The term bronchial glands, as usually applied, includes not only the lymph-nodes about the bronchi, but also the peritracheal, infratracheal and hilus groups. The tracheal group consists of from seven to ten nodes situated along either side of the lower part of the trachea, more numerous on the right and varying in size from a pea to the size of a bean. The bronchial glands proper include the infratracheal group and the glands about the stem bronchi. They attain their greatest size and are most numerous beneath the right bronchus. The tracheal glands are in relation to the superior vena cava and with the vagus and recurrent laryngeal nerves. The left recurrent nerve, because of its lower origin, is in contact with the trachea for a much longer distance and is more liable to compression than the right one. When these glands are swollen, they may be in contact with