398 Mr. Jerrreys on the Testaceous Pneumonobranchous 
judging from the appearance of French specimens of that 
shell in the cabinet of Mr. Dillwyn. 
Genus III. HELIX. Auct. 
Animal mediocre: sustentaculo lato, testam equiparante vel 
parüm superante. 
Testa conoidea seu depressa: umbilico subcentrali. 
* Subglobose, inequilaterales ; umbilico indistincto, in juni- 
oribus perforato. 
1. AsPERSA. ; : 
Animal superne verrucosum, luteo-griseum, fascià dorsali 
pallidiore. 
Testa subrotundo-ovata, globosa, solidior, lutea, fasciis 
quatuor subrufis. Anfractus 4. Apertura subrotundo- 
lunata: peristomio albo, reflexo. 
Long. 1.5.— Diam. 1. | 
Helix grisea. Linn. Syst. Nat. 1. p. 1247? Dilla. 
Cat. 2. p. 943. 
—-— aspersa. Müll. Verm. 2. p. 59. 
hortensis, Penn. Zool. 4. p. 136. t. 84. f. 129. 
a. fasciis quinque fuscis angustis. 
-. B. fascia unica alba, strigisque transversis. 
F ventricosa, anfractibus ferè Se 
^ -Common in old walls, gardens, &c. The var. a is from 
the neighbourhood of Leith; and the dist i 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 Linnzus, 
from the great uncertainty which prevails in his descrip- 
ic the | de species, | do not think that name 
ought to be retained to the exclusion of the more apt and 
oe ee CC PITT How 
