32 THE NAUTILUS. 



Bifidaria p. hordeacella Pils. 

 Bifidaria rupicola Say. 

 Varicella g. floriclana Pils. 

 Vitrea dalliana ' Simp.' Pils. 

 Guppya gundlacbi Pfr. 

 Succinea floridana Pils. 



BIG PINE KEY, Monroe Co. Collected by H. A. Pilsbry, C. T. 

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



Truncatella caribaaensis succinea Ad. 



Helicina o. clappi Pils. 



Helicina tantilla Pils. 



Thysanophora incrustata Poey. 



Polygyra c. carpenteriana Bid. 



Urocoptis poeyana variegata Pfr. 



Microceramus pontificus Gld. 



Strobilo[)S hubbardi Br. 



Pupoides modicus G1<1. 



Bifidaria p. hordeacella Pils. 



Bifidaria rupicola Say. 



Vertigo variolosa Gld. 



Euglandina r. parallela Binn. 



Vitrea dalliana ' Simps.' Pils. 



Guppya gundlacbi Pl'r. 



Zonitoides minuscula Binn. 



Succinea floridana Pils. 



PORPOISE POINT, Monroe Co. Part of a key. Collected by 

 Clarence B. Moore. 



Polygyra c. carpenteriana Bid. 



Bifidaria p. hordeacella Pils. 



RABBIT KKY, Monroe Co. Collected by Clarence B. Moore. 

 Truncatella bilabiata Pt'r. 



Polygyra cereolus carpenteriana Bid. Many of the specimens 

 from this place lack the internal lamina. 

 Bifidaria p. hordeacella Pils. 

 Bifidaria rupicola Say. 



EAST CAPE, CAPE SABLE, Monroe Co. Collected by Clarence 

 B. Moore. 



Helicina o. clappi Pils. 



