[SMITHSONIAN MISCELLANEOUS COLLECTIONS.] 



CHECK LIST 



OF THE 



SHELLS OF NORTH AMERICA 



FLUVIATILE GASTEROPODA. 



BY 



W. G. BItfNEY. 



THE species whose range is confined to Eastern North America are not 

 indicated by any peculiar mark. The letter W. distinguishes those confined 

 to the Pacific coast ; the letters W. E. are affixed to the names of those 

 found in both the Eastern and Western sections, while the Greenland and 

 Mexican species are also respectively designated by the letters G. and M. 



This list has been compiled from all American publications and the few 

 European monographs treating of this branch of the Mollusca. I have 

 preferred giving the name of many doubtful species rather than omit that 

 of any which my own limited knowledge of the subject does not lead me 

 to consider a synonym. The list, therefore, is not offered as a complete 

 elimination of the synonymy, but rather as a temporary guide to the 

 arrangement of this portion of the collection. It should not be quoted as 

 authority. 



PECTINIBRAtfCHIATA. 18. Melania 



Melaniidae. 19. Melania 



1. Melania abbreviata, Anth. 20. Melania 



2. Melania abrupta, Lea. 21. Melania 



3. Melania abscida, Anth. 22. Melania 



4. Melania acuta, Lea. 23. Melania 



5. Melania acuto-carinata, Lea. 24. Melania 



6. Melania adusta, Anth. 25. Melania 



7. Melania eequalis, Hold. 26. Melania 



8. Melania alexandrensis, Lea. 27. Melania 



9. Melania altipeta, Anth. 28. Melania 



10. Melania altilis, Lea. 29. Melania 



11. Melania alveare, Conr. 30. Melania 



12. Melania ambusta, Anth. 31. Melania 



13. Melania ampla, Anth. 32. Melania 



14. Melania angulata, Anth. 33. Melania 



15. Melania angulosa, Menke. 34. Melania 



16. Melania angustispira, Anth. 35. Melania 



17. Melania annulifera, Conr. 36. Melania 



CO 



approximate Hold. 

 arachnoidea, Anth. 

 arctata, Lea. 

 armigera, Say. 

 as si milis, Lea. 

 athleta, Anth. 

 auriculas formis, Lea. 

 auriscalpium, Menke. 

 Babylonica, Lea. 

 baculum, Anth. 

 basalis, Lea. 

 bella, Conr. 

 bellacrenata, Hald. 

 bicincta, Anth. 

 bicolorata, Anth. 

 bicostata, Anth. 

 bitaeiiiata, Conr. 

 bizonalis, DeKay. 

 blanda, Lea. 



