55 



gnnmiis m Certain <^pics of giartlr Jtmmcjm f ditik. 



Keprinted from the Transactions of the Lyceum of Natural History, New York, December, 1858. 



By Thomas Bland. 



(Continued from vol. vi. p. 362.) 



Eead 20th December, 1858. 



MeBix jmrlcwSata, Say. 



Synonymy. 



Polygyra auriculata Sa>/ Nicb. Enc. Am. ed. 1816 



" Jl. Acad. N. S., Phila., I. p. 27V. 1818 

 Helix " Fer. Prod., No. 98. 1822 



" " BinncT/ Bost. Jl. III., p. 384 (ex parte) 



PI. xix., fig. 1. 1840 



-De Kay N. Y. Moll., p. 47, pi. 3, fig. 28. 1843 

 " " -Pfr. Mon. Hel. I. No. 1084, excl. var. 1848 



" " C^e???/;i.ed.II.He!ixp.37l,t. 65,fig.3,4. 



" " Desk, in Fer. Hist. p. 76 (excl. var.) 



pi. 50, fig. 4. 

 " " Binnei/ Ten: Moll. H. p. 186 (ex parte), 



pi. xl, fig. 1 (left hand). 1851 



" " ^ccve Conch. Icon. No. 700. excl. fig. 1852 



Polygyra, " TT. 6^. .Serancy, reprint of Say, p. 10. 1856 



Helix, " " Notes on Amer. Land 



Shells in Proc. Acad., Phila., p. 191. 1857 

 " " 200. 1858 



The following is a copy of Say's description : — 



Polygyra auriculata. — Shell beneath, convex ; whorls five, a little 

 rounded, crossed by numerous raised equidistant lines, forming grooves 

 between them ; spire very little raised ; lateral line (extending from 

 the outer whorl to the apex), not convex, but somewhat concave ; mouth 

 very unequal ; lips prominent above, appressed to the preceding whorl 



