HELIX. 115 



8. HELIX BUFFONIANA, PFEIFFEE. 

 Plate XLIII. 



H. testa ventricosa, sub-imperforata, griseo-albida, granu- 

 losa, fasciis tribus rufis cincta.; apice sub-acuto ; anfracti- 

 bus quatuor, anfractu ultimo permagno ; apertura obliqua, 

 ampla ; labro sub-reflexo. 



SYNONYMS AND KEFEKENCES. 



H. buffoniana, Pfeif., Menke's Zeitsch. fur Malacozoul. Oct. 1845, p. 152. 

 Symb. Helioeor. III. No. 473. 

 Monog. Heliceor. I. 196. 

 Philippi, Abbild. &c. Helix, p. 47. tab, IX. fig. 2. 



DESCRIPTION. 



Animal. Not noticed. 



Shell. Ventricose, grayish white, spire acuminate ; 

 whorls four, rapidly enlarging in diameter from the apex 

 to the aperture, last whorl very ample, with rough irregu- 

 lar striae and wrinkles : aperture obHque, large ; Up 

 narrow, white, sub-reflected ; umbilicus only partially 

 covered by the reflection of the lip as it rises from the 

 base : base turgid, a thin testaceous deposit connecting 

 the two extremes of the hp ; surface of the shell shar 

 greened or covered with minute rough granulations ; 

 three rufous bands revolve upon the whorls, only partly 

 visible on the spire. 



Greatest transverse diameter, one inch and a half. 



Geographical Distribution. Inhabits Mexico, in 

 some parts of which it is abundant. 



