Fiff. 1. Fggs of Poroconxa (’urynome, i’tiached lo Potamogcton. stem; River 
'rorrens. Adelaide. 
Fig. 2. Kggs of Poroconxa hirtijrons, attached to surface of pebble; Stephens 
Creek Reservoir. Xew South Wales. (Knlarged 3i diams.). 
