The complaint which our correspondent of to-day makes in regard to the use of reserved books in the library is one which has been heard continually for a long time. We hesitate, therefore, to enter once more upon the subject, The summary measures taken last year to punish the hiding of books seemed at that time to meet the exigencies of the case, but further repressive measures of some kind will be necessary if any liberty in this matter is to be given the students. The particular case referred to by our correspondent does not stand alone, by any means, but the owling away of books is done continually and without the least thought of others except as prowlers who would do the same if they were but given the opportunity. Such selfishness is most unworthy, as every one must admit, and yet if such is the popular opinion, why do men continue the course which they have marked out as right for themselves, but wrong for others? In order that the evil here may be eradicated we appeal to all to remember the privileges of all the students and not their own private desires alone. If our appeal will prove of no avail, the matter will be with the college authorities who we trust will make an example of whom ever they find resorting to the mean tactics which have been displayed hitherto.