1. In the monkey the temperature is quickly raised
by muscular exercise.
2. The temperature of the axilla is higher than that
of the rectum.
3. There is a marked and regular diurnal variation
with a minimal period from 2 to 4 a.m. and a
maximal period from 6 to 8 p.m.
4. The mean temperature for the twenty four hours is
about 100.1° F (37.9 °C) for the axilla, and 99.6 °F
(37.6 °C) for the rectum.
5. Under the influence of narcotics in monkeys and cats
the power of heat regulation is lost and the
temperature of the animal rises or falls with
that of its surroundings; but the power of
different narcotics to effect such a disturbance
in heat regulation differs in degree. With either,
chloroform, and paraldehyde the fall is rapid
from the first, with alcohol and chloral hydrate
with potassium bromide it is much slower.
Might not this be used as a method for investigating the intensity of the action of different
narcotics on the central nervous system?
6. Beyond 24 °C the animals lost all power of self
7. The pulse and respiratory rates were reduced
parallel with the fall in bodily temperature,
and increased parallel with its rise, pointing
to a similar rise and fall in the metabolism
of the animal.
8. The rise is much more rapid than the fall.
9. The lowest temperature reached in the monkey with
recovery was 14 °C and with fatal results 12.5 °C;
in the cat it was 15.5 °C and 14.4 °C respectively
The highest temperature reached in the monkey
was 46.5 °C but this was followed by death in a