LIST OF WOOD-CUTS. 



Page. 



Fig. 1. View of light valve of Iitoceramiisfiagilis 42 



2. Anterior profile view of Inoceramus fragilis 42 



1 (bis). Side, view of light valve of Iuocerainns Barabini (Morton's original type) 50 



2 ( bin). Anterior profile; view of Ivoci ramus Barabini 50 



3. Right-side view of Inoceramus Barabini (another form ) 50 



4. Profile anterior view of Inoceramus Barabini (another form) 50 



5. Side view of a cast of left valve of Inoceramus tenuirostris 59 



(i. Hinge and interior of right valve of Eriphyla gregaria 124 



7. Hinge and interior of left valve of Eriphyla gregaria 124 



8. Hinge view of right valve of < 'yprina ovata 14ii 



9. Exterior of right valve of Vcniella Conradi 148 



10. Hinge and interior of right valve of Veniella Conradi 148 



11. Hinge and interior of left valve id' It nulla Conradi 148 



12. Anterior view of Veniella goniojihora 152 



13. Right-side view of Protocardip, pt /-tenuis 170 



14. Outline anterior view of Prot$cardia pertenuis 170 



15. Left-wide view of exterior of CalUsta ( Dosiniopsis) Kebrascensis 184 



10. Anterior profile view of the two valves united of CalUsta (Dosiniopsis) Xebrascensis 184 



17. Hinge and internal view of right valve of CalUsta (Dosiniopsis) Kebrascensis 184 



18. Hinge and interior of left valve of Thetis t circularis 190 



19. Dorsal outline of Thetis t circularis 190 



20. Exterior of right valve of Liopistha proiexla (natural size) 227 



21. Hinge of Liopistha proiexla (magnified two diameters) 227 



22. The same of left valve of Liopistha proiexla 227 



23. Dorsal view of right valve of Liopistha proiexla 227 



24. Hinge and adjacent parts of Liopistha proiexla (more highly magnified) 227 



25. Exterior of right valve of Ci/mella liella (natural size) 228 



20. Hinge view of right valve of Cgmella bella (magnified two diameters) 228 



27. Hinge view of opposite valve of Cymdla bella (magnified two diameters) 228 



28. Dorsal view of Cymella bella 228 



29. Hinge and adjacent parts of light valve of Cgmella bella (more highly magnified) 228 



ISO. Hinge andadjaceut partsof left valve of Cgmella bella (magnified) 228 



31. Posterior view of Teredo ylobosa (magnified) 204 



32. Left-side view of 'Teredo globosu (magnified) 264 



33. View showing aperture and edge of umbilicus of Gyrodes Conradi 310 



34. A n opposite side view of Gyrodes Conradi 310 



35. A view of under side of Gyrodes Conradi 310 



36. An upper view of Gyrodes Conradi 310 



37. Magnified outline of Aporrhais biangulata 322 



38. Cerithiopsis Mortauensis (enlarged three diameters) .' 336 



39. Dorsal view of Pyrifusus (XiptnueUa) Neuiberryi 346 



40. Dorsal view of Pyrifusus ( Xeptunella) subturrilis 347 



41. Dorsal view of Odonlobasis constricta ( magnified) 353 



42. Opposite view of Odonlobasis constricta 353 



43. Dorsal view of Odvnlobas ventriosa (enlarged ) 354 



XIII 



