

CATALOGUE 



No. 1. Uuio abruptus, Say. 



orbiculatus, Hildreth. 



No. 2. Unio iEsopus, Green. 



No. 3. Unio alatus, Say. 



megaptera, Rafinesque. 



No. 4. Unio anodontoides, Lea. 

 teres? Raf. 



No. 5. Unio CatillUS, Conrad, 

 coccineus 1 Hild. 

 Gouldianus, (white nacre,) Ward. 



"No, 6. Unio cicatricosns. Say. 

 varicosus, Lea. 



