PLATE III.

Fig. 1. PARADOXIDES ETEMINICUS

1. Variety suricoides (after Matthew).

la. A small pygidium (after Matthew).

16. Medium sized head, flattened (after Matthew).

1c. Variety breviatus (after Matthew).

1d. Variety pontificalis (after Matthew).

le. Head of a young individual in the Hartt collection shortened
by compression, enlarged to four diameters.

1f. Head of a young individual showing wide frontal rim, enlarged
to two diameters (after Matthew).

1g. Head showing narrower frontal rim than fig. 1ƒ, enlarged to
two diameters (after Matthew).

Fig. 2. PARADOXIDES LAMMELLATUS.

2, 2a. The two type specimens of the species. 2a is enlarged to two
diameters.

Fig. 3. PARADOXIDES ACADICUS...

3. A distorted specimen showing the pygidium and portions of the
thorax and head, enlarged to two diameters.

3a. Head; natural size.

(340)

60