400 OHIO STATE ACADEMY OF SCIENCE. 



A Few Species Not Recorded from Ohio, Probably or Possibly 



to be Found. 



Hyalina rhoadsi Pilsbry ; in various states. 



Hyalina capsella Gould; Kentucky and southern Indiana. 



Philomycus (Pallifera) hemphilli W. G. Binney ; Kentucky and 



northern Michigan. 

 Vallonia perspectiva Sterki; Indiana, close to the Ohio line. 

 Vertigo bollesiana Morse; New York, Michigan, etc. 

 Planorbis crista Linne (v. cristatus Drap.); several states. 

 Ancylus elatior Haldeman; Kentucky. 

 Vivipara sp. ; Indiana, etc. 

 Lampsilis fatua Lea; Beaver River, Pa. 

 Lampsilis obscura Lea; Lower Ohio River. 

 Sphaerium walkeri Sterki; Indiana, Michigan, Canada. 

 Pisidium, numerous species known from Indiana, Michigan, etc. 



