INTRODUCTION. 1 1 



8. Helix sylvatica Drap. t. 6. f. 1. 

 H. austriaca Rossm. Icon. t. 1. f. 7. 

 H. vindebonensis Pfeiffer. 



Inhab. south of France near 

 Lyons, and Switzerland. 



Introduced into the list by Mr. 

 Kenyon. {Mag. N. Hist. i. 427.) 

 Deshayes believes it is only a variety 

 of H. nemoralis (Lam. H. ed. 2. 55.), but it is quite 

 distinct 



9. Helix lucorum Linn. s. n. 1247., Muller, 46., 



Ferus. Moll. t.21. f. 2. 

 H. castanea Olivier, Voy. t. 17. f. a. b. 

 Helix mutata Lam. 



A native of Italy and the Levant. 



Introduced by Pulteney, who believed it was 

 our H. aspersa. 



10. Helix caspitum Drap. 109. t. 6. f. 14, 15., Pfeiffer, 



17. t. 6. f. 11, 12., Rossm. Icon. t. 1. f. 16., t. 36. 



f.513, 514, 515 (not 516.). 



A native of the south of France, Spain, and 

 Syria. 



Introduced by Mr. Jeffreys, who believed it to be 

 the same as H. ericetorum, from which it differs in 

 being rounder and higher. 



11. Helix neglecta Drap. 108. t. 6. f. 12, 13., Rossm. 



Icon. t. 26. f. 355. 



A native of the south of France, Italy, and Syria. 



Introduced by Mr. Jeffreys as a variety of H. 

 virgata. It is more like a variety of H. ericetorum, 

 than of H. virgata, but is still distinct from either. 

 b 6 



