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 io6 Bird- Lore We take him in a railway car to Grand-Couronne, and we free him at a few steps from his cote. But the sense of distant orientation, the sixth sense, is alone in working order, to the exclusion of the first five. The bird takes up again his reverse scent, passes in sight of his dwelling as if hypnotized, ivithout seeing it, and reaches Evreux once more at the point through which passed that itinerary which he is trying to re-establish. His calculation is baffled; brought back to his owner's home and given his freedom, he, this time, is brought to himself. The five senses, awakened by stronger sensations, resume the upper hand and the sixth sense, becoming useless, ceases to work. There is at Orleans an enclosed Pigeon cote having no external issue for the little prisoners. The Pigeons that are shut up in it, and that come from the military Pigeon cotes at Paris and from the North, live there in semi-obscurity and in absolute ignorance of what passes outside. When, after a month or two of captivity, they are to be set at liberty, every precaution is taken to carry them away for the release many kilometers from their transient cote, to which, besides, they are not attached by any agreeable remembrance. Now, we have stated elsewhere that very often Pigeons know how to find that house without even knowing its outside appearance. They perch themselves on the roof, then, after a short stop, they take their bearings and disappear in order to go back to the cote where they were born. The laio of reverse scent allows us to explain the conduct of the Pigeon. He is carried away, set at liberty, let us say, at the station of Aubraes, takes up the reverse scent and hovers about the cote of exclusion, which represents to him the end of the itinerary by which he has been brought to Orleans. It is then from there that he will set out to take up in an inverse sense the road, the remembrance of which has remained deeply engraved on his memory. We could multiply examples of the same kind to show that the Pigeon astray always comes back to the point of his release. We may be convinced of this truth by glancing at the roofs of railway stations of Paris, Orleans, Blois, Tours, Poitiers, Bordeaux, etc., where, every Sunday during the fine weather, people set at liberty hundreds, and sometimes thousands, of Pigeons ! On Monday we would notice the return of numerous Pigeons lost the day before, that, not having succeeded in their first trial in finding their natal roof, are going to make a second attempt, and sometimes a third, in order to find the right road. When set at liberty the day before the Pigeon took his flight, he fled swiftly from that point of departure to which, apparently,