﻿96 Scraps in Natural History. 



Paludince. 



1. Paludina limosa, Say, rare. 



2. P. lapidaria, Say, rare. 



Physce. 



1. Physa heterostropha, Say, common. 



2. P. gyrina, Say, common. 



Lymnece. 

 1. Lymnea elodes, Say, frequent. 



MelanicB. 



1. Melania exilis, Haldeman, common. 



Succinece. 

 1. Succinea obliqua, (campestris,) Say. 



Anodontce. 

 1. Anodonta Ferussaciana, Lea, frequent 



Cyclades. 



1. Cyclas similis, Say, common. 



Alasmodontce. 



1. Alasmodonta edentula, Say, frequent. 



2. A. calceola, Lea, frequent. 



Richmond, Wayne County, Indiana, April, 1844. 





i 



Physce. I have found these only in running water. 



Melania. Thousands are destroyed by swine in low stages of our streams. 

 These quadrupeds turn over the flat stones, to the under side of which the M. exilis 

 adheres, and greedily devour the molluscs. 



Succinea obliqua. I found great numbers of these adhering to the trunk of a 



*it feet high from the swamp in which the tree stood. 



