Fig. 3a. Thirteen abdominal and one caudal segment.
ANOMOLOCARIS (?) ACUTANGULUS, new species
Fig. 5. A carapace, very rare.
DESCRIPTION OF PLATE III.
ORYCTOCEPHALUS REYNOLDSI Reed
Fig. 1. A nearly entire specimen twice enlarged. Not rare.
BATHYURISCUS OCCIDENTALIS (Matthew)
Fig. 2. A very rare species.
BATHYURISCUS ORNATUS Walcott
Fig. 3. A comparatively rare species.
KARLIA STEPHENENSIS Walcott
Fig. 4. A small and rather rare species.
PTYCHOPARIA CORDILLERAE (Rominger)
Fig. 5. This is one of the common species. It is usually about one-half the size of this figure.
PTYCHOPARIA PALLISERI, new species.
Fig. 6. A large rare species.
AGNOSTUS MONTIS Matthew
Fig. 7. The fragments of this species are very abundant in some layers.
BURLINGIA HECTORI Walcott
Fig. 8. Greatly enlarged. This is a small, very rare species.