Tuberculosis.—Yellowish-white spots on liver varying in size, somewhat raised and convex; the spots or nodules may be readily separated from the rest of the liver. The liver itself is often very much enlarged. (Fowl gradually loses weight and may go lame; mesentery and spleen affected with nodules.)

Cholera.—Liver enlarged, dark green and softened, sometimes showing whitish spots.

Coccidial diarrhea.—More or less circular patches, depressed in the centre, associated with plugged cæca, the linings of which have sores.

Congested liver.—Much enlarged and engorged with blood, may be readily torn.

Fatty degeneration or fatty liver.—In the first case the liver is rather shrunken and hardened, and in the latter excessive deposits of fat may be noticed.

Liver trouble.—(Indigestion.) An enlarged liver without any of the special symptoms noted among the other diseases of the liver.

Gout.—Needle-like crystals (urate of soda) give the liver the appearance of having been covered with chalk. (Other organs in abdominal cavity covered with same powder-like crystals.)

Aspergillosis.—Necrotic areas with mold. (Fowls go light and move about in a depressed manner, resting on their breast bones.)

STOMACH

Gastritis.—The mucous membrane lining of the stomach is reddened and inflamed.