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larynx, trachea and bronchial tubes may contain sooty particles, and their
mucous membrane may be congested and covered with frothy mucus.

Figs. 65-A & B.—Suicidal "burns
after sprinkling kerosene. Note
burns more marked round the
waist where clothes are more.
B shows the burn marks behind
the waist.

(From  photographs  lent  kindly
by Dr. H. S. Mefcta.)

Fig. 70.—Burns on the face
from a kerosene oil lamp.

The pleurae are congested or inflamed, and there may be serous effusion
into their cavities. The lungs are usually congested; they may be shrunken
and rarely anaemic. The chambers of the heart are usually full of blood.
The blood is cherry red in colour, if death has occurred from suffocation
due to inhalation of carbon monoxide produced by incomplete combustion.
The mucous membrane of the stomach and intestines is frequently red-
dened. There may be inflammation and ulceration of Peyer's patches and
solitary glands of the intestines. Ulceration may occasionally be found in
the duodenum? when the patient dies some time after receiving burns. The
ulcer probably results from the elimination by the liver of some irritating
substance produced in the burnt tissues which is capable of causing tttgaoBfr-
bosis of the small vessels. This ulcer is supposed to be more common in