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FOSSILS.

Series 1.—Simple.
Series 2.—Compound.

Series I. Simple Foſſils.

Tribe

1.

—Vitrifiable

Cryſtal.

2.

—Calcinable

Spar.

3.

—Inflammable

Sulphur.

4.

—Incombuſtible

Talc.

5.

—Soluble in Water

Salt.

6.

—Metalline Ores.

Ores.

TRIBE I.

Simple Vitrifiable Foſſils.

Order

1.

———Pellucid

Cryſtal.

2.

———Opake.

Earth neutral.

Family	1.—Brittle.
	2.—Tough.

TRIBE II.

Simple Calcinable Foſſils.

Order

1.

—Pellucid.

2.

—Opake.

Family	1.—Soluble in Acids.
	2.—Indiſſoluble.

TRIBE