DER31_4TOLOGY. — It has been found useful in powder, 12 to 25 per cent.; collodion, 5- to 10-per-cent. strength; and ointment, 1, 5, and 12 per cent., in dermatitis, in acute eczemas of all sorts, in chronic eczemas; in syphilis and the parasitic skin affections it was not of much benefit. In acne and rosacea as good results have been obtained by it as by most methods of treatment. (Gottheil.) Found efficacious in acute superficial inflammatory affections of the skin, as well as in chronic processes in which the inflammation was deeper; in para sitic diseases, such as erysipelas, favus, lupus, soft chancre, and erosions; and in acute and chronic inflammations of the mucous membrane. Chotzen (Ber liner klin. Woch., No. 4S, '92).
vomiting, and heaviness in the abdomen. Concomitant nervous disorders may form the basis of acute manifestations, hys terical especially. When the retention is due to uterine stricture, there is consid erable pain radiating from the uterus to the surrounding parts, including the lumbar region.
Pure suppression of the menstruation usually gives rise to no symptoms, espe cially when the impending general dis order is the cause of the amenorrhoea. When, however, it is due to a local dis turbance, the symptoms of a congestive disorder of the genital tract appear, soon followed by an inflammatory process, which may be general or local. Peri
tonitis sometimes appears as a result of such a process. Remote symptoms may also present themselves, doubtless of reflex origin.
Amenorrhwa virginalis a new disease, in no way connected with cessation of menstruation from chlorosis, anaemia, etc., which occurs in young women. The first symptom is the amenorrhoea, which may or may not be associated with vicarious menstruation. After awhile cardiac symptoms supervene, especially palpitation, dyspnwa, and cyanosis; the right heart fails, and cedema and death result. Two such fatal cases. The sup pression of the menses led to general plethora, cardiac hypertrophy, valvular incompetence, and finally pulmonary con gestion. Edelheit (Wiener med. Presse, Aug. 16, 23, '97).
Series of eases which present certain well-defined clinical features. These prominent characteristics are: (I) di minished or arrested menstruation; (2) local symmetrical imperfect oxygenation of the blood of the extremities. especially the arms and hands—a condition known as "Raynaud's phenomena"; and (3) pulmonary tuberculosis. The presence of any single one of these symptoms in patients is observed every day. but at tention has not hitherto been called to the remarkable association of all of these clinical features in the same individual.