Abstract
Abstract o 1. Evaporative water loss (EWL) of lizards was highly sensitive to variations in technique. 2. Animal activity was maximum by day and daytime EWL exceeded nighttime rates by a factor of 1.3. 3. Tethering lizards to hold them in fixed positions caused struggling and increased EWL by a factor of 1.7, and both respiratory and cutaneous evaporation contributed to the increases. 4. The best approximation to resting rates of respiratory and cutaneous EWL was obtained by placing lizards in a rubber membrane, collar but leaving them otherwise unrestrained. 5. Total water loss of lizards did not increase linearly with saturation deficit but had decreasing slope, implying that skin resistance to water flux increased in dry air. 6. Eyes of lizards lacking spectacles are an important avenue of EWL.
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