328 Mr. Jeffreys on the Testaceous Pneumonohranchous 



judging from the appearance of French specimens of that 

 shell in the cabinet of Mr. Dillwyn. 



Genus III. HELIX. Auct. 

 Animal mediocre : sustentacula lato, testam aequiparante vel 



pariim superante. 

 Testa conoidea seu depressa: umbilico subcentrali. 



* Suhglohosa, incBquilaterales ; umbilico indistincto, in juni- 

 oribus perforato. 



1. AsPERSA. 



Animal superne verrucosum, luteo-griseum, fascia dorsali 



pallidiore. 

 Testa subrotundo-ovata, globosa, solidior, lutea, fasciis 



quatuor subrufis. Anfractus4i. .^per^a^ra subrotundo- 



lunata : peristomio albo, reflexo. 

 Long. 1.3. — Diam. 1. 



Helix grisea. Linn. Syst. Nat. 1. p. 1247? Dillw. 

 Cat. 2. p. 943. 



aspersa. Midi. Verm. 2. p. 59- 



hortensis, Fenn. Zool. 4. p. 136. t. 84. /. 129. 



a. fasciis quinque fuscis angustis. 



/3. fascia unic4 alba, strigisque transversis. 



y. ventricosa, anfractibus fer^ disjunctis. 



Common in old walls, gardens, &c. The var. a is from 

 the neighbourhood of Leith ; and the last is found on the 

 dry short grass which covers the limestone rocks at Oyster- 

 mouth near Swansea. 



Although this probably is the Helix grisea of Linnaeus, 

 from the great uncertainty which prevails in his descrip- 

 tions of the banded species, I do not think that name 

 ought to be retained to the exclusion of the more apt and 



now 



