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. IV.

AGENCY.

.—These papers are two lectures delivered by me when I was a professor at the Law School of Harvard College, and now are printed at the request of the Editors of this. My other occupations have made it impossible for me to revise what I wrote more than eight years ago. I can only say that I studied the subject carefully then, and have seen no reason to change my opinions.

PROPOSE in these lectures to study the theory of agency at common law, to the end that it may be understood upon evidence, and not merely by conjecture, and that the value of its principles may be weighed intelligently. I first shall endeavor to show why agency is a proper title in the law. I then shall give some general reasons for believing that the series of anomalies or departures from general rule which are seen wherever agency makes its appearance must be explained by some cause not manifest to common sense alone; that this cause is, in fact, the survival from ancient times of doctrines which in their earlier form embodied certain rights and liabilities of heads of families based on substantive grounds which have disappeared long since, and that in modern days these doctrines have been generalized into a fiction, which, although nothing in the world but a form of words, has reacted upon the law and has tended to carry its anomalies still farther. That fiction is, of course, that, within the scope of the agency, principal and agent are one. I next shall examine the early law of England upon every branch of the subject,—tort, contract, possession, ratification,—and show the working of survival or fiction in each. If I do not succeed in reducing the law of all these branches to a common