CHIEFLY PHYSIOLOGICAL.

41

any of its special functions. If excessive labor, either mental or physical, is imposed upon children, male or female, their develop­ment will be in some way checked. If the schoolmaster overworks the brains of his pupils, he diverts force to the brain that is needed elsewhere. He spends in the study of geography and arithmetic, of Latin, Greek and chemistry, in the brain-work of the school room, force that should have been spent in the manufacture of blood, muscle, and nerve, that is, in growth. The results are monstrous brains and puny bodies; abnormally active cerebration, and abnormally weak digestion ; flowing thought and constipated bowels ; lofty aspirations and neuralgic sensations;

A youth of study an old age of nerves.

Nature has reserved the catamenial week for the process of ovulation, and for the develop­ment and perfectation of the reproductive system. Previously to the age of eighteen or twenty, opportunity must be periodically al­lowed for the accomplishment of this task.