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I feel sure of this because I have met personally many such men and my friends know many more. According to the investigations made by Dr. Exner, the medical secretary of the Young Men's Christian Association, a great reduction of venereal disease has followed sex-hygienic campaigns in college towns.
Several valuable additions to our knowledge of the anatomy of the nervous system have been made by Huschke, Exner, Fuchs, and Tuczek.
But it is fairly safe to say that there was no such prevalence of disease as was shown by the Exner Report to have existed on the Mexican Border. It may even be predicted that the education in hygienic measures which the men received may in time affect favourably the health of the male population and through them their wives and children.
No pen-sketch of the young Crown Prince of Germany would be complete without a reference to his remarkable skill as a violinist, an instrument which he has been studying steadily ever since his eighth year, under the direction of the Berlin court violinist Von Exner.
On this question of continence young men should read such pamphlets as "Sexual Necessity" by Howell and Keyes; "The Young Man's Problem" and "Health and Hygiene of Sex" by Morrow; "The Physician's Answer" and "The Rational Sex Life for Men" by Exner. Also, see pp. 183-190 in Geddes and Thomson's "Sex." Dr.
It will suffice to mention that in measuring the nervous currents in rate of transmission of impulse along the nerves and also in the ganglion cells of the spinal marrow, Exner arrived at a rapidity of eight meters, and Bloch at a rapidity of 194 meters, in the same unit of time.
Tuczek and Fuchs have confirmed the discoveries of Exner, that there are no medullated nerve fibers in the convolutions of the infant, and Flechzig has developed this law, that "medullated nerve fibers appear first in the region of the pyramidal tracts and corona radiata, and extend from them to the convolutions and periphery of the brain," being practically completed about the eighth year.
If the bird flies toward the ground, flapping its wings, it compresses the air below them, and, supposing that the wing feathers can bend aside, the experiments of Exner show that by the friction the upper side of one feather and the lower side of that which is just above are electrified oppositely, the more powerfully as the rubbing is greater, which always causes them to resume the normal position.
In the last thirty years many researches, notably those of Stricker, Exner, Hall, James, Fischer, Stern, Marbe, Lincke, Wertheimer, and Korte have thrown new light on the problem by carefully devised experiments.
IT HAS long been known that feathers and hair are electrical bodies, but until recently we have had little information about their electrical properties or the conditions in which these properties are manifested. Most of these phenomena were first observed by Exner, and in the work of Dr.
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