. Our domestic animals, their habits, intelligence and usefulness;. them, and the greater safety of their missives(carried through air and not on land) give thema very special value of their own. People callthis facultv instinct, but in our dayL word does not leadL- n o u g h. Manysearches produceheories about this\i r o b 1 e m w h i c hman\- e.\]X-rimentsdestroy. Somesay these travel-ers are guided bythe position of thesun, but pigeons letose at night find•ir homes as rapitlKnerringly as by that electric cur-rents have to do with it, but Hachet-Souplet ])roves that this is impossibl

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. Our domestic animals, their habits, intelligence and usefulness;. them, and the greater safety of their missives(carried through air and not on land) give thema very special value of their own. People callthis facultv instinct, but in our dayL word does not leadL- n o u g h. Manysearches produceheories about this\i r o b 1 e m w h i c hman\- e.\]X-rimentsdestroy. Somesay these travel-ers are guided bythe position of thesun, but pigeons letose at night find•ir homes as rapitlKnerringly as by that electric cur-rents have to do with it, but Hachet-Souplet ])roves that this is , li()wc\er, we consider the keen sight of thepigeon, we may accept, provisionally perhaps,.

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