ON the 3d of October, when the Library was first opened on Sunday, no less than forty-five men took advantage of the new privilege. The day was clear, the weather mild, the men not driven with work (the term had then just begun), and yet the Library was used in the few hours by more than twoscore students. The extensive use of reserved books, the heartiness with which every improvement is welcomed that facilitates the use of the Library, show how valuable is the aid it gives to members of the University. In view of all this, the opening of the Library on Sunday suggests the further step of opening it also during the evening. That there is a demand for this we hardly need to point out. The only sound objection is in the danger from fire; but good authorities, both in and out of the Library, repeatedly assert that danger from fire exists no more here than in the Boston Public Library, which, it is well known, is attended in the evening by a class of readers far more careless than students. Moreover, the electric light has been introduced with success in many public buildings. Could it be done here, the difficulty would be solved. It is, therefore, to be hoped that the same spirit which so unexpectedly gave us plank, brick, and flag walks, and the use of the Library on Sunday, will also soon open the Library in the evening.