THE NAUTILUS. 31 



months before, when the shells were received. The press of other 

 matter and tlie habit of giving other contributors precedence over 

 the Editors in our limited space, explain tiie appearance of the MS. 

 name. To tell the honest truth, I had forgotten that it was not pub- 

 lished ! 



LAND SHELLS OF SOUTHERN FLORIDA. 



BY E. G. VANATTA. 



[Concluded for p. 22.^ 



Pavilion Key, Monroe Co., collected by Clarence B. Moore. 



Truncatella caribseensis ' Sby.' Rve. 



Truncatella c. succinea Ad. 



Bifidaria p. hordeacella Pils. 



Pelican Key, Lee Co., (A small key near the entrance to 

 Chokoloskee Key), collected by Clarence B. Moore. 



Polygyra c. carpenteriana Bid. Some of the specimens lack the 

 internal lamella. 



Pine Island, Lee Co., collected by Clarence B. Moore. 



Truncatella caribaeensis ' Sby.' Rve. 



Truncatella c. succinea Ad. 



Truncatella bilabiata Pfr. 



Truncatella clathrus Lowe. 



Practicolella jejuna Say. 



Polygyra septemvolva volvoxis Pfr. 



Bifidaria p. hordeacella Pis. 



Euglandina rosea Fer. 



Euglandina rosea parallela Binn. 



Zonitoides singleyanus Pils. 



Little Pine Key, Monroe Co., collected by Dr. H. A. Pilsbry 

 and C. T. Simpson. 



Truncatella caribaeensis ' Sby,' Rve. 

 Thysanophora selenina Gid. 

 Thysanophora incrustata Poey. 

 Tiiy.-sanophora plfigioptycha Shutt. 

 Praticolella jejuna Say. 

 Polygyra c. carpenteriana Bid, 

 Microceramus pontificus GId, 

 Pupoides modicus Gld. 



