The question may be asked: In so extensive a treatment of analytic geometry should not, for example, homogeneous eo ordinates find a place? The authors believe that the student, before proceeding to the elaborate methods of modern geometrv, should have a thorough knowledge both of the material and the methods which may fairly be called elementary, and they felt that a book which, avoiding the conciseness of some of the current texts and the looseness of others, is clear because it is rigorous will meet a real need.
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