ACHATINA. 93 
Var. crystallina. Greenish white and transparent. 
2. C. LUBRICA (slippery). 
Shaped much like the last species, but not so ventricose 
in proportion to its length; transparent, solid, greenish, 
sometimes with a reddish tinge ; whorls five to five and a 
half ; spire rounded at the point; mouth pear-shaped, and 
broader than the last species ; lip often reddish. 
This is a very common shell. It occurs in all parts 
of the British Isles in moss, under stones, logs, &c. It 
is a good plan to mount a row of these brilliant little 
objects on a strip of card. The varieties are numerous, 
as follows:— 
Var. I. hyalina. Greenish white. 
Var. IL. lubricoides. Smaller and more slender. 
Var. III. viridula. Shaped like Var. II., but 
greenish white. 
Var. LV. fusca. Smaller, thinner, reddish brown. 
Var. V. ovata. Much smaller, oval, spire shorter. 
Genus XI—ACHATINA. 
A. AcicULA (a hair-pin). 
Slender and tapering in shape, semi-transparent, white, 
thin, and very glossy ; whorls five and a half; spire obtuse ; 
apex rounded ; suture distinct; mouth long and rounded at 
the base, which has a deep notch. 
