74 
BULLETIN OF WISCONSIN NATURAL HISTORY SOCIETY. VOL. 4, NO. 3. 
Polygyra Triodopsis elevata Say. 
"Wisconsin." Pilsbry and Johnson, Catalogue, p. 13. 
This did not appear in the collections, and it is not reported by 
Baker from the Chicago area. 
7. Polygyra Triodopsis) thyroides Say. 
Wauwatosa ; Johnson's woods ; Kinnickinnic valley, near 
Eleventh avenue. Kenosha, Mrs. WiswalTs list. "Wisconsin, 
I. A. Lapham," S. M. C, VIII, 148. 
This species also is scarce, no living specimens being taken. 
Polygyra Triodopsisi clausa Say. 
"Wisconsin," Binney, Smithsonian Misc. Coll., VIII, 149. 
Said to live on the leaves of the elderberry (Sambucus), Naut, 
III. 132. "Western Pennsylvania to Minnesota," Pilsbry arid 
Johnson. 
This species was not reported. 
8. Polygyra (Stenotrema) hirsuta Say. 
Valleys of the Milwaukee, Menomonee and Kinnickinnic ; 
North Point ; Mishicot, Manitowoc Co., under conifers. 2997, 
Humboldt, Wis.. W. M. Wheeler. "Milwaukee, Wis., I. A. 
Lapham," Smith. Misc. Coll., VIII, 119. 
9. Polygyra (Stenotrema) monodon Rackett. 
Menomonee valley and woods near Wauwatosa. 2996, Hum- 
boldt, W. M. Wheeler. Kenosha, Mrs. Wiswall's list. 
An edentate specimen was collected near Wauwatosa, and two 
others from the Menomonee river dredgings. 
9a. Polygyra monodon fraterna Say. 
Lake bluffs, north and south of Whitefish Bay resort; 
Castalia Park ; Johnson's woods ; Reynolds' woods at Layton 
Park ; Oak's farm, Cudahy ; Oak Creek, near South Milwaukee. 
"Milwaukee, Wis., I. A. Lapham," Smith. Misc. Coll., VIII, 123. 
Polygyra monodon leai Ward. 
"Milwaukee, Wis., I. A. Lapham," Smith. Misc. Coll., VIII, 
123. This form did not occur in the collections. 
