It would thus appear that, even apart from any deliberate restraint from procreation, as a family attains the highest culture and refinement which civilization can yield, that family tends to die out, at all events in the male line. 15
This is, for instance, the result which Fahlbeck has reached in his valuable demographic study of the Swedish nobility, Der Adel Schwedens.
"Apparently," says Fahlbeck, "the greater demands on nervous and intellectual force which the culture and refinement of the upper classes produce are chiefly responsible for this. For these are the two personal factors by which those classes are distinguished from the lower classes: high education and refinement in tastes and habits. The first involves predominant activity of the brain, the last a heightened sensitiveness in all departments of nervous life. In both respects, therefore, there is increased work for the nervous system, and this is compensated in the other vital functions, especially reproduction. Man cannot achieve everything; what he gains on one side he loses on the other."
We should do well to hold these wise words in mind when we encounter those sciolists who in the presence of the finest and rarest manifestations of civilizations, can only talk of race "decay."
A female salmon, it is estimated, lays about nine hundred eggs for every pound of her own weight, and she may weigh fifty pounds. The progeny of Shakespeare and Goethe, such as it was, disappeared in the very centuries in which these great men themselves died. At the