534 • MANUAL OF THE MOLLUSCA. 



PLATE XV. 

 An, except those marked *, are dorsal views. 



Terebratulida. 



Page 



1. Terebratula maxillata, Sby. |-. Bath. Oolite, England 363 



2. diphya, F. Col. |. 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, Cumb. 1816. |. U. Greensand, England 36 



7. Terebratella Magellanica, Chenm. f . Cape Horn 366 



8. Trigonosemus PaUssii, Woodw. Chalk, Belgium 365 



9. Megerlia truncata, Lam. |. Medit 367 



10. Argiope decollata, Chemn. M.. Medit 368 



11- Thecidium radians, Brongn. Chalk, Belgium 369 



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



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



Spiriferidce. 



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



15. Cjrrtia exporrecta, Wahl. IT. Silurian, Europe 372 



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



17. Uncites gryphus, Schl. ^. Devonian, Belgium 374 



Rhynchonellidce. 



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



19. furcillata, Buch. Lias, Europe 376 



20. ■ spinosa, Schl. f . Inf. Oolite, Europe 376 



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



22. Pentamerus Knightii, Sby. ^. U. Silurian 377 



Orthidce. 



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



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



— Europe 380 



25. Leptaena liassina, Bouch. 1.. Lias, Europe 381 



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



Froductidce. 



27. Productus horridus, J. Sby. \. Magn. limestone, Europe . . 384 



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



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



CraniadcB. 



,30. Crania Ignabergensis, Retz. Chalk, Sweden 386 



Discinidce. 



31. Discina lamellosa, Brod. |. Peru ». . . 388 



Lingtdid(^. 



32. Lingula anatina, Lam, |. Philippines 389 



