73 
» Alasmodonta radiata,Conrad, 
: sculptilis, Say, 
* truncata, Say, Unio calceolus, Lea, 
undulata, Say, 
ANODONTA. 
» Anodonta cataracta, Say, marginata, Say, 
« declivis, Conrad, 
P grandis, Say, 
implicata, Say, 
imbecillis,Say, 
inflata, Say, 
lugubris, Say, 
* subvexa, Conrad, 
suborbicu- 
. lata, Say, 
, undulata, Say, rugosa, Swainson. 
OBSERVATION. ee 7 
I stated that a variety of Unio declivis, Say, had been found 
in East Florida, but I have since ascertained that it is a dis- 
tinct species. 

