160 A REVISION OF THE ASTACID.E. 



Alabama : Blount Spring and Cullman, Sand Mountain ; Bridgeport. (See page G9.) 



Mississippi : Ocean City. 



Tennessee : Ashland City, Cheatham Co. (See page 69.) 



25. C. Diogenes. 



New Jersey : Hamilton Township, Mercer Co. 



Pennsylvania : Deny Station, Westmoreland Co. 



Maryland : Baltimore Co. ; St. Mary's Co. ; Caroline Co. ; Dorchester Co. ; Worces- 

 ter Co. ; Garrett Co. 



District of Columbia : near Washington. 



Virginia : Alexandria Co. ; Accomack Co. ; Northampton Co. ; Fredericksburg, 

 Spottsylvania Co.; Petersburg, Dinwiddie Co. 



North Carolina : Wilmington ; Kinston. 



Ohio : Kelley's Island, Lake Erie. 



Indiana : Long Lake, Kendallville, Noble Co. ; Mechanicsburg, Henry Co. ; Knox 

 Co. 



Illinois: Lawn Ridge ; Evanston ; Belleville; Decatur; Chicago ; Abingdon. 



Michigan : Detroit. 



Wisconsin : tributary of Pecatonica Eiver, Green Co. ; Appleton ; Eacine. 



Iowa : Davenport. 



Missouri : Carroll Co. ; St. Louis. 



Kansas : Leavenworth. 



Colorado : Clear Lake. 



Wyoming : Cheyenne. 



Arkansas. 



? Kentucky. 



? Tennessee. 



Mississippi : Monticello, Lawrence Co. 



Louisiana : New Orleans. 



26. C. argillicola 



Dominion of Canada : Toronto, Province of Ontario. 

 Michigan : Detroit ; East Saginaw. 

 Indiana : New Albany. 



27. C. dubius. 



Virginia : Pennington's Gap, Lee Co. 



West Virginia : Cranberry Summit, Preston Co. 



Tennessee : Cumberland Gap. 



28. C. Nebrascensis. 



Dakota: Fort Pierre. (Girard.) 

 2 'J. C. Uhleri. 



Mai viand: Caroline Co. ; Dorchester Co. ; Talbot Co. ; St. Mary's Co.; Wicomico 

 Co. ; Somerset Co. ; Worcester Co. 



30. C. estraneus. 



Georgia: Etowah River, Rome. 



Tennessee : Tennessee River, near border of Georgia. 



31. C. Girardianus. 



Alabama : Cypress Creek, Lauderdale Co. 



32. C Jordani. 



Georgia: Etowah l.'iver, Rome. 



