32. Cyclostoma 80 S. Europe, Africa }
Cyclophorus 100 India, Philippines }--on land.
Pupina 80 Philippines, New Guinea }
33. Helicina 150 W. Indies, Philippines, Central
America, Islands in Pacific--on land.
34. Acicula 5 Britain, Europe, Vanicoro--on leaves
and at roots of grass.
Geomelania 21 Jamaica--on land.
ORDER III.--Opisthobranchiata.