The Daily times. [volume] (Richmond, Va.) 1886-1889, 1888-08-09
EXPERIMENTS WITH PETS.
Pink Teethnd Kittens-A PHYSICIANS pi,.
covcry -Fecdissg Antimals Madde,

covcry Feeding Animals Msdder
Have you ever seen kitten with mini
teeth" doctor who devotes his ieiy,ro
moments 30 scientific experiments IN.
quired OF reporter the other da,. IT,.
latter admitted that he never had
Look at this" the doctor said. catch.
ing up an ordinary looking baby car
which had been playing about hi. chair
and prying its mouth open with its inner
''see what pretty color those teeth
are"
Sure enough, the kittens teeth wero
OF beautiful, delicate pink tint, ike iba
inside of sea shell
They will become Of dceuer .bas.
by and by" the doctor continual n
have only been coonng them io. a fa,,
days"
How do you do it. doctor" tie ro.
porter inquired. Feed him on cayenne
pepperT
"Oh, no" the doctor answered. sn3
ing. That's the way bird fanclercaim
they make red canaiies. Tie pnc,so nj
coloring tile bones and teeth of ki.tcu.i,
the simplest thing in the world. An
there Is to it is TO pu, li.tle Made. IN
their food
But doesn't tho madder injurc thcm:"
the reporter inquired.
Not in the least. " said the doctor. 1t
Is vegetable coloriug matter aud has no
injurious effect OF the general health
whatever. This has been proven even in
the case of children"
"Why," asked the reporter. has some
one been feeding babies ON madden to
give them pink teeth
"Oh. no." the doctor laughingly H..
piled, "but when the discovery was mad
that madden, when taken into the SIS.
TEN. died the osseous structure. it va,
thought It might prove eilicacioas in the
treatment Of nckets Experiment, wer,
tried with il on rickety children. bur 1t
was found that whiic It readily took
the place Of phosphate OF lime in bone
formation, 1t did not improve the quality
Of the bone"
Then all the bones Of the body afe
colored 10y the madder as well is the
teethf' the reporter inqnncd.
certainly. the doctor answered. /
will show you the bones of several klt
tens and pigeons | have experimental
with. lie procured a small tin canister
and Oh removing he cover q strong oior
of camphor saluted the reporters nose
There, said he, taking up section Of
bone, is the fragment OF the skull Of q
kitten which was fot on maider for ten
days and then allowed To go without
maddor for SIX week, on SO, when 1t WAS
killed. The streak OF pink IN the cente.
OF the bone Indicate The bone growth
during the period which the kitten was
taking madden. The streak of pink is
faint, you see, and would have disap-
pcared entirely it the kitten had been al
lowed to livea while longer. The bono
back Of the ear You notice, d of deep
pink color That is due 10 the
tact that that portion Of the skull
becomes mature sooner than the
rest In young animals, you know, the
bony structure undergces rapid changes
After maturity is reached the changes
are slower. A pigeon, for instance, at
tains full growth after thirty days. Now
ii. when q pigeon u ten days old. you be
gin u feed it on madden. keeping 1t up
five days and then stop, by the time 1t
attains maturity all the color taken up
by the osseous structure will have en-
lirely disappeared. BY thus experiment
ing with madder sone important facts
regarding the growth OF the bones have
been asccrtliuod.
Has the fact that madden will color
the bones been known long}".
About thirty years, | TIN y 1t was
discovered accidentally by French ply
sician, who resided IN town where
factory for making the red cloth for sol
diers' trousers WAS located Nader il
used in dying this cloth 1t was found
that pigs killed in the town had their
bones died brilliant pink This curious
circumstance attracted the attention OF
the physician, who began an invesiiga-
ton. He found that pigs drank waste
water from the dye room Of the factory,
and this gave him the explanation Of
their pink bones. - Washington Star.