| a | potential age of females first producing young |
| b | potential annual birth rate of female young |
| Ca | conductance of air |
| Cd | conductance of den walls |
| Cm | minimum thermal conductance |
| Cmd | minimum dry thermal conductance |
| Cmw | minimum wet thermal conductance |
| Cmwr | ratio of measured to predicted minimum wet thermal conductance |
| Ct | total conductance |
| Dd | diversity of diet |
| Ddr | ratio of food categories actually used by a species to the total number of food categories taken by all species tested |
| Ė | evaporative water loss |
| Ec | ratio of evaporative heat lost to metabolic heat produced |
| Ėeq | oxygen equivalent for heat lost by evaporation |
| Ḣb | basal metabolic rate |
| Ḣr | lowest resting metabolic rate at each temperature |
| Hbr | ratio of measured to predicted basal metabolic rate |
| m | mass of animal |
| mw | mass of water |
| n | potential age of females producing their final young |
| rmax | intrinsic rate of natural increase |
| rmaxe | expected intrinsic rate of natural increase |
| rmaxr | ratio of calculated to expected intrinsic rate of natural increase |
| RQ | respiratory quotient |
| Ta | chamber air temperature |
| Tb | body temperature |
| Tlc | lower critical temperature |
| Tn | thermoneutral zone |
| Tuc | upper critical temperature |
| t | time |
| .Va | rate of air flow through -tubes |
| .Ve | rate of air flow into metabolism chamber |
| α | active phase of the daily cycle |
| γ | heat equivalent of oxygen |
| λ | heat of vaporization of water |
| ρ | rest phase of the daily cycle |
Literature Cited
Aschoff, Jürgen
1981. Thermal Conductance in Mammals and Birds: Its Dependence on Body Size and Circadian Phase. Comparative Biochemistry and Physiology, 69A:611-619, 3 figures, 2 tables.
Aschoff, J., and H. Pohl
1970. Rhythmic Variations in Energy Metabolism. Federation Proceedings, 29:1541-1552, 18 figures.
Barghoorn, Elso S.