126 THE NAUTILUS. 



Lymnaea obrussa Say ( desicliosa Binn.). 

 Ancylus sp.? Braham's Springs, west ol Huntsville. 

 Ancylus sp. nov. Mastin's Luke, two miles north of Huntsville. 

 Ancylus sp. Collected from Braham's Springs, west of Hunisville. 

 Planorbis parvus Say. 



Planorbis parvus Say, var. A minute form from Mastin's Lake, 

 which may prove to be new. 

 Planorbis bicarinatus Say. 

 Planorbis alabamensis Pils. ? 

 PJauorbis trivolvis Say. Flat form. 



Pliysida. 



Physa sp. Tliese shells collected in Mastin's Lake are probably 

 crocatu Lea (Walker), which is, however, only a lorm of microstoma 

 Haiti. (Crandall). See NAUTILI s, Vol. XV, p. 70. 



Physa halei Lea. Braham Springs. 



Physa distorta Hald. From Big Spring Creek. 



A uriculida. 



Carychium exile H. C. Lea. 

 Carychium nanodes Clapp. 



Pleuroceratida, 



Goniobasis striatula Lea. 



Pleurocera excuratum Con. 



Pleurocera brumbyi Lea. This and the two preceding species were 

 collected from Big Spring Creek. 



Pleurocera currierianum Lea. From Bird Spring. 



In " The Fresh Water and Land Shells of Alabama," by Dr. 

 James Lewis, M. D., Goniobnsis perstriata Lea and Gotn'oLosis de- 

 canipii Lea are listed from Huntsville. But like many other species 

 in our smaller streams, they may be already exterminated by the 

 ducks and geese. Campeloma lima Anthony and Somalogyrus cur- 

 rierianus Lea are also given as coming from Huntsville, but I ob- 

 tained no specimens. 



Viviparida. 



Vivipara contectoides Binn. 



Campeloma coarctata Binn. (non Lea). From Bird Spring. 



