F. G. HALL. 



The results of the experiments with frogs, with six individuals, 

 show: (i) frogs were exsiccated to 41.0 per cent, of their body 

 weight, and that 50 per cent, of the water contained in their 

 bodies was given up without loss of vitality. 



TABLE IV. 



SALAMANDER, Ambystoma pv.nctatum Baird. 



TABLE V. 



FROG, Rana pipiens Schreber. 



