BULLETIN OF WISCONSIN NATURAL HISTORY SOCIETY. VOL. 4, NO. 3. 
Bythinia tentaculata Linne. 
"Wisconsin," Baker, Mollusca Chic. Area, p. 330. Our col- 
lecting failed to find this introduced species, which may be looked 
for any day at Milwaukee, having established itself through the 
Great Lakes system and become exceedingly abundant at 
Rochester, N. Y., Chicago, etc. 
67. Amnicola limosa Say. 
Sandy beach of Lake Michigan, north from flushing tunnel 
pumping station ; Milwaukee river at Lindwurm ; Lake Winne- 
bago, west of High Cliff, Calumet Co. Kenosha, Mrs. Wiswall's 
list. "Madison and Milwaukee, Wis., I. A. Lapham," Smith. 
Misc. Coll., VII, 84. 
67a. Amnicola limosa parva Lea. 
North bank of Milwaukee river at Linawurm ; Castalia Park, 
Wauwatosa, in stream "drift." 
67b. Amnicola limosa porata Say. 
Lake Michigan beach at the pumping stations. 
68. Amnicola lustrica Pilsbry. 
Honey Creek, near Layton Park. 
69. Amnicola (Cincinnatia) cincinnatensis Lea. 
Milwaukee river at Lindwurm ; Menomonee River dredgings ; 
Lake Winnebago, near High Cliff, Calumet Co. It is doubtful 
whether this species appertains to the genus Amnicola ; see Walker, 
Naut., XVI, 35. The spelling of the specific name requires 
emendation as above. 
70. Amnicola (Cincinnatia) emarginata Kiister. 
North shore of Lake Winnebago, west of High Cliff, Calumet 
County. 
71. Somatogyrus ■ubglobosus Say. 
Kinnickinnic river, near Eleventh avenue; Root river, at 
Loomis road, Town Franklin ; Kenosha (Mrs. Wiswall) ; Lake 
Winnebago, near High Cliff, Calumet Co. "Wisconsin," Moll. 
Chicago Area, p. 341. 
