Evening star., 1917-12-23

any other connection than accidental
with the death of Marchant.
Gould it have been a word for them
and half an hour for herself? 1 quer-
led. mystified.
Kennedy shrugged. II can't say. At
any rate must see both Karatoff and
Enrol. now that they are out
Have you found anything I asked,
noticing that his laboratory table was
piled with its usual paraphernalia.
Yes" he replied. taking bottle OF
concentrated sulphuric acid and pour
ing a few drops in beaker of slightly
tinged water.
The water turned slowly to a beauti-
full green. No sooner was the reaction
complete than he took some bromine
and added it. Slowly again the water
changed. this time from the green to
a peculiar violet red. Adding more water
restored the green color.
That's the Grandeur test" he said.
with satisfaction. i've tried the
psychological test. too. with frogs from
the biological department. and it shows
the effect on the heart that =
What shows the effect?' l inter-
rupted, somewhat imoatiently.
"Oh, to be sure he smiled. Il for
got I hadn't told you what 1 suspected.
Why. digitalis foxgiove. you know.
suppose it never occurred to the police
that the rubber dagger might have COW
cred up peculiar poisoning Well, If
they'll take the contents of the stofn-
acn. IN atCOnOl, WIN d utlfS WdLeT
acidulated strain off the fltrate and
try it on a dog. they will see that its
effect is the effect of digitalis. Disi-
tails is an accumulative poison and a.
powerful stimulant Of arterial walls;
by experimental evidence an ideal drug
for the purpose of increasing blood
pressure. Don't you see it," he added,
excitedly. The rubber dagger was only
a means to an end Some one who knew
the weakness of Marchant first placed
RI oi tal lis in
because of the taste of the tea. Then
in the excitement of the act panto-
mined by Enrol. Marchants disease car
ried him off. exactly as was to be ex-
pected under the circumstances. 1t was
clever. diabolically clever. Whoever did
it destroyed the note in which the act
was suggested. and counted that no one
would ever stop to search for poison
in the tangle Of events
Slowly. but clearly. / began to realize
how certainly Kennedy was reconstruct
ing the strange case. Bnt who was IT.?
What was the motive back of this sinis-
ter murder. that had been SO carefully
planned no one would even suspect a
crime?
had hardly framed the queries when
our telephone rang: 1t was the cen,
tral office. man. The detective had
anticipated my own line of inquiry.
only had gone much further with IT..
He had found a clear record of the
business relations existing between
Enrol and Marchant. One episode
consisted of a stock deal between then,
in which Errol had invested in a stock
which Marchant was promoting.
For few moments after the talk
with the detective Kennedy seemed to
be revolving the case. Then he rose
suddenly. I'VE must find Karatoff," !"
he announced
We found him easily at his studio
apartment. nor did we have any diff
ficulty in gaining admittance He knew
watched nix
ness would be his best weapon of de-
fense.
"Of course" opened Kennedy. you
know that inyestiga ton has shown
that you were right in your diagnosis
OF the trouble with Marchant. Was it
arterio sclerosfs for which you were
treating him?"
at would be unp-of~ssionaI TO dis
cuss It,. hastily parried Karatof. but
Stree Mr. MarchaHt i= now dead
think l may say that IT was In fact
few persons. outside of those whom
have associated with me, realize to
may be carried in the cure OF disease
But another patient might have
known what Marchant was being
treated for" interrupted Kennedy.
patients' tongues Sometimes they
boast of their diseases"
"Espeelally II they. are women"
H'Hisu TNeuHcuss the Gnect OF
the remark keenly. IT have Just had
The pleasure of visit from Carita
Bellevilie in my laboratory"
.'Tndeed?" returned KaratoH. with
difficulty restraining his curiosity.
Miss Belleviile has been very kind in
introducing me to some of her friends
and acquaintances. and ! flatter my
self that ! have been able to do them
much good -
Then she was not a patfent?" pur-
sued Kennedy. studiously avoiding en-
Tightening Karatef on the visit
Rather al friend" he replied quickly.
1T was she who introduced Errol.''
Did she introduce Mr. Marchant?"