Smithsonian Report, 1917. — Safford. 



Plate 36. 



Mollusks of Royal Palm State Park. 



1, Tree snails, Liguus fasciatus; 2, Cannibal snail, Glandina truncata; 3, Polygyra septemvolm volvoxis; 

 4, Polygyra ovulifera; 5, Helicina orbiculata clappi; 6, Planorbis duryi; 7, Physa gyraena; 8, Ampullaria 

 depressa; 9, Musculium partumeium. Natural size. 



