= Pea 
This species is avery active predator which feeds on land snails. It is 
usually found in places where other land snails are numerous. 
Family ACHATINIDAE 
This is a large group of mainly tropical snails, which vary greatly in 
size from the giant African snail Achatina to the minute Cecilioides, Their 
shape varies from oval, as in the former species, to long and thin in the 
latter. All of them are longer than wide. Several species have proven to 
be of considerable economic importance after introduction into foreign 
lands. The species included in this publication belong to six genera, 
Cecilioides, Opeas, Lamellaxis, Subulina, Rumina, and Achatina, 
Cecilioides aperta (Swainson) 
The shell is imperforate, very small and slender, fragile, smooth, and 
transparent, Adults (with 5-6 whorls) are about 4-5 mm. long. The 
whorls are moderately rounded; the apex is round and blunt. The aperture 
is narrowly ovate-lunate, the columella slightly truncate and with a rather 
heavy callus on the parietal wall. The lip is sharp and not reflected. The 
animals of C. aperta, and also C, acicula, have the usual two pairs of 
tentacles, but they lack eyes. 
Distribution: West Indies. 
This species, and the related C, acicula, are ground dwellers that are 
transferred from place to place onthe roots of tropical plants, By this 
method C, aperta apparently has been distributed to many places in the 
Old World tropics, to Florida, and to greenhouses in several Northeastern 
States, Its economic importance is probably slight. 
Cecilioides acicula (Muller) 
Plate liek 
The shell of this species is very similar to C, aperta in size and general 
shape, but differs in having more flat-sided whorls with very fine spiral 
striae, no callus on the parietal wall, and an abruptly truncate columella. 
Distribution: Central and western Europe. Introduced in Bermuda and 
the United States (records from Pennsylvania and Florida). 
