18 APRIL 1863, Page 23

Letters by "Ilistoricus" on Seine Questions of International Law. Mac-

millan and Co )-Most of our readers will, doubtless, remember the series of letters on international law which, under the signature of " Historicus," have occasionally appeared in the Times since the corn- . mencement of the American war. It is these letters which, with some additions, are now reprinted in the volume before us. The ignorance of the majority of the general public respecting the subject treated of in this work is probably scarcely less than the interest which recent events have compelled them to take in such matters. We are, therefore, glad to welcome, in a compact and generally accessible form, what we believe to be a sound and accurate exposition of the law on several of the lead- ing questions of international jurisprudence. An hour or two spent in the careful perusal of these letters will enable any one to form a trust- worthy opinion on many of the questions which have lately been, and are still, agitating the public mind. " Historicus" deserves especial thanks for his complete and telling exposure of M. Hautefeuille's attrac- tive and entirely worthless book on international law,