40 THE NAUTILUS. 



A careful examination of the text of the second edition of the 

 Exotic Conehology shows that this is the only name included in it 

 which is likely to affect the existing nomenclature. 



SOME SHELLS OF MISSISSIPPI AND ALABAMA. 



BY A. A. II1NKLEY. 



(Concluded from July Number , p. 36). 



Family SUCCINEID^E. 



Succinea concordialis Gould. Durant, Miss., one dead shell was 

 all found. In the summer of 1904 this species was plentiful at the 

 R. R. bridge across Little Muddy near Du Bois, 111. 



Succinea aurea Lea. Florence, Ala. 



Family LIMNAEID^E. 



Lymncea desidiosa Say. Tuscaloosa and Florence, Ala. 

 Lymner.a caper ata Say. Boligee, Ala. 

 Lymncea cohimella Say. Florence, Ala. 

 Physa gyrina Say. Florence, Ala. 

 Physa heterostropha Say. Tuscumbia, Ala. 

 Physa pomilia Conrad. A rill below Columbus, Miss. 

 Physa troostiana Lea. Spring above Florence, Ala. 

 Planorbis trivolvis var. glabratus Say. Shoal creek, Florence, 

 Ala. 



Planorbis trivolvis Say. Durant, Miss. One specimen. 



Planorbis dilatatus Gould. Grenada, Miss. 



Segmentina wheatleyi Lea. Boligee, Ala. 



Ancylns elatior Anthony. Tennessee river, Florence, Ala. 



Ancylus kirklandi Walker. Tombigbee and Yalabusha rivers. 



Ancylus rhodaceus Walker. Tennessee river, Florence, Ala. 



Family AURICULID^E. 



Carychium exiguum Say. Abbeville, Miss. Only found two 

 specimens. 



Family STREPOMATIDJE. 



Io spinosa Lea. Tennessee river, Florence, Ala. One specimen 

 only of this fine species was found. 



