PERCENTAGE OF WATER! WILD NORWAY 



379 



TABLE 208 

 Giving the percentage of water in the blood of the Norway rat, Hatai (MS., '15) 



TABLE 209 

 Refractive index of blood serum of the wild Norway rats of different body lengths 



TABLE 210 



Showing the percentage of water in the brain and spinal cord of the Norway rat at 

 different ages (sexes combined), (Donaldson and Hatai, '11^ 



