78 
Microscopical Society of Victoria . 
EXPLANATION OF PLATES. 
PLATE IIH. 
Fig. 1. Catenicollopsis pusilia. Front view. 
„ 2. Catenicollopsis delicatula. Front view. 
PLATE V. 
Fig. 1. Catenicella ponderosa. 
it 2. n >» 
>> 3 . ,, 
,, 4. Catenicella pulckella. 
Front view. 
Back of cell. 
Back of geminate cells. 
Front view. 
