Cephalopoda.

1.

Eurystomites undatus, Emmons.

2.

Plectoceras obscurum, Hyatt; or some closely related species.

3,

4 and 5. Three species of Orthoceras, as yet undetermined. They are not well preserved and require better specimens before they can be identified. These are probably of the age of the Trenton of southern Canada.

(C)—From a slab of bituminous shale:

1.

Asaphus latimarginatus, Hall. I cannot distinguish this form from the species usually designated in Canada as Asaphus canadensis, Chapman, from the Utica shale.