The influenza, or "grippe," as it is generally called, Protean in its forms and chameleon-like in its aspects, has made a flying trip through our country, and left its multiform impression upon our population. This strange disease enjoys as many titles as a European nobleman: influenza, because it exercises such a decided influence upon all the tissues and functions of the human body; la grippe, because, when it once takes hold, it rarely lets go its grip; rheuma epidemicum, be cause, under its dire influence, the universal nose and throat becomes a perennial fountain; cephalalgia contagiosa, because of the infernally Plu tonian headache it induces; failette, because, when attacked by it, we are driven almost to madness; coquette, because it plays with our feelings as a cat does with a mouse or a young lady with her devoted admirers; petit courier, because it runs from organ to organ, suffering none