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SEX IN EDUCATION.
When arrested development of the reproductive system is nearly or quite complete, it produces a change in the character, and a loss of power, which it is easy to recognize, but difficult to describe. As this change is an occasional attendant or result of amenorrhoea, when the latter, brought about at an early age, is part of an early arrest, it should not be passed by without an allusion. In these cases, which are not of frequent occurrence at present, but which may be evolved by our methods of education more numerously in the future, the system tolerates the absence of the catamenia, and the consequent non-elimination of impurities from the blood. Acute or chronic disease, the ordinary result of this condition, is not set up, but, instead, there is a change in the character and development of the brain and nervous system. There are in individuals of this class less adipose and more muscular tissue than is commonly seen, a coarser skin, and, generally, a tougher and more angular makeup. There is a corresponding change in