I have read, as all of us have, the review of a book by C.J. Maynard, on our Butterflies, by Mr. W. H. Edwards, and which appeared in the February number of the Canadian Entomologist. Whatever Mr. Edwards writes in trenchant and to the point, so that we have received the impression that Mr. Maynard's book is really not what it ought to be, is not up to current scientific knowledge, and is inferior in its illustrations. There is no more to be said about the book on this head; its publication will probably do very little real good, except perhaps that here and there a reader into whose hands it may chance to fall may have his interest excited in the subject, and so be led to buy a better one, as, for instance, that of Prof. French, to say nothing of Mr. Edward's splendis volumes.