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gold still remaining in the blocks of teeth. Think I did not extract
all the Lrold from the furnace ; there might have been some left.
Mr. Bemis. Is there any change in the appearance of the bone,
by being in fire, in connection with gold, giving any indication of the
proximity of the gold to the teeth ?
Dr. Jackson', [examining the bone.] -It is the same color that we
see in the slag where the globules of gold are found, -a pink color,
produced by oxyde of gold. It is on a block of artificial teeth. The
contents of the ash-pit were taken out,- apart of them while I was
there, the remainder not. The bones indicated thaat intense heat had
been applied. Anthracite coal had been used at a high temperature.
I have known the defendant for twenty-five years ; have studied with
him, and been on terms of communication. with him. I have noticed
the knife [exhibiting the sheath-knife] in Dr. Webster's laboratory,
when I studied in the old Medical College. The College was removed
-to Grove-street in 1846. We found whiting and fresh oil upon the
knife, as if there had been an attempt to clean it. This was on Mon-
day or Tuesday. One of the officers called my attention to it. I
scraped it off, carried it home, and analyzed it. The whiting was
not dry, but moist, and soft as putty. I did not notice the handle.
Dr. Parkman was about my height, which was five feet and eleven
inches:
Cross-examination. The back, one side and the two ends, of the re-
mains, were covered with potash, but no other part of the thorax.
The thigh-bone was smoked; and the skin was softened, as if by potash
and heat. If the bones had been separated from the flesh, I think
they could have been dissolved in half a day. There was nothing at
all in the large boiler I mentioned before, when I saw it.
I suppose the whiting had been used in cleaning the knife-handle.
cried the effects of nitrate of copper on wood, and it produced the
same stains that we saw on the stair-case. [Here a piece of wood,
with the above stains on it, was shown to the Court.
RICHARD CROSSLEY, sworn. - Have given attention to chemistry for
thirteen years. Have examined the blood-vessels, at the request of
Dr. Gay, to ascertain whether they were, as usual, injected with
arsenic acid and chloride of zinc, and found neither of these substances
present. These are the injecting substances used at the Medical
College. I coincide with Dr. Jackson in his opinion about the nitrate
of copper.
Drs. NATHAN C. KEEP, sworn. - Have been in the practice of dentist-
ry for thirty years. Give attention both to natural and artificial teeth.
Knew Dr. George Parkman as early as 1822. When I was a stu-
dent to Dr. John Randal, Dr. Parkman was frequently there; and on
one occasion, was quite sick, and Dr. Randal attended him. When
he recovered, he was at Dr. Randal's very frequently, and I was ac-
quainted with him at that time. As early, I think, as 1825, he em-
ployed me as his family dentist; and since that time, whenever he
needed assistance, I have been the person on whom he called. Was
shown the block of mineral teeth by Dr. Lewis. This was on my
arrival from Springfield in the cars, the Monday after Thanksgiving,
about one or two o'clock. I recognized them as the teeth I had made
for Dr. Parkman, in 1846. Dr. Parkman's mouth was a very pecu-
liar mouth, in many respects ; differing in the relation that existed
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