ACHATINA.— Plate XVI. 
delicate spiral cord, which Dr. Pfeiffer does not appear to 
have remarked. 
Species 74. (Mus. Cuming.) 
Aciiatina striatella. Acliat. testa subidato-turritd, 
tenui, anfractibus decern , creberrime et subtilissime cos- 
tulato-striatis, ultimo obscure angulato, subproducto, 
columella tenui, contorta, attenuate truncate t, apertura 
pared, oblongo-ovata ; pellucido-comed. 
Tiie finely striated Achatina. Shell subulately tur- 
reted, thin, whorls ten iu number, very closely sculp- 
tured with fine ribs, last whorl obscurely angled and 
slightly produced, columella thin, twisted, attenuately 
truncated, aperture small, oblong-ovate ; transparent 
horny. 
Helix striatella, Dang, Annales Sci. Nat. vol. xxiv. p. 38. 
pi. 3. f. 7. 
Hah. Prince’s Island, West Africa ; Dang. 
The sculpture of this shell is not unlike the Achatina vi- 
vipara, which is of a stouter texture and less subulate form. 
Species 75. (Mus. Cuming.) 
Achatina claves. Achat, testa acuminato-oblongd, sub- 
Pupceformi, soUdiasculd, anfractibus novem ad decern, 
plano-convexis, exilissime arcuate striatis, columella, 
arcuatd, apertura, parviusculd ; sordide olivacea, epi- 
dermide tenui cornea, brunnescente induta. 
The nail Achatina. Shell acuminately oblong, some- 
what Pupa-shaped, rather solid, whorls nine to ten in 
number, flatly convex, very delicately striated iu a 
curved direction, columella arched, aperture rather 
small ; dull olive, covered with a thin brownish epi- 
dermis. 
Pfeiffer, Symbolic, vol. iii. p. 90. 
Hub. ? 
This species has a much more solid appearance than the 
rest of the group. 
, Species 76. (Mus. Cuming.) 
Achatina tenuispira. Achat, testa elongato-turritd, 
suluris suhprofunde impresm, anfractibus undecim, 
tenuissime elevato striatis, columella valde arcuatd; 
pellucido-corned. 
The thin spire Achatina. Shell elongately-turreted, 
sutures rather deeply impressed, whorls eleven in 
number, very finely elevately striated, columella much 
arched ; transparent homy. 
Benson, Journ. Asiatic Soc., 1836, vol. v. p. 353. 
Hob. Darjeeling, Sikkim-Himalaya. 
A delicate transparent species from the locality in which 
Dr. Hooker is at this moment occupied in his natural 
history researches. 
Fig. 77. (Mus. Cuming.) 
For description of this species, see Bulimus, PL LXX. 
For Achatina, Sp. 77, see PI. XXI. 
Species 78. (Mus. Cuming.) 
Achatina paxillus. Achat, testa subulatd, subfusiformi, 
solidiusculd, basi rotnndatd, anfractibus novem, sub- 
plano-convexis, obligub tenuistriatis, columella arcuatd, 
subcontortd, apertura pared ; albidd, epidermide tenui 
corned luteo-olwaced induta. 
The peg Achatina. Shell subulate, somewhat fusi- 
form, rather solid, rounded at the base, whorls nine 
in number, rather flatly convex, obliquely finely stri- 
ated, columella arched, slightly twisted, aperture 
small ; whitish, covered with a thin horny yellowish- 
olive epidermis. 
Hab. ? 
This is rather a stout shell, peculiarly rounded at the 
base. In other respects it approaches very closely to 
A. clams. 
