I shall dwell on the first—the premonitory stage—in order that a mother may see the importance without loss of time of calling in a medical man: If her child be feverish and irritable, if his stomach be disordered, if he have urgent vomitings, if he have a foul breath, if his appetite be capricious and bad, if his nights be disturbed (screaming out in his sleep), if his bowels be disordered, more especially if they be constipated, if he be more than usually excited, if his eye gleam with unusual brilliancy, if his tongue run faster than it is wont, if his cheek be flushed and his head be hot, and if he be constantly putting his hand to his head, there is cause for suspicion. If to these symptoms be added, a more than usual carelessness in tumbling about, in hitching his foot in the carpet, or in dragging one foot after the other; if, too, he has complained of darting, shooting, lancinating pains in his head, it may then be known that the _first_ stage of inflammation (the forerunner of water on the brain) either has taken or is about taking place. Remember, no time ought to be lost in obtaining medical aid; for the _commencement_ of the disease is the golden opportunity, when life might probably be saved. 198. _At what age, and in what neighborhood, is a child most liable to Croup, and when is a mother to know that it is about to take place?_ It is unusual for a child until he be twelve months old to have croup; but, from that time until the age of two years, he is more liable to it than at any other period. The liability after two years gradually, until he be ten years old, lessens, after which time it is rare. A child is more liable to croup in a low and damp, than in a high and dry neighborhood; indeed, in some situations, croup is almost an unknown disease; while in others it is only too well understood. Croup is more likely to prevail when the wind is either easterly or northeasterly. There is no disease that requires more prompt treatment than croup, and none that creeps on more insidiously. The child at first seems to be laboring under a slight cold, and is troubled with a little _dry_ cough; he is hot and fretful, and _hoarse_ when he cries. Hoarseness is one of the earliest symptoms of croup; and it should be borne in mind that a young child, unless he be going to have croup, is seldom hoarse; if, therefore, your child be hoarse, he should be carefully watched, in order that, as soon as croup be detected, not a moment be lost in applying the proper remedies.