[From the Aniinls of tlie Lj'ceum of Natural History of New York, 

 Vol. 10, May, 1872.] 



XII. Description of a New Species of Mollusc of tJie^ 

 Genus Helicina. 



BY THOMAS BLAND. 



Read April 22nd, 1872. 



Helicina. srloynei, uov. sp. 



T. subglobosa, tenuis, pellucida, pallicle cornea, epiclermide lineis spirali- 



bus, confertis, pilosulis induta, sub epidermidera nitida, striatula, lineis 



microscopicis concentricis decussatula; spiraparum elevata, apice acuti- 



cuscula, rufescente; anfr. 4^, convexiusculi, ultimus rotundatus, seri- 



(186) 



