Plate II

Fig. 1.-Codaster lora, n. sp. Summit view.

Fig. 2.-Lateral view of another specimen of the same species.

Fig. 3.-Edriocrinus adnascens, n. sp.

Fig. 4. Dalmanella pygmæa, n. sp. Posterior view, showing the sinus

and fold.

Fig. 5.-Dalmanella pygmæa, n. sp. Dorsal view of a typical specimen. Fig. 6.-Dalmanella rockhousensis, n. sp. Interior view of a ventra! valve, showing the characteristic diductor muscle-scars.

Fig. 7.-Dalmanella rockhousensis, n. sp. Ventral view.

Fig. 8.-Dalmanella rockhousensis, n. sp. Lateral view, to show the distinct convexity of the dorsal valve.

Fig. 9.-Dalmanella macra, n. sp. Interior of a ventral valve, showing the very minute diductor muscle-scars.

Ventral view of a typical specimen.
Ventral view.

Fig. 10.-Dalmanella macra, n. sp.
Fig. 11.-Dictyonella subgibbosa, n. sp.
Fig. 12.-Dictyonella subgibbosa, n. sp.

X IO.

Enlargement of the surface pits,

Fig. 13.-Dictyonella subgibbosa, n. sp. Lateral view, to show the thick umbonal region and the strongly incurved ventral beak.

Fig. 14.-Chonetes wadei, n. sp. Ventral view of the holotype, x 2. Fig. 15.-Pholidostrophia lindenensis, n. sp. Dorsal view of a nearly complete specimen.

Fig. 16.-Profile of the same.

Fig. 17.-Chonetes hudsonicus camdenensis, n. mut.

natural cast.

Fig. 18.-Strophonella punctulifera holladayi, n. var.
Fig. 19.-Strophonella punctulifera holladayi, n. var.

Ventral view of a

Profile view. Ventral view of the

imperfect holotype, showing the characteristic surface orna-
mentation.

Fig. 20.-Strophonella lineolata, n. sp.
Fig. 21.-Profile of the same species.
Fig. 22.-Brachyprion purduei, n. sp.
Fig. 23.-Brachyprion purduei, n. sp.

Dorsal view.

Ventral view.

Interior view of the ventral valve.

Fig. 24.-Leptana ingens, n. sp. Ventral view of a natural mold of the interior, showing the characteristic muscle-scars.

Fig. 25.-Chonetes fornacula, n. sp. Ventral view, x 2.