f xxxvii. ] 



Fig. 7. P. DECORA, Gould. Best. Proc. ii. p. 263 (1847). 



Binney, 1. c. ii. p, 327, t. 71, f. 3 (1851). No. 6. 



" 8. P. RowELLi, Newcomb. Ann. Lye. Nat. Hist, 

 vii. p. 146. 

 Bland, Ann. Lye. Nat. Hist. viii. p. 166 (1865). No. 7. 



" 9. P. Californica, Rowell. Ann. Lye. Nat. Hist, 

 vii. p. 287. 

 Bland, Ann. Lye. Nat. Hist. viii. p. 166 (1865). No. 8. 



LEUCOCHILA. 



" 11. L. MARGINATA, Say. 



Cyclogtoma marginata. Say. Jour. Acad. Nat. 



Sci. ii. p. 72. 

 Bulimus marginatus (pars), W. G. Binney, 1. c. 



iv. p. 186 (1869). 

 Bulimus fallax, Gould (pars). Binney, 1. c. ii. 



p. 288 (1851). 

 :Pupa albilabris, Adams. Moll. Vermont. 

 Bulimus marginatus, Say. Tryon, Am. Jour. 



Conch, i. p. 286 (1865). No. 1. 



" 10. L. FALLAX, Say. Jour. Acad. Nat. Sei. v. 



(1825). 

 Bui. marginatus (pars), W. G. Binney, 1. c. iv. p. 



136 (1859). 

 Bupa fallax, Gould {Tpars). Binney, 1. c. ii. p. 



288 (1851). 

 Bulimus fallax, Say. Tryon, Am. Jour. Conch. 



i. p. 286 (1865). No. 2. 



" 12. L. Arizonensis, Gabb. Am. Jour. Conch, ii. 



p. 331, t. 21, f. 6 (1866). No. 3. 



" — . L. HORDACBA, Gabb. Am. Jour. Conch, ii. p. 



331, t. 21, f. 7 (1866). No. 4. 



" 14. L. MODiCA, Gould. Proc. Bost. Soc. iii. p. 40 

 (1848). 

 Binney, 1. c. ii. p. 319, t. 52, f. 2 (1851). No. 5. 



" 15. L. ARMIFERA, Say. Jour. Acad. Nat. Sci. ii. p. 

 162. 

 Binney, 1. c. ii. p. 320, t. 70, f. 4 (1851). No. 6. 



" 16. L. CONTRACTA, Say. Jour. Acad. Nat. Sci. ii. 



p. 374. 

 Binney 1. c. ii. p. 324, t. 70, f. 2 (1851). 

 Pupa deltostoma, Charpentier. Chemnitz, Conch. 



Cab. nov. edit. p. 181, t. 21, f. 17—19. No. 7. 



