100 A EE VISION OF THE ASTACID^. 



Alabama: Blouut Spring and Cullman, Sand Mountain ; Bridgeport. (See page 69.) 



Mississippi : Ocean City. 



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



25. C. Diogenes. 



New Jersey : Hamilton Township, Mercer Co. 



Pennsylvania : Derry 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 Eidge ; Evanstou ; Belleville ; Decatur ; Chicago ; Abiugdon. 



Michigan : Detroit. 



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



Iowa : Davenport. 



Missouri : Carroll Co. ; St. Louis. 



Kansas : Leaveuworth. 



Colorado : Cleai 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 Sagiuaw. 

 Indiana : New Albanj'. 



27. C. dubius. 



Virginia : Peuningtou's Gap, Lee Co. 



West Virginia : Cranberry Summit, Preston Co. 



Tennessee : Cumberland Gap. 



28. C. Nebrascensis. 



Dakota : Fort Pierre. (Girard.) 



29. C. Uhleri. 



Maryland : Caroline Co. ; Dorchester Co. ; Talbot Co. ; St. Mary's Co. ; Wicornico 

 Co. ; Somerset Co. ; Worcester Co. 



30. C. extraneus. 



Georgia : Etowah Eiver, Eome. 



Tennessee : Tennessee Eiver, near border of Georgia. 

 81. C. Girardianus. 



Alabama : Cypress Creek, Lauderdale Co. 

 32. C Jordan!. 



Georgia : Etowah Eiver, Eome. 



