26 

 PULMONATA LIMNOPHILA. 



Family AOTICT7LID.SL 

 Sub-Family AUEICULIN5L 

 Genus CAEYCHIUM, Muller. 

 C. exiguum, Say. In moist, shaded stations. 



Sub-Family MELAMPIME. 

 Genus MELAMPUS, Montfort. 

 v M. bidentatus Say. Coast marshes. 



Family JL.IM.1VJ3SI33J3B* 



Sub-Family LIMNJEINJE. 



Genus LIMNJEA, Lamarck. 



Sub-genus RADIX, Montfort. 



B. colurnella, Say. Ponds and streams ; near Selma, 

 Sub- genus LIMNOPHYSA, Fitz. 



y L. desidiosa, Say, Small streams and swamps. 



L. caperata, Say. " " "- 



7 L. humilis, Say. " u " near Selma. 



Genus PHYSA, Draparnaud. 



P. gyrina, Say. Streams and springs. 



P. elliptica, Lea. Streams and springs. P. oleacea, Try- 

 on. Bridgeport. 



P. crocata, Lea. Streams and springs. 

 P. Showalterii, Lea. Stream from Artesian well, Union- 

 town. 



P. anatina, Lea. Streams. 



P. Whitei, Lea. Streams in Georgia and Alabama. 

 P. pomilia, Conrad. " Eandon's creek, near Claiborn." 



Genus BULINUS, Adanson* 

 B. hypnorum, Drap. Swampy stations. 

 Genus PLANORBIS, Guettard. 

 P. glabratus, Say. 



