THE NAUTILUS. 59 



Pyramidula striatella catskillensis, Pils. Wauwatosa; Mishicot. 



Helicodiscus h'neatus, Say. Vicinity of Milwaukee. 



Punctum pygmaeum, Drap.? Whitefish Bay. 



Succinea retasa, Lea. Vicinity of Milwaukee. 



Succinea ovalis, Say. Vicinity of Milwaukee. Abundant. 



Succinea ovalis, cf. totteniana, Lea. Vic. of Milwaukee. 



Succinea avara, Say. Vicinity of Milwaukee. 



B. UNIONID^E. 



Lampsilis ventricosus, Barnes. Milwaukee River ; Clear Water 

 Lake, Oneida Co.; Lake Winnebago. 



Lampsilis luteolus, Lam. Milwaukee River ; Okauchee Lake, 

 Golden Lake and Fox River, Waukesha Co.; Clear Water Lake, 

 Oneida Co.; Boom, Winnebago Co.; Two Rivers, Manitowoc Co.; 

 Lake Winnebago ; ? ancient shell heaps at Winneconne, Winne- 

 bago Co. 



Lampsilis superiorensis, Marsh. ? Two Rivers, Manitowoc Co. 



Lampsilis /igamentinus, Lam. Milwaukee River; Fox River, 

 Waukesha Co.; Clear Water Lake, Oneida Co.; ? Winnebago Lake 

 at Menasha. 



Lampsilis rectus, Lam. Fox River, near Big Bend, Waukesha 

 Co. (pathologic). 



Lampsilis iris, Lea. Milwaukee River at Milwaukee. 



Lampsilis ellipsiformis, Conrad. Milwaukee River ; Fox River, 

 Waukesha Co.; Hika, Manitowoc Co. 



Lampsilis alatus, Say. Lake Winnebago at Menasha ; Two 

 Rivers, Manitowoc Co. 



Lampsilis (jracilis, Barnes. Fox River and Lake Winnebago at 

 Menasha; Boom, Winnebago Co. 



Plcigiola donaciformis, Lea. Kinnikinnick River, Milwaukee. 



Strophitus edentulus, Say. Milwaukee and Kinnikinnick Rivers ; 

 Hika, Manitowoc Co. 



Anodonta cataracta,? Say. Maple Lake, Oneida Co.; Golden 

 Lake, Waukesha Co. 



Anodonta imbecilis, Say. North shore of Lake Winnebago (juv.). 



Anodonta grandis, Say. Milwaukee River; Wauwatosa; Fox 

 River, Okauchee Lake and Golden Lake, Waukesha Co.; Two 

 Rivers, Manitowoc Co.; Winnebago Lake at Menasba ; Maple Lake, 

 Oneida Co. 



