GEOGRAPHICAL DISTRIBUTION. aay 
Table showing the Geographical Distribution of every Species of Cam- 
barus and Astacus as far as yet ascertained. 
Genus CAMBARUS. 
Group I. 
1. C. Blandingii. 
Ss 
New York. 
New Jersey: Essex Co.; Delaware River and tributaries near Trenton, Mercer Co. 
Maryland: Baltimore Co.; Caroline Co.; Dorchester Co. ; St. Mary’s Co. ; Somerset 
Co.; Wicomico Co.; Worcester Co. 
Virginia: James River; Lunenburg. 
North Carolina: Tarboro; tributaries of Neuse River, Goldsboro; Kinston; Beau- 
fort; Salmon Creek ; Wilmington. 
South Carolina: Camden; Saluda River; Columbia. 
Georgia: Richmond Co. 
VAR. acuta. 
South Carolina: Charleston; Beaufort. 
Alabama: Mobile; Blount Spring, Blount Co.; Cullman, Cullman Co.; Decatur, 
Morgan Co.; overflow of Tennessee River, near Bridgeport, Jackson Co. - 
Mississippi: tributary of Tombigbee River, Kemper Co.; near Vicksburg. 
Louisiana: Tickfaw ; Amite City ; New Orleans. 
Tennessee : Memphis. 
Missouri: St. Louis. 
Illinois: Athens; Decatur; Pekin; Normal; Oquawka; Peoria; Lawn Ridge; 
Evanston. 
Indiana: Wheatland, Knox Co. 
Iowa: West Liberty ; Dubuque. 
Wisconsin: Racine; Sauk City. 
. fallax, 
Florida: St. John’s River at Jacksonville, Orange Bluff, Hawkinsville, Horse Land- 
ing, Blue Spring, and Lake Jessup; Magnolia; Indian River; Titusville, Bre- 
vard Co. 
. Hayi. 
Mississippi: Macon; Artesia. 
. Clarkii. 
Texas: between San Antonio and El Paso del Norte; San Antonio: Waller Co. 
Louisiana: New Orleans; Tangipahoa River. 
Mississippi: Ocean Springs, Jackson Co. 
Alabama: Mobile. 
Florida: Pensacola; three miles below Horse Landing, St. John’s River. 
. troglodytes. 
Georgia: Richmond Co. 
South Carolina: Charleston; Oakley ; Columbia. 
