U. S. NATIONAL MUSEUM 



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PROCEEDINGS. VOL 93 PLATE 19 



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New antillean Mollusks. 



1, 2, Emilia rostratula; 3, 4, Cooperella atlantica; 5-10, PzVar (Nanopitar) pilula (9, 10: 

 hinge); 11, 12, Poromya rostrata; 13, 14, Asthenothaerus balesi; 15, 16, Arene vanhyningi; 

 17, 18, Arene riisei; 19-21, Glyphepithema floridana. 



