LIGUUS. 163 



the middle of the lower surface ; the earlier whorls either white, pink 

 or with the lower half of each one purple. Whorls 7 to 8, somewhat 

 convex, the last either subangular or rounded at the periphery; apex 

 obtuse, smooth. 



Aperture small, oblique, varying from pure white to dark purple 

 within, paler near the lip; peristome acute, unexpanded, the basal 

 margin excised ; columella concave and deeply excavated above, its 

 base abruptly truncated ; and with the parietal callus, of a deep pink 

 color. 



Alt. 52, diam. 27, longest axis of aperture 24^ mill. 



Alt. 49, diam. 20, longest axis of aperture 20 mill. 



Alt. 37, diam. 21^, longest axis of aperture 18 mill. 



Alt. 3G, diam. 17, longest axis of aperture 14^ mill. 



Haiti : Miragoane (Rolle); /ac/?ze/(Vendryes); Aux Cayes (Swift); 

 Gonave Island (Linden) ; and in Santo Domingo, environs of Santi- 

 ago (Hjalmarson), Barrera, San Juan and Neyba (A. Salle). 



Butta virginea LINNE, Syst. Nat. (12), p. 1186 (1766). CHEM- 

 NITZ, Conchyl. Cab. ix, pt. 2, p. 8, pi. 117, f. 1002, 1003 ; and x, pi. 

 173, f. 1G82, 1683 (sinistral form). GMELIN, Syst, Nat. (13), p. 

 3429. DILLWYN, Descript. Catal. i, p. 491. MAWE, The Linnaean 

 Syotem of Conch., pi. 22, f. 6 (1823). Buccinum virgineum MULLER, 

 Hist. Vermium ii, p. 143 Bulimus virgineus BHUG., Encycl. Metli. 

 i, p. 363. Helix (Cochlitoma) virginea FER., Prodr., p. 49, no. 344. 



Achatina virginea LAM., An. s. Vert, vi, pt. 2, p. 131 ; edit. De- 

 shayes viii, p. 299 CROUCH, Illustr. Introd. Lam. Conch., 1827, 

 p. 29, pi. 15, f. 5. REEVE, Conch. Syst. ii, pi. 176, f. 2; Conch. 



Icon. pi. 10, f. 36. SOWERBY, Conchol. Man., f. 286 KUSTER, 



Conchyl. Cab. pi. 7, f. 8, 9 ; pi. 14, f. 9, 10 (sinistral). DESHAYES 

 in Fer., Hist., p. 152, pi. 118, f. 3, 4, (red banded form), pi. 120, f. 

 2-7, and 8 (sinistral). PFR., Conchyl. Cab., p. 300, pi. 24, f. 8-10; 

 Monogr. ii, p. 255 ; iii, 489; iv, 604; vi, 221 ; viii, 277. BINNEY 

 and BLAND, Amer. Jour, of Conch, vi, p. 209-211, f. 3, 4 (teeth) ; 

 Land and Freshwater Shells of N. A. i, p. 212, f. 364 (jaw). 

 HjALMAiisc-N and PFEIFFER, Malak. Blatter v, p. 153. DROUET, 

 Moll. Terr. Guyane Francaise, p. 69 Achatina virginice BLAIN- 

 VILLE, Man. de Malac., p. 456, pi. 38, f. 2. 



Chersina virginea BECK, Index Moll., p. 74 (1837). 



Liguus virgineus MONTFORT, Conch. Syst. ii, p. 423, pi. 106 (1810). 

 BINNEY and BLAND, Ann. N. Y. Lye. Nat. Hist, xi, p. 41, pi. 3, 



