. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EVAPORATION FROM FROGS 121 The body temperatures of frogs in various relative humidities at 20° C. are supplied by the data of Hall and Root (1930); they are replotted in Fig. 5. The vertical distance between the lines T and W in this figure is the difference of temperature that exists in a steady state between a frog's body and the dew-point of the air surrounding it. This is least at 100 per cent humidity (°), as might be expected. Comparison with the wet-bulb temperature as obtained with a standard psychrometer (t/)&g
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EVAPORATION FROM FROGS 121 The body temperatures of frogs in various relative humidities at 20° C. are supplied by the data of Hall and Root (1930); they are replotted in Fig. 5. The vertical distance between the lines T and W in this figure is the difference of temperature that exists in a steady state between a frog's body and the dew-point of the air surrounding it. This is least at 100 per cent humidity (°), as might be expected. Comparison with the wet-bulb temperature as obtained with a standard psychrometer (t/)> shows that a frog resembles a wet-bulb + 6 o X. CJ b Q- _• c^3 CJ -2 03 d CJ -6 98 100 H V o 20 40 60 80 100 Relative humidity in percent FIG. 6. Partition of virtual heat exchanges by frogs at 20° C. R, gain of heat by conduction, convection, and radiation from the surroundings; H, gain of heat by oxidative production in the frogs; V, loss of heat by evaporation of water from the frog's surface. The inset at the top is a ten-fold enlargement of the right-hand edge of the graph. thermometer very closely in high humidities. In low humidities the effect of convection in slinging the psychrometer is more pronounced. Hall and Root (1930) had only slight air movement when they meas- ured the rectal temperatures of the 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
