There is no lack of authorities, medical and non-medical, on this point. Few who weigh them well will deny that there is such a thing as too large a family; that there does come a time when a mother can rightfully demand rest from her labours, in the interest of herself, her children, and society. When is this time? Here again the impossibility meets us of stating a definite number of children, and saying, 'This many and no more.' As in every other department of medicine, averages are of no avail in guiding individuals. There are women who require no limitation whatever. They can bear healthy children with rapidity, and suffer no ill results. There are others--and they are the majority--who should use temperance in this as in every other function; and there are a few who should bear no children at all. It is absurd for physicians or theologians to insist that it is either the physical or moral duty of the female to have as many children as she possibly can have. It is time that such an injurious prejudice was discarded, and the truth recognised, that while marriage looks to offspring as its natural sequence, there should be inculcated such a thing as marital continence, and that excess here as elsewhere is repugnant to morality, and is visited by the laws of physiology with certain and severe punishment on parent and child. Continence, self-control, a willingness to deny himself,--that is what is required from the husband. But a thousand voices reach us from suffering women in all parts of our land that this will not suffice; that men refuse thus to restrain themselves; that it leads to a loss of domestic happiness and to illegal amours, or that it is injurious physically and mentally,--that, in short, such advice is useless, because impracticable. To such sufferers we reply that Nature herself has provided to some extent against over-production, and that it is well to avail ourselves of her provisions. It is well known that women when nursing rarely become pregnant, and for this reason, if for no other, women should nurse their own children, and continue the period until the child is at least a year old. Be it remembered, however, that nursing, continued too long, weakens both mother and child, and, moreover, ceases to accomplish the end for which we now recommend it.