to collapse. The effusion is frequently distributed uniformly to both lateral ventricles, but it may be greater on one side than the other, or in one pos- terior horn than in the other. The foramen of Monro is enlarged, sometimes to 3 or 4 cm. in diamet …

indicated by severe headache, spasm, general convul sions, and paralytic phenomena, occasionally associated with febrile sympto all of which are dependent upon cerebral congestive conditions. Nervous symptoms occasionally appear even before enlargemem s …

cause is unknown or can only be suspected. Thus far no phenomenon indicative of an intrauterine development of hydrocephalus has been discovered, and the pregnancy differs in no wise from the normal. Hydrocephalus may show itself after birth in the foll …