1896.] NATURAL SCIENCES OF PHILADELPHIA. 503 



129. Unio lawi Lea. 



Emory River, Harriman (69223). 



Described from the Tennessee River, Tuscumbia, Ala., and the 

 Holston. 



130. Unio ligamentinus Lam, 



Holston River, 1 mile above junction with Tennessee River 

 (68335) ; Tennessee River, near Williams Island, Chattanooga, 

 (68348) ; Tennessee River, above Knoxville (68368) ; Clinch 

 River, above Patton's Ferry, Roane Co. (68360) ; Harpeth River, 

 6 miles south of Bellevue (68699). 



The shells are constantly smaller and rounder than in specimens 

 of Illinois and Iowa. 



131. Unio muMfeldtianus Lea. 



Watauga River, near Johnson City (69225). 

 Described from the Cumberland River. 



132. Unio multiradiatus Lea. 



Emory River, near Harriman, Roane Co. (68318) ; Clinch 

 River, above Patton's Ferry, Roane Co. (68338) ; Watauga River, 

 near Johnson City, Washington Co. (68336). 



133. Unio obliquus Lam. 



Holston River, 1 mile above junction with French Broad 

 (69217) ; Tennessee River, near Chattanooga (69214). 



134. Unio ovatus Say. 



Tennessee River, 2 miles above Knoxville (69279) ; Holston 

 River, 1 mile above junction with French Broad (69218). 



135. Unio parvus Say. 



Reelfoot Lake, Obion Co. (68359). 



136. Unio phaseolus Hild. 



Tennessee River, near Chattanooga (69202) ; Emory River, near 

 Harriman (69369). 



137. Unio pictus Lea. 



South Harpeth River, 6 miles from Bellevue (68385). 

 This was described from Harpeth River specimens. 



138. Unio pilaris Lea. 



Tennessee River, 2 miles above Knoxville (69213); Holston 

 River, 1 mile above junction of French Broad (69219); Clinch 

 River above Patton's Ferry. 



