THE NAUTILUS. 83 
PoLyGyRA PLICATA Say. Kentucky, Tennessee and the adja- 
cent parts of Georgia and Alabama. Helix hazardi Bld. is syno- 
nymous. The name plicata was not preoccupied in Polygyra, to 
which genus Say originally referred this species. 
PoLyGYRA DORFEUILLIANA Lea. Washington to Cooke Coun- 
ties, Texas, through Indian Territory, Ark., La. to the Coosa River, 
Ala., north to Arkansas City, Kansas, Benton County, Mo., and 
Kentucky opposite Cincinnati. 
POLYGYRA DORFEUILLIANA SAMPSONI Wetherby. Texas, Indian 
-Terr., Mo., Ark. 
PoLYGYRA FASTIGIATA Say. Henry Co., Ky. to Montgomery 
and Franklin Counties, Tenn. Helix fastigans Lucy Say in Bld., is 
a synonym. 
PoLyGYRA JACKSONI (Bld.). Indian Territory, Ark., and Mo. 
north to Camden Co. 
POLYGYRA JACKSONI DELTOIDEA Simpson. Fort Gibson, Indian 
Territory. 
POLYGYRA TROOSTIANA Lea. Tennessee, Kentucky. 
*k * 2k 
PoOLYGYRA OPPILATA (Moric). Cedar Keys (Binney). A south- 
ern Mexican and Yucatan species, the occurrence of which in Flor- 
ida requires confirmation. 
POLYGYRA MOOREANA (\W.G. Binney). Central and southern 
Texas. 
POLYGYRA MOOREANA THOLUS (W.G. B.). Washington County, 
Texas. 
PoLYGYRA BICRURIS (Pfr.). Brownsville and mouth of Rio 
Grande River, Texas. A Mexican species. 
PoLYGYRA VENTROSULA (Pfr.). A species of northwestern Mex- 
ico, reported from Texas by Binney. 
POLYGYRA VENTROSULA HINDsI (Pfr.). Texas, according to 
Binney. 
POLYGYRA MATERMONTANA Pils. Texas; also Sierra Madre, 
Mexico. 
PoLyGYRA TEXASIANA (Moric.). Indian Territory and through- 
out Texas. 
PoLtyeyRra TRIODONTOIDES (Bld.). Barry Co., Mo., Indian Ter- 
ritory, southwestern Louisiana, south to Corpus Christi, Texas. 
POLYGYRA LATISPIRA Pils. Western Texas. 
PoLYGYRA ARIADN# (Pfr.). Texas, on the Rio Grande, accord- 
ing to Binney. 
