Woman has the same right as man to unfold her faculties and to the free exercise of the same: she is human as well as he: like him, she should be free to dispose of herself as her own master. The accident of being born a woman, makes no difference. To exclude woman from equality on the ground that she was born female and not male--an accident for which man is as little responsible as she--is as inequitable, as would be to make rights and privileges dependent upon the accident of religion or political bias; and as senseless as that two human beings must look upon each other as enemies on the ground that the accident of birth makes them of different stock and nationality. Such views are unworthy of a truly free being. The progress of humanity lies in removing everything that holds one being, one class, one sex, in dependence and in subjection to another. _No inequality is justified other than that which Nature itself establishes in the differences between one individual and another, and for the fulfillment of the purpose of Nature. The natural boundaries no sex can overstep: it would thereby destroy its own natural purpose._ The adversaries of full equality for woman play as their trump card the claim that woman has a smaller brain than man, and that in other qualities, besides, she is behind man, hence her permanent inferiority (subordination) is demonstrated. It is certain that man and woman are beings of different sexes; that they are furnished with different organs, corresponding to the sex purpose of each; and that, owing to the functions that each sex must fill to accomplish the purpose of Nature, there are a series of other differences in their physiologic and psychic conditions. These are facts that none can deny and none will deny; nevertheless, they justify no distinction in the social and political rights of man and woman. The human race, society, consists of both sexes; both are indispensable to its existence and progress. Even the greatest male genius was born of a mother, to whom frequently he is indebted for the best part of himself. By what right can woman be refused equality with man? Based upon information furnished us by a medical friend, we shall here sketch with a few strokes the essential differences, that, according to leading authorities, manifest themselves in the physical and mental qualities of man and woman. The bodily size of man and woman stands, on an average, in the relation of 100 to 93.2. The bones of woman are shorter and thinner, the chest smaller, wider, deeper and flatter. Other differences depend directly upon the sex purpose. The muscles of woman are not as massive. The weight of the heart is 310 grains in man, 255 in woman.