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In these Inftances the arterial Blood did not
impart to the mufcular Fibre its OXYGEN,
hence its florid Colour, and the Train of
Symptoms above enumerated,

During this Torpor the IRRITALE PRINCIPE
accumulates in the Blood, and the Patient,
if left alone, will soon recover,

To accelerate which, however, the Patient

ought to be exposed,

1ft. To fresh Air, or what would be still
better,

2d. To vital Air,

3d. The Face should be sprinkled with

Vinegar,

PAGE

4th. And the Hands may be rubbed with

cold Water,

A Fact to prove that IRRITABILITY is accu

{A

SECT. LII.

VOL. III.

ib.

ib.

623

mulated during the Operation of Terror, ib.

OF ASPHYXIA FROM OPIUM.

NEW DISCOVERIES are refifted,

Ift. From PREJUDICE, which actuates little Minds,

2d. From SELF-LOVE inherent in great Minds,

The Attention of Physicians has deservedly
been turned towards Opium for a Series of
Years,

m

625

ib.

Nevertheless

Nevertheless its Mode of Action has been vio

lently difputed,

PAGE

625

{

Some deem it,

1. Altogether fedative,

2. Others ftimulant, and

3. Others both ftimulant and fedative, - ib.

This Controverfy appears to have its Rife from the different Effects which takes place according as it is administered,

A COMPARISON betwixt the Effects of Opium and Wine,

1. A fmall Dofe of either is STIMULANT

only,

2. A larger Dofe is both STIMULANT and

SEDATIVE, and

3. A more confiderable Dofe is almost im-
mediately SEDATIVE.

Thefe Obfervations are proved by an Experiment on a Frog,

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The next Enquiry is by what Channel does
OPIUM act?

Seeing the Errors that great Men have been in we ought not to rely too much on Authority,

ib.

626

627

ib.

628

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He injected OPIUM under the Skin of the Leg
of a Frog, and its Effects extended to the
moft diftant Parts of the Body,

-

But if he intercepted the Veins and Arteries
going to the Leg, it then did not extend to
the other Parts of the Body,

OPIUM acts equally on the vegetable Tribe, as

is proved by Drs. GIRTANNER, GAHAGEN,
INGENHOUSZ, THORNTON, &c.

ib.

ib,

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