126 Binney on Terrestrial Mollusks. 



Biscayne, Florida. The variety described on page 273 is 

 figured on pi. 77, fig. 13. 



Ag-atina fuscata Rafinesque (vol. i. p. 50) is to be added 

 to the synonymy. 



BULIMUS SERPERASTRTTS Say vol. ii. p. 274, pi. 1. fig. 2. 



BuUmus serperastrus Say (Binne}''s ed.) p. 39. 



Chkmnitz, ed. 2, p. 82, pi. xxx. fig. 122; pi. xxxix. fig. 5, 



(1854). 

 PKKiFrEK, 1. c. iii. 341. 

 Philipi'I, Icon. iii. 23, p. 97, tab. 9, fig. 6. 

 /3 Gracilior, spira elongata. 



Bulimns Litbmanni Ffeiffek. 

 BuUmus Zitbmanni Reeve. 

 y. Minor, imperfectus. 



BuUmus niteUnus Reeve. 



The above varieties are given solely on the authority of 

 Pfeiffer. 



The geographical distribution of the species doubtfully 

 quoted by Gould as synonyms seem to remove the proba- 

 bility of their identity with this shell. 



BULIMUS ALTERNATUS Say vol. ii. p. 27G. pi. li. fig. 2; pl.ii.a; 



pi. Ixxx. fig. 3; fig. IV 

 BuUmus alternatus Say (Binney's ed.) p. 39. 



Pfeiffek, Mon. He!. Viv. ii. 221. 

 BuUmus luctanus Pfeiffek, 1. c. ii. 187; iii. 415. 



Reeve, 1. c. No. 217. 



Gould, Ter. Moll. iii. p. 35. 

 BuUmus deaWaius Bin>'ey, 1. c. pars, nee Say. 



There exists a great deal of confusion in regard to this 

 and the allied species. 



Bulimus alternatus is thus described by Say : — 



BuLiMUS ALTERNATUS. Ovate conic, with alternate gray and 

 brownish longitudinal vittae. Inhabits Mexico. 



Shell umbilicated, ovate-conic, with longitudinal lines, subequal, 

 gray and light brownisli vittie ; the brown is paler, almost approach- 

 ins in some instances a drab: the white vittM- consists of more or 



