FIGS.

PLATE X.

1. Holcostephanus cf. baini (Sharpe)

...

Apertural view of the specimen shown in the previous plate, fig. 2.

PAGE

199

2. Holcostephanus rogersi sp. nov.

201

...

Another view of the specimen shown in the previous plate, fig. 3.

3. Holcostephanus modderensis sp. nov.

202

3a. Apertural view. Modder Drift, Sunday's River. In the col-
lection of the Geological Society of London (No. 10976).

4. Meyeria schwarzi sp. nov.

4. Fifth and sixth abdominal segments and telson, viewed dor-
sally; 4a, telson x 2; 4b, lateral view of abdominal segments
ii.-vii., with a trace of the swimming appendage of segment
vi., × 2. The same specimen has already been shown in plate
viii., fig. 22.

r

212