원문 (영어)

VOLUME I PREFACE TO FIRST EDITION This is mainly a book about the Birds, or more properly an invitation to the study of Ornithology, and the purpose of the author will be carried out in proportion as it awakens and stimulates the interest of the reader in this branch of Natural History. Though written less in the spirit of exact science than with the freedom of love and old acquaintance, yet I have in no instance taken liberties with facts, or allowed my imagination