bearded, but the secondary vane is so inconsiderable that they resemble hair.

Gen. 1. Casuarius.-Bill compressed laterally; head surmounted by a long protuberance, which is covered with a bony substance; the skin of the head and the upper part of the neck naked. Intestines short; cœcum small; intermediate stomach wanted.

Gen. 2. Dromiceius.-Bill depressed, without any helmet on the head; naked only around the eye, without caruncles.

Family 2. ROSTRO PRESSO.

Legs tall, without any great toe, or, if it be present, not long enough to reach the earth; bill of a moderate size, strong enough to bore the ground and search for worms.

Fringa squatorola.

Gen. 2. Vannus.-Great toe scarcely distinguished; tarsi scaled with escutcheons. Tringa vanellus.

Gen. 3. Hamatopus.-Bill wedge-shaped, and very strong; tarsi reticulated; no great toe. Hæmatopus ostralegus.

Gen. 4. Tachydromus of Iliger.-Bill thin and evenly conical; wings shorter.

Gen. 5. Microdactylus of Geoffroy.-Bill longer, hooked, and cloven as far as the eye.

Microdactylus cristatus; palameda of Gmelin.

Family 3. ROSTRO CULTRUM SESE FERENTE. Bill thick, strong and long, frequently cutting and pointed. Cocal appendages short.

Group 1. Grues.

Bill straight, cloven but a short distance within the head; the membraneous furrow of the nostrils, which is broad and concave, occupies nearly half the length of the bill; tarsi scaled with escutcheons.

Gen. 1. Psophia of Linné.—Bill shorter than the rest; the head and neck covered only with down; circle about the eye naked.

Psophia crepitans of Linné.

Ardea pavonia.

A. virgo.

Ardea helias. Tail graduated. Gen. Eurypya of Iliger. Agreeably to our definition, it would seem that, contrary to the judgment of Cuvier, each of these species ought, from a difference of form, to be considered as being of different genera. Gen. 3. Cancroma. See CANCROMA. Group 2. Ardea.

extended very nearly to the point. Chief characBill cloven as far as their eyes; nasal furrow teristic consists in having the nail of the middle toe short and toothed at its inner edge. Ardea major.

A. minuta Danubialis.

Gen. 4. Anastomus of Iliger.-Mandibles not meeting; erect at the point. Ardea pondiceriana.

A. Coromandalina.

head.