We have had the opportunity of observing our patient in the throes of one of these attacks, and while we did not doubt the genuineness of his sufferings, we could not but be struck with the dramatic exuberance of his gestures. He wriggled on his chair, unbuttoned his clothes, undid his necktie and his collar, pressed his abdomen with his hands, sobbed and sighed and pretended to swoon away. Such excessive reaction to pain is characteristic of a nervous and badly trained child, not of a man of his years. Notwithstanding his humiliation at these exhibitions of weakness, he can no more control them than he can his ordinary tics; in fact, the tics run riot during the crises of pain. On several occasions the reflexes have been the object of examination. The pupillary reactions are normal, as are the tendon reflexes of the upper extremity; but the knee jerks are much diminished, and one day we failed to elicit them at all, though we noted their return a week later. A careful search for further signs of possible cerebro-spinal mischief proved negative, if we except a slight flexion of the knees when walking and a tendency to a shuffling gait. Notwithstanding this absence, in O.'s case, of any definite indication of organic disease, we cannot afford, in our examination of patients, to overlook any symptom, however fleeting or trivial it may appear, since it is only by painstaking investigation both on the physical and the mental side that we can ever hope to determine the characters and fathom the nature of the affection, apart from the value of such an investigation as an aid to diagnosis, prognosis, and treatment. * * * * * With charming spontaneity and frankness, but critically withal, O. has furnished us with a picture of his mental state. Nothing could be truer or more instructive than this piece of self-observation, even though his obvious pleasure in hearing himself talk is a little weakness of which, to tell the truth, he is the first to accuse himself: In childhood and at school my accomplishments were ever on the same dead level of mediocrity. I was neither brilliant nor backward; in the drawing-room or in the playground, I was good at everything without excelling in anything; the astonishing facility with which I learned to sing, play, draw, and paint, was linked with inability to distinguish myself at these pursuits. Each new study, each new game, attract and captivate me at first, but I soon tire of them, and once a fresh enterprise has taken their place, indifference to them changes to disgust. If I am amused with a thing, I do it well; if bored, I throw it aside. I suppose it is characteristic of people who tic to be fickle and vacillating.