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Journal of Experimental Biology 16,487-498 (1939)
Published by Company of Biologists 1939

Studies on the Fauna of an Algerian Hot Spring

I. L. MASON

1. A description is given of the hot springs of Hammam Meskoutine, Algeria, and the principal animals and plants found living in them above a temperature of 38°C.

2. Life was found up to the following maximum temperatures: plants (blue-green algae), 58° C.; animals (Cypris balnearia), 51.5° C.

3. A comparison between the death-points of the principal animals and the temperatures at which they were living shows:

(a) That some animals (Cypris balnearia and Bidessus signatellus) are confined to thermal waters.

(b) That some animals can exist, for short periods, at temperatures above their eventual thermal death-points (Cypris balnearia and Rana ridibunda).

(c) That some animals have death-points which vary with the temperatures at which they live (Barbus callensis and Potamon edulis).

This article has been cited by other articles:

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