--Morgagni mentions a man without an
epiglottis who ate and spoke without difficulty. He thought the
arytenoids were so strongly developed that they replaced the
functions of the missing organ. Enos of Brooklyn in 1854 reported
absence of the epiglottis without interference with deglutition.
Manifold speaks of a case of bifurcated epiglottis. Debloisi
records an instance of congenital web of the vocal bands.
Mackenzie removed a congenital papillomatous web which had united
the vocal cords until the age of twenty-three, thus establishing
the voice. Poore also recorded a case of congenital web in the
larynx. Elsberg and Scheff mention occlusion of the rima
glottidis by a membrane.
Instances of duplication of the epiglottis attended with a
species of double voice possess great interest. French described
a man of thirty, by occupation a singer and contortionist, who
became possessed of an extra voice when he was sixteen. In high
and falsetto tones he could run the scale from A to F in an upper
and lower range. The compass of the low voice was so small that
he could not reach the high notes of any song with it, and in
singing he only used it to break in on the falsetto and produce a
sensation.
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