The Kimball graphic. (Kimball, Brule County, Dakota [S.D.]) 1883-1905, 1885-09-11
yIvIsECTION.
How 1t Is Done In Boston-Post-NIor.
TENS of Animals.

How II Is Done I'm Hoston-Post-EIor.
tens Of Animals.
By mean of part lions two rooms
one in Newton and one in Athol-were
made as much alike as possible, both
as to shape and cubic space. Each
room had a capacity of about 700 GU
b C feet, which was somewhat larger
than a room in Middleton in which Il
fatal case of poisoning from water-gas
actually occurred. Three dogs. two
eats and two rabbits, all apparently
healthy and strong, were placed in the
room in Athol. and the water-gas in
use there, containing about 80 per
cent. of carbonic oxide, was allowed
to flow in from a single ordinary burn
at the rate of six feet per hour.
experiment began at 11:l5 a. H.,
and at Has p. m. vomiting, delirium,
commissions, etc, had already been
noted. Half an hour later all the ami
mails were unconscious, or apparently
so, failing to respond to vigorous
knocks and calls. At $50 p. M, or
about three hours from the start, the
two eats We're dead, and the other ami
mails were prone and quite uncon-
scious. The dogs died at 3, 4, and
$50 O'Clock respectively-the rabbits
also at $50. In a word. symptoms
of poisoning We're we'll developed in
an hour and a half. Deaths began to
occur in a little more than three hours,
and all were dead within eight hours.
This experiment was witnessed by
members of your board.
In the corresponding experiment ut
Newton, made with coal gas contain
ing about Z per cent. of carbonic OK
ide. two dogs, two cats, two rabbits
and two pigeons were placed in the
room, and the gas was introduced
from an ordinary burner. as before,
and ut the same rate-6 feet per hour.
The experiment began at a. M, and
for three and one-half hours no symp-
toms OF consequence were observed.
and then only drowsiness and general
anxiety, with salivat on in one case.
At 4 p. nj. e.. after eight hours
nothing more than a gradual exagger-
alton of these symptoms had occurred.
Recovery would, apparently. still have
been possible, and ever easy, at tn 5
time.
After t%wenty-four hours, i. e., at 8
a. m. Of the next day. one cat and one
rabbit were dead. but the others were
not even unconscious. being still re-
sponsivc to knocks and calls.
The professors also experimental on
themselves to a slight extent in a sim
liar manner Continuing, Prof. Sedg-
wick said:
"We conclude that the effect will be
the same. in kind, on human beings
as on the animals experimental with
that is, rs regards the gas investiga-
ton. We have no painful vivisections
here unless some important investiga-
ton is to be made. Our vivisections
are made while the animals are under
the influence of NEUTRALITY-SUSPICIOUS..
form generally, rarely morphia. The
animals used for the purpose are
mostly frogs, rarely dogs. cats, rab.
bits. guinea pigs and pigeons, called
higher animals. Nearly every day we
have painless viviscct!on for teaching
purposes.
This morning a graduate from a
Western college set at work to study
the physiology of the heart. He took
several frogs, chloroformed them. cut
off their heads, then exposed the
hearts. and studied Their movements.
In these lower animals the heart does
not cease beating for hours, and in
some cases, days after the head is
severed, but in ease of all ANIMALS
higher than rept les the heart stops
almost Immediately on decapitat:o on.
In many eases of vivisect'on the spinal
cord is also destroyed. which prevents
any nerve feeling. No painful exper.-
ment should be made % enforce on
students facts already known. Ishould
not stop at pain of lower animals,
that is. reptiles, etc. if by vivisection
or dissection human lives can be saved
or human suffering rel eyed. or f there
is a reasonable hope of dong it. |
think there is great misunderstanding
regard to painful aud painless V
on. The lattor 3 rs painless as
dissection after death. Dogs and rab-
bits are used more espec ally to learn
OF blood pressure, and for the stud
OF heart movements, resp.rat on. etc.
Rabbits are USUALLY g ven hsdrate of
choral and dogs morphine. | have
given a dog enough morphine to kill
twenty men. He was made perfectly
unconscious, but still lived.
"People get the idea that we take
dogs in here, tie them down and carve
them while they are bowling with pain.
No such thing is done, as it would de-
the objects wished to be attained.
for they would not be in a normal con-
dition. In most experiments it is alb.
solutely necessary to have the animals
under operation perfectly gu ct. as re.
CARDS pulse, etc. Therefore we must
give them an anpsthetic the effect of
which we well know. For the purpose
OF gaining al idea of the normal
heart, bleed vessels and mechanics of
the circulation of the blood, we have
apparatus called the Monograph.
consisting of a long roll OF white pa
per. made to travel between cylinders
by clock work. and with the greatest
regularity. On this paper tracings are
made with a pen in connection with a
monometer, and this is connected di-
with the artery of the animal,
which must be entirely unconscious,
firmly secured by a holder near by,
strapped to a board. The heart eau es
blood in the artery to push, and a
wavy line is made on the paper. which
can be measured and studied. I'M
o~ortant results in regard to the effect
different drugs upon the heart aud
blood vessels are thus obtained. and
his without pain to the animals. as
hey are always put to death without
oeing allowed 10 recover conscious.
1ess."
H.. M vv H HE