Babinski notes that this association of conditions was remarkable in that it demonstrated that hysteria and simulation should not be confounded with one another. To be sure, it is difficult to tell simulation from suggested phenomena, for there are no objective characters that demarcate the two. Babinski had himself said that hysteria was a demi-simulation; but a demi-simulation is not a simulation. The patient was in fact, sincere enough in his belief that he could not move his leg. To obviate this paralysis, he had in fact leaned so conscientiously upon his crutch that an organic paralysis had resulted. In fact the radial palsy had only been discovered incidentally, and the paradox appeared that a purely imaginary trouble occupied in the patient’s mind for a long time a much more important place than the genuine organic trouble which accompanied it. Bombardment; war strain; gassing?; collapse; arthritis: Hysterical MONOPLEGIA and ANESTHESIA of leg, interpreted as a “PROTECTIVE” reaction. Later, monoplegia and anesthesia of arm. =Case 232.= (MACCURDY, July, 1917.) A corporal described as normal (“except for some shyness with the opposite sex”) adapted himself well to training and went to France in May, 1915, where he was at once thrown into 18 days of almost continuous bombardment. After some initial fright, he settled down to work well enough, but, when the weather got bad in September, 1915, grew tired of the situation. Bad dreams began (falling into a deep hole; being shelled). He thought of suicide, wanted a shell to incapacitate or kill him, began to have pains in the head, arms and legs, and was already groggy when a gas attack came. Whether he got a whiff of the gas or not, he at any rate felt giddy, got a swallow of water, and when the gas passed got out of his dugout in the open air. He was fatigued and much relieved when the company was ordered back. Now, however, he got shaky and fell in a collapse on a pile of straw, without, however, losing consciousness. Apparently he had an attack of acute articular rheumatism. There was a sore throat and a pain in the head, radiating to left shoulder and to finger tips, with pain also in legs. The pain was worse in the right leg on moving the knee-joint. These pains lasted for a month in hospital. The leg had been like a log since the collapse on the pile of straw. Even after the pains left him a month later, the right leg was paralyzed and anesthetic. He walked with a crutch and developed a crutch palsy. After a month a hysterical paralysis of the right arm, with superficial anesthesia, supervened. During a period of eight months thereafter improvement was steady under reëducative measures. According to MacCurdy’s analysis, the acute arthritis led to paralysis as a protective reaction. The paralyses are disabilities that would ensure absence from the front.