20 



Hetnarks on Classifications of 

 Fam. STENOPIDjE. 



Subfam. HELICELLIN^E* 



Gen. Sag'da Beck. 

 Subgen. Gastrodonta Albers. 



gularis Say. 

 interna Say. 

 lasmodon Phill. 

 lineata Say. 



macilenta Shnttl. 



is lasmodon JPhill. 

 multidentata Gonld 



is multidentata Binn. 



fuliginosa Griff. 



Gen. ZonlCes Montfort. 



Subgen. Conulus Fitzinger. 



egena Say. 

 fulva Drap. 



Syn. chersina Say, 



Gundlachi Pfr. 

 ligera Say. 

 stenotrema Fei. 



Gen. Disciisf Fitzinger. 



alternates Say. planorboides Raf." 



mordax Shuttl. is concava Say. 



is var. of Cumberlandiana Lea. solitarius Say. 

 perspeetivus Say. striatellus Antbon. 



Yancouvcrensis Lea. 



Gen. HelicellaJ Lamarck. 



arborea Say. 

 caduca Pfr. 

 cellaria Miill. 

 demissa Binn. 

 fuliginosa Griff, 

 inornata Say. 

 intertexta Binn. 



laevigata Piaf. 

 ligera Say. 

 minuscula Binn. 

 nitida Miill. 



Syn. hydrophila In galls ? 

 placentula Sbuttl. 



is cajisella Gould. 



* In the text, Helicellinre stands as a subfamily of Oleacinidse, but in the Ap- 

 pendix II. 639, H. & A.Adams add the following: — "This sub-family having a 

 caudal gland should be removed to the family Stenepidse." 



\ Patula Held, is in the Synonymy of Discus. — Gen. of Recent Moll. I. c. 116. 



\ "Tentacles short; edge-teeth of tongue aculeate. Mantle thickened and 

 slightly reflected ; tail obliquely truncated. Shell depressed, vitreous, shining, 

 umbilicated ; whorls regularly increasing, the last not descending at the aper- 

 ture ; aperture rotundately lunar ; peristome thin, straight." H. & A. Adams 

 have in the Synonymy of Helicella, Hyalina Fer., not Schum. and Zonites Gray 

 not Montf—Gen. of Recent Moll. I. c. 118. 



