British Freshwater Entomostraca. 357 
estuarine region of the rivers and near the coast. This year 
1 have found N. simplex, Schmeil, also in Horsey Mere and 
Fig. 2. 
NN) ae 
\ . 
\\ 
FOP IT IDA: 
u Sn 
Ryser 777 
SS ate 
Nitocra simplex. 
1. First antenna of male, last two joints. 
2. First leg of male. 
3. Third leg of female, last joint of external branch. 
4, Furea and operculum of male. 
5. Fifth foot of male. 
6. Fifth foot of female. 
Hickling Broad, but I have only met with it in decayed 
stems of Typha angustifolia when searching for Horsielia 
