182 THE BERMUDA ISLANDS. 



distinctive Bermudian Helices. The localities placed opposite 

 the species indicate in a general way their geographical dis- 

 tribution. 



Helix (Cochlicella) ventricosa, Drap. 



Mediterranean region, Canaries, Azores. 



Helix (Micropliysa) vortex, Pfr.' 



W. Indies, S. United States. 



Helix (Polygyra) micTodoiita,DesIi. 



Texas, Florida? 



Helix (Hyalosagda) discrepans, Pfr. 



* Helix (Vallonia) pnlchella, Miill. 



Europe, Azores. 



Given on the auth ority of Blan d , as quoted by Wallace. This 

 species appears to differ but little, if at all, from Helix minuta, 

 of Say, a common form of the United States. 



Helix appressa, Say. 



Pennsylvania to Illinois and Arkansas. 



? Helix hypolepta, ShutU. 



This species, which appears to have been obtained from the 

 Bermudian collection of M. Bland, is very inadequately de- 

 scribed by Shuttleworth {Diagnosen neuer MoUmken, p. 129), so 

 that it is barely recognizable as a distinct species. It is closely 

 related to Helix minuscula, of Binney. 

 Foecilozonites Bermndensis, Pfr. 

 FcEcilozonites circnmfirmatns, Redf. 

 Foecilozonites Beinianas, Pfr. 

 Snccinea Bermndensis, Pfr. 

 % Snccinea fnlgens, Lea. 



Cuba. 



* Snccinea margarita, Pfr. 



Hayti. 



Fnpa Jamaicensis, Adams. 



Jamaica. 



