Subcutaneous emphysema is a rare complication of asthma. Only nine caseslhave been reported since Watson1first described the complication in 1885. Because of the paucity of information concerning this condition, we report the following case: REPORT OF CASE J. B., a boy aged 16 years, admitted to the University Hospital, Oct. 18, 1935, complained of shortness of breath of seven days' duration. He described the dyspnea as expiratory. The attacks were accompanied by an audible wheeze and terminated in cough productive of small amounts of white frothy sputum. The first asthmatic paroxysm occurred in June 1934. Since then he had been troubled from June to October of each year. Grain dust and hay dust were thought to initiate respiratory symptoms. The past history was negative. A maternal uncle was known to have asthma. When he was examined the patient was having a mild asthmatic attack. The pulse rate was 132 per minute, the