4. The Ayacore.—Language peculiar.

5. The Parana.—Ditto.

6. The Encapelladas.—This is a Spanish name, applied as a collective term to the following tribes of the Upper Napo.—a, the Abicheres; b, the Angateres; c, the Cunchies; d, the Ycahuates; e, the Payaguas.

The most eastern of these are probably Omagua.

II. French Guiana.—For French Guiana I find the following tribes, or nations, in the Atlas Ethnologique, being unable to give them any ethnological position:—

1. Rocouyenne.—Nearly annihilated by—

2. The Oampi—The most numerous and powerful nation of French Guiana, occupants of the Upper Oyapok.

3. Emerillons.—A numerous and independent nation of French Guiana, on the River Inini. Stature tall; language not known through any vocabulary.—Balbi: Atlas Ethnologique, xxix.

The details of the ethnology of America having been thus imperfectly exhibited, the first of the two questions indicated in pp. [351], [352], still stands over for consideration.

A. The unity (or non-unity) of the American populations one amongst another, and—