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Excerpt from The Migration of Birds: An Attempt to Reduce Abian Season-Flight to Law
There is no branch of Ornithology more popular than that which treats of the Migration Of Birds. To the genuine lover of birds there is no more fascinating pursuit than to watch the comings and the goings of his favourites; to the more scientific ornithologist Migration is'not only an intensely interesting proceeding in itself, but a function fraught with importance in the History of Avian Life. In many instances it is an indicating medium of affinities, an explanation of various apparent anomalies in geographical distribution, and uh questionably an evidence of those vast physical Changes which have been one of the dominating features of our planet's history in past ages. Notwithstanding the immense popularity and importance of Migration, strange as it may seem, no work has hitherto been devoted expressly to.
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