Pathology.—The late Dr. Flint sums up the pathology in four lines. Although brief it covers the ground, and I can not do better than reproduce it: "Acute ordinary bronchitis is an inflammation affecting a mucous structure, leading to a secretion of mucus and the production of muco-pus in greater or less abundance. Resolution takes place in this situation without the occurrence of ulcerations. It belongs among the asymmetrical diseases."
Symptoms.—The symptoms of bronchitis differ much in degree, from a slight cough and indisposition barely noticeable, to the severe attacks denominated capillary bronchitis, from which few ever recover.
In young babies and children under five, the disease usually commences with coryza, or in common parlance, "a cold in the head." This is not invariably the rule, however, for we sometimes notice abrupt seizures similar to attacks of pneumonia or croup. In addition to the usual symptoms of coryza, such as wheezing,