Buffon's Natural History, Volume 03 (of 10): Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c. — John Shaqi
Buffon's Natural History, Volume 03 (of 10): Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c.Buffon, Georges Louis Leclerc, comte de
History
Buffon's Natural History, Volume 03 (of 10): Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c.
Buffon, Georges Louis Leclerc, comte de
Natural history
VI. In twenty-four hours the liquor had deposited a greater quantity of
gelatinous matter. I diluted it with water, but it did not readily mix,
and required a considerable time to dissolve. It then appeared composed
of an infinite number of opaque tubes that formed a kind of net-work,
in which no regular disposition nor the least motion could be seen:
in the clear liquor some few small bodies were still moving. The next
morning there were also a very few; but after that time I saw no more
in this liquor than in the globules, without any appearance of motion.
These experiments were repeated several times with the most possible
exactness; and I am persuaded that those threads above mentioned are
not tails, nor do they make any part of the individual body; for these
threads have no proportion with the rest of the body; they are of
different sizes, although the moving bodies are always nearly of the
same, at the same time. The globule appears embarrassed in its motion,
as its tail is longer or shorter; sometimes it cannot advance, but move
only from right to left, or from left to right, when the tail is very
long; and it is clearly seen that they use great efforts to get rid of
them.
VII. Having taken the seminal liquor from another man but just dead,
and still warm, I put a drop of it on the table of the microscope, and
it immediately liquified; it had at first a condensed appearance, and
seemed to form a compact web, composed of long and thick filaments,
which grew from the thickest part of the liquor. These filaments
separated in proportion as the liquor became more fluid, and at
length they divided into globules, which at first seemed not to have
sufficient power to set themselves in motion, but this power increased
as they separated from the filament, from which they made many efforts
to disengage themselves. Each of them in this struggle drew out tails
from the filaments of different sizes, some of which were so thin
and so long as to have no proportion with the bodies, which were all
so much the more embarrassed as these threads or tails increased in
length. The angle of their vibratory motion was also much greater as
those filaments were longer: and their progressive motion so much the
more remarkable as these tails were shorter.
VIII. Having continued these observations for fourteen hours, I
perceived that these threads, or tails, were continually lessening, and
became so fine, that at last their extremities were no longer visible,
and at length the whole entirely disappeared. At this time the globules
absolutely ceased their horizontal vibrations; their progressive motion
was direct, although they had always the vertical balancing motion,
like the rolling of a ship. When disencumbered of these threads, the
bodies were oval, transparent, and perfectly like those pretended
animals seen in the liquor of an oyster on the seventh day, and still
more to those found in the jelly of roast veal at the end of the fourth
day.
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