JULY, 1906. 
NOTES ON WISCONSIN MOLLUSCA. 
79 
street to Castalia Park ; Chicago avenue at Cabeen's farm ; Oak's 
farm, Cudahy ; Root river, at Loomis road, Town Franklin. 
3023, Milwaukee Co., W. N. Wheeler. Kenosha, Mrs. Wiswall's 
list. 
36a. Pyramidula striatella catskillensis Pilsbry. 
Johnson's woods, in roots of an oak tree; Mishicot, Manito- 
woc Co., under conifers. See Naut. XII, 86; XIII, 70. 
The occurrence of this interesting mutation, so remote from 
its type locality, is worthy of special notice. There seems no 
question of the identification, or of the distinctness of characters. 
37. Helicodiscus lineatus Say. 
Whitefish Bay resort and bluffs to south ; Menomonee valley 
from Soldiers' Home to Castalia Park. ''Milwaukee, Wis., I. A. 
Lapham," Smith. Misc. Coll., VIII, 53. 
Punctum pygmseum Draparnald. 
(?) Bluffs south of Whitefish Bay resort. Identification of 
'single dead shell doubtful. 
38. Succinea ovalis Say. 
(Syn. Succinea obliqua, Say.) 
Milwaukee River valley below Schlitz ice-house ; Mud Creek 
valley at North Milwaukee, abundant and large ; Menomonee 
river dredgings, and valley at Castalia Park and Wauwatosa, 
Revnolds' woods, Layton Park. "Milwaukee, Wis. (obliqua), 
I. A. Lapham," Smith. Misc. Coll., VIII, 266. 
38a. Succinea ovalis Say, var. 
A form approaching var. totteniana was taken in the Mud 
Creek valley near Teutonia avenue, and at Castalia Park, 
Wauwatosa. 
39. Succinea retusa Lea. 
(syn. Succinea ovalis Gould, not Say.) 
Ogden-Copeland arboretum, near Whitefish Bay ; Mud Creek 
valley from North Milwaukee to mouth ; Menomonee valley, 
near Mitchell Park and above Wells street; Honey Creek, near 
Layton Park ; Cabeen's woods, Chicago avenue. Kenosha (as 
ovalis, Gould), Mrs. Wiswall's list. "Milwaukee, Wis., I. A. 
