34 



Remarks on Classifications of 



Clarkii Lea 

 * 



Christyii Bid. 



thyroides Say 

 bucculenta Gould 

 "Wheatleyi Bid. 

 exoleta Binn. 

 albolabris Say 



" var. major Binn. 

 dentifera Binn. 

 Roerneri Pfr. 

 profunda Say 

 Sayii Binn. 



m ultilineata Say 

 Pennsylvanica Green 

 clausa Say 

 Mitchelliana Lea 

 Downieana Bid. 

 divesta Gould 



harpa Say 



pulchella Mtill. 



costata " 

 * 



rufescens Penn. 



hispida L. 

 * 



jejuna Say 

 Berlanderiana Moric. 

 griseola Pfr. 



f Townsendiana Lea 



hortensis Mull. 



Mull. 



varians Menke* 



aspersa 



Pfeiffer, 1855. 

 Malak. Blatt. 



Gen. Helix. 

 Subgenera, 



Mesodon 



Ulostoma 



Mesodon 



Vallonia 



u 



Hygromia 



u 



Galaxias 



Arianta 

 Tachea 

 Pomatia 

 Phaedra 



Albers, 1860. 

 Die Heliceen. 



Gen. Helix. 

 Subgenera. 



Mesodon 



Triodopsis 

 Mesodon 



Triodopsis 



Acanthinula 



Vallonia 

 u 



Fruticicola 



Arionta 

 Tachea 

 Pomatia 

 Polymita 



Species not Identified. 

 H. bulbina Desh. H. Ingallsiana Shuttl. 



egena Say porcina Say 



glaphyra Say tenuistriata Binn. 



