t xxi. ] 



- # 



HELICID^. 



Synonymy and Reference to 

 Plate 9. 



XOLOTREMA. 



Fig. 1. X. elevata, Say. Jour. Acad. Nat. Sci., ii., 

 p. 154, 1821. 

 Say, Am. Conchology, t. 37, f. 2, Mar., 1832. 

 Binney, Bost. Jour. Nat. Hist., i., p. 4:-iO, t. 19 



May,- 1837. 

 Binney, Terr. Moll., ii. p. 126, t. 9, 1851. 

 W. G. Binney, 1. c, iv., p. 52, 1859. 

 H. Knoxvillina, Ferussac. Hist. Nat. t. 49, f. 



5, 6. 

 S. Tennesseensis^Jjea,. Trans. Am.Pliilos. Soc, 



xix., p. 1, 1844. No. 



" 2. X. Clarkii, Lea. Proc. Acad. Nat. Sci., x., 

 p. 41, Mar., 1858. 

 W. Gr. Binney, 1. c. iv., p. 53, t. 77. f. 10, 

 1859. . ' No. 



" 3. X. OBSTRICTA, Say. Jour. Acad. Nat. Sci., 

 ii., p. 154, 1821. 

 Bland, Ann. N. Y. Lye. Nat. Hist., vii., p. 

 438, 1862. 

 M. palUata,var. a., Say. Jour. Acad. Nat. Sci., 

 ii., p. 152, 1821. 

 Binney, Terr. Moll., ii,, p. 136, t. 1.5, 1851. 

 S. palliata, var. Carolinensis, W. G. Binney 



1. c. iv., p. 57, 1859. 

 H. Carolinensis^ Lea, Trans. Am. Philos. Soc, 



iv., p. 108, t. 15, f. 33, 1831. 

 jS". Tielicoides, Lea. 1. c. iv., p. 109, t. 15, f. 34, 



1831. No. 



'* 4. X. PALLIATA, Say. Jour. Acad. Nat. Sci., ii., 

 p. 152, 1821. 

 Binney. Terr. Moll., ii., p. 136, part, t. 14, 



1851. 

 W. G. Binney, 1. c. iv., p. 56, part, 1859. 

 Bland, 1. c. vii., p. 433, 1862. No. 



See also fig. 7. 



