. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. 352 Comparative Animal Physiology metabolic heat results in some evaporation. Visceral temperature is never as much as ° C. above surface temperature; it approaches wet-bulb tempera- ture (Fig. 87). In unsaturated air the evaporative heat loss exceeds the metab- olic heat gain, and the body is cooled (Fig. 87). In Bufo at ° C. and relative humiditv () of 82 per cent, the body temperature was °; at. Fig. 87. The internal temperature ot frogs exposed to air moving at different speeds. Data are given
. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. 352 Comparative Animal Physiology metabolic heat results in some evaporation. Visceral temperature is never as much as ° C. above surface temperature; it approaches wet-bulb tempera- ture (Fig. 87). In unsaturated air the evaporative heat loss exceeds the metab- olic heat gain, and the body is cooled (Fig. 87). In Bufo at ° C. and relative humiditv () of 82 per cent, the body temperature was °; at. Fig. 87. The internal temperature ot frogs exposed to air moving at different speeds. Data are given in relation to the wet-bulb temperature (W. B.); dry-bulb temperature (D. B.). From Mellanby.'^ the same temperature, with relative humidity of 27 per cent, the body tempera- ture was °.'-'' In dry air so much heat is lost by vaporization that heat can be gained Irom the air by conduction.'* The metabolism of an amphibian calculated for 37° is only one-fifth that of a mammal (mouse) of comparable size.'" At 20° a frog produced CO^ equivalent to 6 but hourly lost. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Prosser, C. Ladd (Clifford Ladd), 1907-; Bishop, David W. Philadelphia, Saunders
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