25s 
This species appears to thrive whenever introduced in the South, usually 
in urban or suburban gardens and uncultivated plots. It is a very vora- 
cious eater, feeding on both vegetable matter and other snails. 
Achatina fulica Ferussac 
Plate I, A 
This is a very large species, adults often obtaining a shell length of 125 
mm. or more. The shell is yellowish or horn-colored, with reddish- 
brown transverse streaks. The whorls are spirally striate, rounded, 
with moderately impressed sutures. The aperture is ovate-lunate to 
roundly lunate, the outer lip sharp and not reflected. The columella is 
abruptly truncate. 
Distribution: East Africa and Madagascar. Introduced into India, China, 
Formosa, Ceylon, Borneo, Malaya, Mauritius, Philippine Islands, Hawaii, 
and.many of the south Pacific islands. 
This ''giant African snail'' is an extremely serious agricultural pest, 
causing a great amount of damage nearly everywhere it has been intro- 
duced. It was imported at several maritime ports aboard returned war 
equipment, but did not become established. 
Family BULIMULIDAE 
This is mainly a South American family, although a few members reach 
into the southern United States, and to Australia, Melanesia and New 
Zealand, The shell is medium to large in size, generally rather oval, 
higher than wide, and often quite brightly colored. 
Porphyrobaphe iostoma (Sowerby) 
Piate-l,  C 
Shell large, high-spired, thick, imperforate, with a dull to moderately 
glossy surface. The surface is covered with coarse, rather irregular 
growth-wrinkles and may or may not have spiral striae. Color white to 
pinkish-brown, mottled or flecked with yellow, brown, or purple. The 
columella has a plait, but is not truncate. The outer lip is characteristi- 
cally purple, reflected and heavily thickened. The aperture is semi-ovate. 
Adult shells (with 5-6 whorls) measure 50-75 mm. in length. 
Distribution: Peru, Ecuador. Often intercepted with bananas imported 
from those countries. 
