18 THE NAUTILUS. 



I 



Bifidaria rupicola Say. | 



Varicella gracillima floridana Pils. ] 



Blue Hill, Horr's Island, Lee Co. (near Key Marco), collected 

 by Clarence B. Moore. 



Thysanopliora plagioptycha Shutt. i 



Piipoides modicus Gld. ,( 



Bifidaria p. hordeucella Pils. < 



Bifidaria rupicola Say. ', 



Vertigo variolosa Gld. ] 



Guppya gundlachi Pfr. I 

 Vitrea dalliana ' Simps.' Pils. 



Boca Grande Ket, Monroe Co., collected by Stewardson Brown ' 



and H. W. Fowler. j 



Drymaeus multilineatus Say. i 



Cerion incanum Binn. , 



Succinea floridana Pils. 



I 



Boca Chica Ket, Monroe Co. Collected by Dr. H. A. Pilsbry, , 



C. T. Simpson, S. Brown and H. W. Fowler. , 



Chondropoma dentatum Say. 



Truncatella caribaeensis ' Sby ' Rve. \ 



Truncatella bilabiata Pfr. I 



Helicina orbiculata Say. 



Helicina orbiculata clappi Pils. ' 



Thysanophora selenina Gld. , 



Thysanophora incrustata Poey. ! 



Thysanophora plagioptycha Shutt. ■ i 



Praticolella jejuna Say. 

 Cerion incanum Binn. 

 Pupoides modicus Gld. 

 Bifidaria p. hordeacella Pils. 

 Bifidaria rupicola Say. 



Varicella g. floridana Pils. i 



Guppya gundlachi Pfr. ^ 



Vitrea dalliana ' Simps.' Pils. , 



FiKAHATCHEE Ket, Lee Co. Collected by Clarence B. Moore. | 



Helicina orbiculata Say. i 



Helicina o. clappi Pils. 

 Polygyra c. carpenteriana Bid. 



