Part 12 (2/2)

Demi-relief, the projection of one half the figure beyond the plane from which it rises.

Dendrites, a stone on which are tree-like markings.

Devonian, the geological age between the Silurian and Carboniferous.

Diluvium, the time when the glacial beds were deposited.

Diorite, a tough rock, in color whitish, speckled with black, or greenish black.

Dolichocephalic, a skull whose diameter from the frontal to the occipital bone exceeds the transverse diameter.

Dorsal, the name given to the second division of the vertebrae.

Drift, a collection of loose earth and bowlders, distributed during the glacial epoch over large portions of the earth's surface.

Druidical, pertaining to the religious ceremonies of the ancient Celtic nations in France, Britain, and Germany.

Dynasty, a succession of kings of the same line or family.

Eccentricity, the distance of the centre of the orbit of a heavenly body from the centre of the body round which it revolves.

Edible, eatable.

Elliptical, having an oval or oblong figure.

Eocene, the oldest of the three epochs of the tertiary.

Epoch, any period of time marked by some particular cause or event.

Esplanade, a clear s.p.a.ce, or gra.s.s plat.

Fauna, the animals of any given area or epoch.

Flora, the complete system of vegetable species native in a given locality, or period.

Fluor-spar, a mineral of beautiful colors, composed by fluorine and calcium.

Fluvio-marine, the deposits formed by the joint action of a river and the sea.

Foramen, a little opening.

Fossa, a depression in a bone.

Fossil, the form of a plant or animal in the strata composing the surface of the earth.

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