304 IIELICINID.E. 



Sub-gen. posnia, H. and A. Adams. 



Peristome internally sub-dentate. 



Adamsiana, Pfeiff. plicatula, Pfeiff. 



depressa, Gray. rugosa, Pfeiff. 



lineata, C. B. Adams. unidentata, Pfeiff. 



lirata, Pfeiff. vinosa, Shuttl. 



Sub-gen. idesa, H. and A. Adams. 



Peristome not dentate within, straight, acute. 



berylliua, Gould. multicolor, Gould. 



cingulata, Pfeiff. nitida, Pfeiff. 



cornea, Soiv. platychila, Miihlf. 



costata, Gray. rotelloidea, Migh. 



Dominicensis, Pfeiff. rotunda, D'Orb. 



exigua, Pfeiff. rustica, Pfeiff. 



foveata, Pfeiff. subfusca, Mke. 



incouspicua, Pfeiff. umbonata, Shuttl. 



laciuiosa, Migh. vestita, Gould. 



margai'itacea, Lea. villosa, Anton. 



microdina, Morel. zonata, Less. 



Sub-gen. emoda, H. and A. Adams. 



Peristome internally not dentate, straight, thickened, obtuse. 



constricta, Pfeiff. pisum, Phil. 



crassilabris, Phil. pulcherrima, Lea. 



festiva, Sow. Kohri, Pfeiff. 



lens, Lea. Sagraiana, D'Orb. 



lenticularis, Sow. sanguinea, Pfeiff. 



Maugeriae, Gray. silacea, Morel. 



miniata, Less. solidula, Gray. 



occulta, Say. striatula, Sow. 



Orbignyi, Pfeiff. submarginata, Gray. 



