346 LAND AND FRESHWATER MOLLUSCA OF MANITOBA. 



Cionella sub-cylindrica Linn. {=Cochlicopa lubrica Milll.) — 

 Among moss and grass-roots in moist spots beside sleughs 

 near Carberry, but not common. Turtle Mountain ; Lake 

 of the Woods (Dawson). 



Pupa contracta Say. — One specimen (the only representative 

 of the genus seen) from among grass-roots beside a sleugh 

 near Carberry. 



Succinea haydeni Binney. — Pembina Mountain (Dawson). 



S. oval is Gould. — Lake at High-bluff; quite common on wet 

 moss and weeds beside lakes and sleughs near Carberry and 

 Brandon. Lake of the Woods (Dawson). "From Norway 

 House to York Factory ; very numerous at the latter place 

 among grass on damp ground which is occasionally covered 

 with fresh-water at high tide " (Bell). 



S. avara Say. — Edge of a lake at High-bluft ; many bleached 

 specimens were strewn over the dry alkaline surface of a 

 large shallow pond-hole at Two Creeks, about twenty miles 

 north of Virden, Lake of the Woods (Dawson). 



S. obliqua Say. — Lake of the Woods; Dufferin (Dawson). 



S. hawkinsii Baird (=6". elegans Risso.) — Fairly common on 

 edges of lakes round Carberry, Birtle, &c. 



Carychium exiguum Say. — Edge of sleughs near Carberry ; 

 Pine Creek ; dry pond-hole near Brandon. Apparently well 

 distributed. 



Limnsea stagnalis Linn. — Very common, though it does not 

 appear in all lakes. The specimens are sometimes very fine, 

 and, as a rule, all those in any one lake appear to be of 

 about the same size. I have fine specimens from lakes near 

 Birtle, Rapid City, and Carberry ; also smaller ones from 

 Cook's Lake, near Shoal Lake, cSz:c. " In nearly all the lakes, 

 streams, and marshes from Manitoba to York Factory " 

 (Bell). 



L. megasoma Say. — " This fine species was found living in 

 considerable numbers in the Echimamish River, between 

 the Nelson and the Height of Land. Its discovery at this 



J.C, iv., July, 1885. 



