WINDPIPE

The linings of this organ should be clean and free of obstruction or mucous exudations.

Gapes.—Small worms about three-quarters of an inch long are found attached to the trachea.

Aspergillosis.—A whitish mold will be seen along the inside of the windpipe.

Pneumonia.—The bronchial tubes contain a thick mucous exudate.

Congestion of lungs.—Blood escaped from congested lungs is found in the bronchi.