HUDSON 



o 10 



AMBIENT TEMR 'C 



Figure 8. Evaporative water loss in 19 Citellus leucurus at different ambient 

 temperatures. The line between 30 C and 40 C is described by the equation Y = 

 (0.0431) (1.159) . The break in the two lines denotes the onset of copious salivation. 



436 



