An essay on the torpidity of animals / By Henry Reeve.

  • Henry Reeve
Date:
1809
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the torpidity of animals / By Henry Reeve. Source: Wellcome Collection.

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    hunger. The average temperature of hedgehogs in summer is 96®, and I am disposed to think it is never reduced in winter much below 50°. The internal temperature of the dor- mouse in its active and healthy state is 101°;—when rolled up and torpid in win- ter, the thermometer indicates 43°, 39°, and even 35° on the external parts of its body, and when introduced into the sto- I mach indicates 67°, and 73°.—In an ani- mal of the same tribe (the order of Glires), in Russia, Pallas found the tem- perature ^103° during summer, and 84 in its torpid state. Marmots have a tempe- rature 101°, 102°, which gradually sinks as they become torpid, till it comes down to 43°, and even lower. Bats have a temperature nearly of the same standard in summer as that of marmots ; they are soon ah’ected by the changes
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