1896.] NATURAL SCIENCES OF PHILADELPHIA. 493 



46. Polygyra hirsuta altispira Pils. 



Road to Cloudland, Roan Mt., Doe Riv., 4000 ft. (68586) ; top 

 Roan Mt.. 6000 ft. (68585). 



47. Polygyra stenotrema (Fer.). 



Chattanooga (68588) ; Sawyer's Springs, Walden Ridge (68592) ; 

 bank Emory Riv., Harrimau (68587) ; Allardt (68593). 



48. Polygyra stenotrema depilata Pils. 



Belle Mead Farm, near Nashville (68594) ; Bellevue (68590) ; 

 Johnson City (68595). 



Family BULIMULIDJE. 



49. Bulimulus dealbatus (Say). 



Belle Mead Farm, near Nashville (68632). 



ELASMOGNATHA. 

 Family SUOOINEID^. 



60. Suocinea obliqua Say. 



Samburg, Reelfoot Lake (68686). 



51. Succinea ovalis GUI. 



Samburg, Reelfoot Lake (68683) ; Mouth of Wolf Riv., Memphis 

 (68684) ; Richland Creek, Belle Mead Farm, near Nashville 

 (69282). 



52. Succinea avara Say. 



Samburg, Reelfoot Lake (68687) ; Chattanooga (69281). 



LIMNOPHILA. 



Family LIMN^ID^. 



53. Limnsea desidiosa Say. 



Samburg (69297) ; Bellevue (69295) ; Johnson City (69298) ; 

 Knoxville (69075). 



54. LimnSea columella Say. 

 Knoxville (69076). 



55. Limnaea humilis Say. 

 Johnson City (69299). 



66. Planorbis trivolvis Say. 



Samburg (69250, 69301). 

 57. Planorbis bicarinatus Say. , 



Emory River, near Harriman (69302). 



