The massage treatment of neurasthenia consists of vibrations on the head and spine, and, especially when there are peripheral nerve symptoms, of general massage, modified according to the peculiarities of the case; and this is all that can be said without tiring the reader with unnecessary repetition. Charcot claims that the vibrating helmet removes giddiness and the painful pressure over the head, and that after eight to ten treatments (for ten minutes, preferably about 6 p.m.) sleep returns. The spinal symptoms also, according to Charcot, are strongly affected; pains and aching in the sacrum are relieved, weakness in the legs disappears, and sexual potency returns. I have made some observations on the effects of vibrations in neurasthenia (influenced by Charcot's lecture given by Gilles de la Tourette on the subject), and received the impression that the matter is well worth considering. The effect of vibrations on the head for insomnia especially is undeniable. The Zander machines, however, are too strong, and should not be used in cases of old people or where there are atheromatous processes in the blood vessels, etc., partly on account of the shaking itself, partly on account of the undoubted contraction of the vessels produced. In conjunction with the effect of massage for neurasthenia I now come to a special therapeutic system which has arisen in our day, specially designed for, and admirably suited to, a certain class of patient whom we usually call neurasthenic. I pass on now to what, in my opinion, is very important in practice, viz. : -