54 



b. Cornfield Harbor, Maryland. 



i. 



2. 



3- 



4- 

 5- 

 6. 



7- 

 8. 



9- 

 10. 

 ii. 



12. 



14. 



16. 



17- 

 18. 

 19. 



20. 



Actaeon melonoides Con- 

 rad. 



Tornatina canaliculata Say. 

 Mangilia cerina Kurtz and 

 Stimpson. 



Nassa trivitata Say. 

 Ilynassa obsoleta Say. 

 Fulgur carica Linne. 

 Fulgur pyrum Dillwyn. 

 Astyris lunata Say. 

 Urosalpinx cinereus Say. 

 Eupleura caudata Say. 



Sayana Dall. 



lineata Say. 

 Turbonilla interrupta Tot- 

 ten. 



Turbonilla reticulata C. B. 

 Adams. 



Odontostomia seminuda 

 Adams. 



Crepidula plana Say. 

 Crepidula fornicata Say. 

 Crepidula convexa Say. 

 Polynices duplicatus Say. 

 Nucula proxima Say. 



21. Ltfda acwto Conrad. 



22. Yoldia limatula Say. 



23. .^raz ponderosa Say. 



24. Scapharca transversa Say. 



25. Mytilus hamatus Say. 



26. Pandora triliniata Say. 



27. Callocardia Sayana Conrad. 



28. Venus mercenaria Linne. 



29. Venus mercenaria var. n0- 

 tato Say. 



30. Petricola pholadiformis La- 

 marck. 



31. Macoma balthica Linne. 



32. Macoma Virginiana Conrad. 



33. Ensis directus Conrad. 



34. Tagelus gibbus Spengler. 



35. Mulinia lateralis Say. 



36. Mulinia lateralis Say var. b. 



37. Rangia cuneata Gray. 



38. My a arenaria Linne. 



39. Corbula contracta Say. 



40. Barnea costata Linne. 



41. Dentalium sp. 



42. Foraminifera. 



c. Sankoty Head, Massachusetts. 



1. Buccinum undatum Linne. 



2. Ilynassa obsoleta Conrad. 



3. Crucibulum striatum Say. 



4. Fusus scalariformis Stimp- 

 son. 



5. Urosalpinx cinereus Say. 



6. Cerithiopsis Greenii C. B. 

 Adams. 



7. Odostomia triiida Gould. 



8. Turbonilla interrupta Tot- 

 ten. 



9. Margarita obscura Gould. 



10. Caecum pulchellum Stimp- 

 son. 



11. Rissoa aculeus Stimpson. 



12. Crepidula fornicata Say. 



13. Crepidula plana Say. 



14. Crepidula convexa Say. 



15. Skenea planorbis Forbes 

 and Hanley. 



1 6. Polynices heros Say. 



17. Area pexata Say. 



1 8. Scapharca transversa Say. 



19. Mytilus hamatus Say. 



