OP CONCIIOLOGY. 273 



Fig. 19. H.cellaria, Miiller. Hist. Verm., No. 230, 



(1774.) No. 9. 



Binney, 1. c. ii., p. 230, t. 29, fig. 4, (1851.) 

 H. glaphyra, Say ? Nicholson's Encycl., iv., t. 

 1, fig. 3, (1816.) 



" 20. H. capsella, Gould. Binney, 1. c. ii., p, 239, 



t. 29a, fig. 1, (1851.) No. 18. 



S. rotula, Gould. (Preoc.) Proc. Bost. Soc 

 Nat. Hist., iii., p. 38, (1848.) 



HELLICELLID^, 



Synonymy and Keference to 

 Plate 4. 



RYALINA. 



" 21. H. Kopnodes, "Win. G. Binney. Proc. Acad. 



Nat. Sciences, p. 186, (1857.) No. 7. 



Terr. Mollusks, iv., p. 104, t. 80, fig. 14, (1859.) 



" 22. H. inornata, Say. Jour. Acad. Nat. Sciences, 



ii., p. 371, (1822.) No. 10. 



Binney, 1. c, ii., p. 227, t. 34, (1851.) 



" 23. H. subplana, Binney, 1. c, ii,, p. 229, t. 33, 



(1851.) No. 11. 



" 24. H. nitida, Miiller. Hist. Yerm., ii., No. 234, 



(1774.) No. 13. 



H. lucida, Draparnaud. Hist. Nat des Moll,, 

 p. 103, t. 8, figs. 11, 12, (1805.) 

 Binney, 1. a, ii., p. 233, t. 22a, fig. 2, (1851.) 

 H. hydrophila, Ingalls' MSS. 



" 25. H. electrina, Gould. Invertebrata of Mass., 



p. 183, fig. Ill, (1841.) No. 15. 



Binney, 1. c, ii., p. 236, t. 29, fig. 1, (1851.) 



" 26. H. ottonis, Pfeiffer. Wiegmann's Archiv. 



far Naturgesch, i., p. 251, (1840.) No. 14. 



Binney, 1. o, ii., p. 238, t. 29a, fig. 3, (1851.) 



" 27. H. Breweri, Newcomb. Proc. Cal. Acad, Nat. 



Sciences, p. 118, (1864.) No. 12. 



" 28. H. vortex, Pfeiffer. Archiv. fur Naturgesch., 



ii., p. 351, (1839.) No. 17. 



H. selenina, Gould. Proc. Bost. Soc. Nat. Hist., 

 iii., p. 38, (1848.) 

 Binney, 1. c, ii., p. 240, t. 29a, fig. 2, (1851.) 



