ffl®[LIL[D§(Bft. 
PLATE 2 
Class Gasteropoda 
Sub class Ctenobranchiata 
Order Peetiiubrauchiata 
tiyiparus Paludina costata. 
Family CapiiKflffi 
1 4- Capulii-S unyaricus 
5 6 Hipponyx mitrula 7 8 Am a] the a australis 
9-11 Hippony oormu>opi& 
Withers, d&l. 
J I V. A7.lp.7l.Zith 
