lam. \. Philippines 389 



