152 Clement L. Counts, III 



Summers Co.: SR 3, 3.4 km E of Bluestone Dam (MUMC 500); SR 3, 

 2.6 km E of Nimitz (MUMC 504). Wayne Co.: Cabwaylingo State Park 

 (MUMC 292). 



Mesodon perigraptus (Pilsbry, 1894). — Populations of this snail 

 were found in the southern half of West Virginia, and a single popula- 

 tion in the eastern panhandle in Grant County (Fig. 11). Mercer Co.: 

 Flat Top (MUMC 311). 



Mesodon dentiferus (Binney, 1837). — Populations were found in 

 the eastern part of the state, with an isolated population in Wayne 

 County and another in Wirt County (Fig. 12). Grant Co.: SR 91, 11.4 

 km E of Tucker Co. line (MUMC 465). Greenbrier Co.: SR 39, 24 km E 

 of Richwood (MUMC 357). Nicholas Co.: SR 39, 1.6 km W of Sum- 

 mersville (MUMC 227). Pocahontas Co.: SR 39. west entrance to 

 Monongahela National Forest (MUMC 206); Beartown State Park 

 (MUMC 568); SR 39, 11.2 km W of Cranberry Glades (MUMC 617). 

 Wayne Co.: Cabwaylingo State Park (MUMC 290). 



Mesodon pennsylvanicus (Green, 1827). — This species was found 

 most frequently in the northern part of the state, with two isolated 

 southern populations (one each in Monroe and Wayne counties) (Fig. 

 13). Ohio Co.: SR 2, 1.6 km E of Warwood (MUMC 262). Wayne Co.: 

 SR 75, Lavalette (MUMC 97). 



Mesodon mitchellianus (Lea, 1839). — The populations of M. mitch- 

 ellianus were widely scattered throughout the state, with the heaviest 

 concentration in the northern panhandle (Fig. 14). Other scattered pop- 

 ulations were found in the southern and central counties, with one pop- 

 ulation in westernmost Wayne County. Boone Co.: SR 3, 4.6 km E of 

 US 119 (MUMC 431, 497). Clay Co.: Elkhurst (MUMC 116). Ohio Co.: 

 Wheeling (MUMC 245); CR 15, 1.6 km E of Wheeling at Petes Creek 

 (MUMC 252); SR 2, 1.6 km E of Warwood (MUMC 263). Summers 

 Co.: SR 3, 3.4 km E of Bluestone Dam (MUMC 498). Wayne Co.: SR 

 75, Lavalette (MUMC 106). 



Mesodon clausus (Say, 1821). — Three widely separated populations 

 of M. clausus were found (Fig. 15). Wayne Co.: SR 75, Lavalette 

 (MUMC 195). 



Mesodon rugeli (Shuttleworth, 1852). — Populations of M. rugeli 

 were found only in the southern counties (Fig. 16). Fayette Co.: US 60, 

 7.5 km W of Gauley Bridge (MUMC 218). 



Mesodon inflectus (Say, 1821). — Only one M. inflectus population 

 has been found in West Virginia (Fig. 17), and represents a new state 

 record. Fayette Co.: US 60, 7.5 km W of Gauley Bridge (MUMC 219). 



Stenotrema hirsutum (Say, 1817). — Stenotrema hirsutum is the 

 most widely distributed species of the genus in West Virginia (Fig. 18). 

 Barbour Co.: Audra State Park (MUMC 605). Boone Co.: Peytona 



