MANUAL OF THE MOLLUSCA. 15 



PLATE XV. 

 All, except those marked *, are dorsal views. 



Terebratulida. PAGE 



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



2, diphya. F. Col. . Alpenkalk, Tyrol 215 



&. Terebratulina cuput-serpeutis, L. Norway Medit 21G 



4. Waldheimia australis, Q,uoy. f. Port Jackson 216 



5 . impressa, Buch. Oxford clay, England 2 '. o 



6. Lyra Meadi, Cumb. 1 316. . U. Green-sand, England 217 



7. Terebratella Magellanica, Chemn. f . Cape Horn 2 1 7 



8. Trigonosemus Palissii, Woodw. Chalk, Belgium 217 



9. Megerlia truncata, Lam. f. Medit 219 



10. Argiope decollate. Chemn. f. Medit 220 



11. Thecidium radians, Brougn. Chalk, Belgium 221 



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



13. Stringocephalus Burtiai, Defr. var. / Devonian, Europe 222 



SpirlferidcB. 



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. Uncites gryphus, Schl. ^. Devonian, Belgium 225 



RJi y n chon ellidce. 



18.*E,hynchonella acuta, Sby. . Lias, Europe 226 



19, furcillata, Buck. Lias, Europe 226 



20. spinosa, Schl. . Inf. Oolite, Europe 220 



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



22. Pentamerus Knightii, Sby. i. "U. Silurian 227 



OrtHda. 



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



24.*Strophomena rhomboidalis, Wahl. . U. Siltaian, N-. Amer. 



Europe , 230 



25. Leptscna liassina, Bouch. f. Lias, Europe 2B1 



26- Calceola sandalina, Lam. |. Devonian, Europe 232 



Productia&. 



27- Producta horrida, J. Sby. i. Magn. limestone, Europe 2:>3 



28.* proboscidea, Vcrn. i. Carb. limestone, Belgium 283 



29. Chonetes striatella, Dalrn. U. Silurian, Europe 235 



Craniada. 



30. Crania Ignabergensis, Retz. Chalk. Sweden 236 



Di&cinida. 



31. Discina lamellosa, Brod. ^. Peru 2J7 



Lin guild a. 



32. Lingula anatina, Lam. . Philippines 239 



