ACHATINA.— Plate XX. 



Pfeiffer, Pro. Zool. Soc. 1845, p. 138. 

 Hab. Jamaica ; Gosse. 



An interesting delicately ribbed shell, distinguished by 

 its sharp acicular form. 



Species 115. (Mus. Cuming.) 



AcHATlNA Californica. Achat, testa cyliudraceo-elon- 

 gatd, anfractibus tredecim, oblique creberrime striatis, 

 basin versus subangidato-planaiis, ultimo basi acute 

 carinato, infra carinam peculiariter excavato, coluiiielld 

 valdi arcuatd, calloso-marginatd, aperturd parvd, sub- 

 quadratd ; cereo-albicante. 



The Californian Achatina. SheU cylindrically elon- 

 gated, whorls thirteen in number, obliquely very 

 closely striated, rather angularly flattened towards 

 the base, last whorl sharply keeled at the base, pecu- 

 liarly excavated beneath the keel, columella very 

 much arched, caOous at the edge, aperture small, 

 somewhat square ; waxen white. 



Pfeiffer, Symbote, vol. iii. p. 89. 



Hab. Monterey, California. 



This very remarkable species is mainly distinguished 



by the excavated and keeled growth of each whorl at the 



base. 



Fig. 116. (Mus. Cuming.) 

 .VcHATiNA ACCINCTA. Ali^eady described and figured 

 from a lighter specimen in the preceding plate, Sp. 101. 

 ForSp. 116, see Pl. XXIII. 



Fig. 117. (Mus. Cuming.) 

 AcuATiNA LUBRiCA. Referred to the genus Bulimus, 

 Sp. 645. For Sp. 117, see PI. XXIII. 



Species 118. (Mus. Cuming.) 



.\(HATINA SUTCRALIS. Achat, testd oblongo-ovatd, spird 

 breviuscttld, conicd, suturis impressi-s, anfractibus ijuin- 

 que, convexis, lavibus, politis, columella subrectd, trun- 

 catd; corned, solidiusculd, pellucidd. 



The sutural Achatina. Shell oblong-ovate, spire 

 rather short, conical, sutures impressed, whorls five 

 in number, convex, smooth, polished, columella nearly 

 straight, truncated ; horny, rather solid, transparent. 



Fo/gphemiis suturalis, Pfeiffer, in Wiegman Arcliiv. 1839, 

 p. 353. 

 Glandina sntuniUs, PliQippi. 



Hab. Cuba. 



An oblong transparent polished shell, belonging to the 



group Gla>idina of Dr. Philippi. 



