258 AGRICULTURE OF MAINE. 



Bifidaria corticaria (Say). 



Odostomia corticaria, Say, 1817. 

 Leucochila corticaria, Alorse, 1864. 

 Pupa corticaria, W. G. Binney, 1885. 

 Cumberland and Oxford counties. 

 Bifidaria contracta (Say), 1822. 



Cumberland, Oxford and Penobscot counties. 

 Bifidaria tappaniana (C. B. Adams), 1842. 



Oxford, Knox, Penobscot and Aroostook counties. 

 Bifidaria pentodon (Say), 1821. 



Pupa curvidens, Gould, 1841 ; ^lighels, 1843. 

 All over the State. 

 Pupilla muscorum (Linne), 1758. 



Pupa badia, Adams, Gould, Binney, 

 Found in all the coast counties. 

 Pupilla muscorum var. unidentata, Pfeiflfer, 1821. 



Thomaston, Knox county (Lermond). 

 \'ertigo milium (Gould), \\'. G. Binney, 1885. 



Reported from York, Cumberland, Oxford, Kennebec 

 and Penobscot counties. 

 \'ertigo ovata (Say), 1822. 



Pupa modesta. Say, Gould, Mighels. 



Cumberland. Oxford, Kennebec, Lincoln and Penob- 

 scot counties. 

 \'ertigo ventricosa (Morse), 1865. 



Cumberland, Oxford, Hancock, Penobscot and Aroos- 

 took counties. 

 \'ertigo ventricosa var. elatior, Sterki, 1894. 



Oxford, Knox, Hancock and Aroostook counties. 

 ^"ertigo gouldi (Binney). 1843. 



York, Cumberland, Knox, Hancock and Aroostook 

 counties. 

 Vertigo gouldi var. paradoxa, Sterki, 1900. 



Woodland, Aroostook county, rare (Nylander). 

 Vertigo bollesiana (Morse), 1865. 



York, Oxford, Hancock, Penobscot and Aroostook 

 counties. 

 \"ertigo tridentata. Wolf, 1870. 



Quebec and Maine (Pilsbry, 1898 list). 



