954 HELIX. 



Inhabits a moist wood at Lackham, and Bow Wood, Wilt- 

 shire. Montagu. 



Shell nearly three-quarters of an inch long, and two-fifths as 

 broad, of a rusty brown colour, with seven whirls, of which 

 the lower are somewhat cylindrical, and the upper taper 

 more suddenly to an obtuse point ; it is nearly allied to 

 Jl. ohscura, but is twice as large, and rather broader in 

 proportion, and the lip is more reflected over the umbilicus. 



PEREGRiNA. 151. Shell imperforate, turreted, with 

 eight whirls, which are slightly wrinkled lon- 

 gitudinally, and the aperture ovate. 



Helix peregrina. Gmelin, p. 3668. 



Helix octanfracta. Montagu Test. p. 396, and p. 588. t. 

 1 1 . f. 8. Maton and Racket, in Lin. Trans, viii. p. 21 1. 

 Dorset Cat. p. 55. t. 18. f. 11. 

 Helix octona. Pennant Zool. iv. p. 138. t. 86. f. 135. 

 Helix, No. 267. Schroeter Einl. ii. p. 254. t. 4. f. 11. 



Inhabits stagnant water in Great Britain. Pennant, S^c. West 

 Indies. Schroeter. 



Shell about five-eighths of an inch long, and two-tenths broad, 

 of a horn-colour, and pellucid, but covered with a dusky 

 epidermis which it is difficult to remove ; it has eight whirls 

 tapering to a fine point, and well defined by a depressed su- 

 ture. 



OCTONA. 152. Shell turreted, sub-cylindricalj dia- 

 phanous, with eight rounded whirls, and the 

 summit obtuse ; aperture roundish. 



Helix octona. Linnccus Syst. Nat. p. 1248. ? Chemnitz, 

 ix. part 2. p. 190. 1. 136. f. 1624. Maton and Racket, 

 in Lin. Trans, viii. p. 211. t. 5. f. 10. Montagu Test. 

 Supp. p. 144. 

 Helix octona, Var. /?. Gmelin, p. 3653. 

 Buhmus octonus. Bruguiere Enc. Meth. p. 325. 

 Lister Conch, t. 20. f. 15. Klein Ost. t. 2. f. 45. 

 Inhabits the West Indies. Chemnitz. Guadaloupe and St. 



Domingo ; and is a land shell. 3ruguiere. 

 Linnaeus has described his H. octona to be sub-perforated, in 

 which respect it differs from the present shell, and has cited 

 Gualter t. 6. f. BB, which is Buccinuni Acicula, and badly 

 accords with his description. The present shell has been 

 described by Chemnitz under the name of H. octona, with- 

 out any reference to Linnaeus, and notwithstanding is pro- 



M 



