MANUAL OF THE MOLLUSC A. 15 



PLATE XV. 



All, except those marked *, are dorsal views. 



TerebratulidcB. page 



1 . Terebratula maxillata, Sby. ^. Bath Oolite, England 215 



2. diphya. E. Col. h Alpenkalk, Tyrol 215 



3. Terebratulina cuput-serpeutis, L. Norway — Medit 216 



4. "VValdheimia australis, Quoy. f. Port Jackson 210 



5. impressa, Buch. Oxford clay, England 216 



6. Lyra Meadi, Cumb. 1816. i. U. Green-sand, England 217 



7. TerebrateUa Magellanica, Chemn. -f. Cape Horn 2l7 



8. Trigonosemus Palissii, Woodw. Chalk, Belgium 217 



9. Megerlia truncata, Lam. f. Medit 219 



10. Argiope decollata. Chemn. |. Medit 220 



1 1. Thecidiura radians, Brougn. Chalk, Belgium 22 1 



12.* hieroglyphicum, Defr. (interior.) Chalk, Belgium 221 



13. Stringocephalus Burtini, Defr. var. ^, Devonian, Europe 222 



Sjjirlferldce. 



14. Spirifera Walcotti, Sby. i. Lias, Bath 223 



15. Cyrtia exporrecta, Wahl. U. Silurian, Europe 223 



16. Athyris lamellosa, Lev. ^. Carb. limestone, N. Amer. — Europe 224 



17. Uiicites gryphus, Schl. i. Devonian, Belgium 225 



RhynchoneUidce. 



18.*Rhynchouella acuta, Sby. §.* Lias, Europe 226 



19. furcillata, Buch. Lias, Europe 226 



20. spinosa, Schl. |. Inf. Oolite, Europe 226 



21. Atrypa reticularis, L. sp. \. Sil. -Devon. N. Amer. — Europe ... 227 



22. Peutamerus Knightii, Sby. i. U. Silurian 227 



Orthidte. 



23. Orthis rustica, J. Sby. |. U. Silurian, Europe 229 



24.*Strophomena rhomboidalis, YV'ahl. |. U. Sihirian, N. Amer. — 



Europe 230 



25 . Leptccna liassina, Bouch. f . Lias, Europe 231 



26. Calceola sandalina, Lam. \. Devonian, Europe 232 



Frodnctidce. 



27 Producta horrida, J. Sby. \. Magn. limestone, Europe 233 



28.* proboscidea, Vern. \. Carb. limestone, Belgium 233 



29. Chonetcs striatella, Dalm. U. Silurian, Europe 235 



Craniadce. 



30. Crauia Ignabergensis, Retz. Chalk, Sweden - ." 236 



Disc'mldeB. 



31. Disci na lamellosa, Brod. \. Peru '. 237 



Lingulidce. 



32. Liugula anatina, Lam. \. Philippines 239 



