ACHATINA. SUCCINEA. 37 
colour within, and one-plaited ; apex obtuse. 14. 
W. 18. 45. 
A.PprRIAMus. Ovate, ventricose, thin, smooth, 
diaphanous, brownish rose-colour, reddish chest- 
nut square spots disposed in transverse lines ; spire 
short; lip acute. W. 18. 5l. 
** Last whorl depressed and attenuated towards the base. 
A. FOLLICULUS. Small, sub-turreted, smooth, 
diaphanous, white or yellowish horn-colour; whorls 
convex; apex bluntish. 3. B. T. 102. 
A. acicuLA. Slender, smooth, polished, 
white, with six flat volutions; the last equal in 
size to the rest together; minute. B. T. 71. 
SUCCINEA. FLUVIATILE. 
Ovate, or ovate-conical; aperture very wide, entire, 
and longitudinal ; outer lip acute, not reflected, 
united to the columella, which is protracted ; 
columella smooth, attenuated, and acute; no 
operculum. 
S. AMPHIBIA. Ovate-oblong, most thin, pel- 
lucid, yellowish; spire short ; aperture dilated be- 
neath, sub-vertical. #2. B. T. 73. 
S. OBLONGA. Ovate-oblong, fragile, longi- 
tudinally striated, lighter horn-colour than the 
last ; whorls four, convex ; aperture scarcely larger 
than theispire,-_$.\) Bb... T. 74. 
