288 MICHIGAN SURVEY, 1908. 



Range: "Maine; ProAinces of Quebec and Ontario, Canada." (Dall.) 

 Also Northern Michigan. 



Michigan: Isle Eoyale, Ontonagon County and Charlevoix. 



Isle Eoyale: Not collected in 1905. See Eeport Exped. 1904, p. 97. 



22.* Helicodisciis jmrallelus (Say). 



Range : Eastern United States, Florida and Texas, north to Manitoba. 



Michigan: Generally distributed. 



Isle Eoyale: V, 2, Heath Zone and Beach near Siskowit Bay, Nos. 

 118 A, 129 A, 130 A. 



All found among or under Cladonia, upon the rock beach slope. 



23. Punctum pygmwwm (Dr.). 



Range: "United States generally; Quebec; Manitoba; Victoria, Van- 

 couver Island, Europe." (Dall). 

 Michigan : Generally distributed. 

 Isle Eoyale : Not collected in 1905. See Report Exped. 1904, p. 97. 



24. Sphyradinni edentuliim (Dr.). 



Range: "Northern Europe, Asia and America." (Dall). 



Michigan: Generally distributed. 



Isle Royale: Not collected in 1905. See Report Exped. 1904, p. 97. 

 One of the specimens under No. 8 may belong here. 



25.* Gochlicopa luirica (Mull.). 



Range: "Europe, North Africa and Asia Minor; Siberia; Kamchatka; 

 most of North America." (Dall). 



Michigan : Generally distributed. 



Isle Royale: II, 1, Ransom Clearing, No. 150; V, 2, Heath Zone and 

 Beach near Siskowit Bay, No. 130 A. 



No. 150 was taken under a fallen log in an open place near the lake 

 and No. 130 A under Cladonia upon the rock beach. 



26.* Vallonia pulchella (Mull.) . 



Range: Europe; North Africa; Southern and Western Siberia to the 

 Amur; Madeira; the Azores; North America from Manitoba to Florida 

 and Montana to Nova Scotia." (Dall). 



Michigan: Generally distributed. 



Isle Royale: A single specimen only occurred in the collections, the 

 exact locality of which is uncertain. 



27.* Vallonia costata (Muller). 



Range: Europe; Northern United States and northward. 



Michigan : Owosso, Monroe and Isle Royale. 



Isle Eoyale : II, 1, Benson Brook, No. 150. Apparently a rare species 

 in Michigan, and this the first record in the Upper Peninsula. Under a 

 fallen log in an open sunny place near the lake. 



28.* Succinea ovalis Say. 



Range: "From Louisiana to Hudson Bay and eastward to New Eng- 

 land and Gaspe, but not west of the Mississippi valley." (Dall). 



Michigan : Generally distributed. 



Isle Royale: V, '04, Tamarack Swamp, No. 145 A. A single dead 

 shell was found at the margin of a small stream flowing from the 

 swamp. 



29.* Succinea retusa Lea. 



Range: "Northern United States, from Kentucky northward to 

 Canada and British America." (Dall). 



