JULY, 1906. 
NOTES ON WISCONSIN MOLLUSCA. 
93 
87. Lampsilis (Proptera) gracilis Barues. 
Boom, and north branch of the Fox River at Menasha, Winne- 
bago Co. ; Winnebago Lake, near High Cliff, Calumet Co. 3404, 
Milwaukee River, Wis. Nat. Hist. Soc. 11022, "Wis.," Wiswall 
collection. Our collecting failed to corroborate the Milwaukee 
river locality. 
Obovaria (Pseudoon) ellipsis Lea. 
11030, "Wis.," Wiswall collection. 
Plagiola securis Lea. 
Between Prairie du Chien and De Soto, Bunde & Upmeyer 
collection, C. E. Brown. 
Plagiola (Amygdalonaias) elegans Lea. 
11012, "Wis.," Wiswall collection. 
88. Plagiola (Amygdalonaias) donaciformis Lea. 
Kinnickinnic river, near Eleventh avenue ; La Crosse. 11080, 
"Wis.," Wiswall collection. 
A single valve only from the Milwaukee locality, which is 
therefore questionable. 
Tritogonia tuberculata Barnes. 
10693, Sugar river, Brodhead, Green Co., H. H. Hayssen. 
10998, 10999, "Wis.," Wiswall collection. Between Prairie du 
Chien and De Soto, Bunde & Upmeyer collection, C. E. Brown. 
89. Strophitus edentulus Say. 
Milwaukee river, from Lindwurm to the Schlitz icehouse ; 
Kinnickinnic river, near Eleventh avenue, young; mill pond at 
Hika, Manitowoc Co. 11042, "Wis.," Wiswall collection. Beasley 
brook, She-she-pe-comeo Park, Waupaca Co., C. E. Brown, Aug., 
1903. 
90. Anodonta cataracta Say. 
Golden Lake, Waukesha Co.,; Maple Lake, Oneida Co. 
Inasmuch as Simpson, Synopsis, p. 632, discredits the north- 
western records of this species, the identification as above might 
be challenged. The specimens seem to be this species rather than 
A. marginata Say. 
