GROWTH OF ORGANS ON BODY LENGTH 



203 



TABLE 85 



Gives the tail length, body weight, brain weight and spinal cord weight for each milli- 



meter of body length of the male and female Norway rat respectively. 



See Charts 28, 29, SO, SI. 



50 

 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 

 59 

 60 



15.0 

 16.2 

 17.3 

 18.5 

 19.6 

 20.8 

 21.9 

 23.0 

 24.1 

 25.3 

 26.4 



4.4 

 4.8 

 5.1 

 5.4 

 5.8 

 6.1 

 6.5 

 6.8 

 7.2 

 7.6 

 7.9 



0.270 

 0.367 

 0.443 

 0.508 

 0.563 

 0.611 

 0.655 

 0.694 

 0.730 



0.031 

 0.034 

 0.037 

 0.040 

 0.043 

 0.046 

 0.049 

 0.052 

 0.055 

 0.058 

 0.061 



16.0 

 17.2 

 18.4 

 19.6 

 20.8 

 21.9 

 23.1 

 24.3 

 25.4 

 26.5 

 27.7 



4.6 

 4.9 

 5.2 

 5.6 

 5.9 

 6.3 

 6.6 

 7.0 

 7.4 

 7.7 

 8.1 



0.307 

 0.393 

 0.462 

 0.522 

 0.574 

 0.620 

 0.661 

 0.698 

 0.732 



0.032 

 0.035 

 0.038 

 0.041 

 0.044 

 0.047 

 0.050 

 0.053 

 0.056 

 0.059 

 0.063 



61 

 62 

 63 

 64 

 65 

 66 

 67 

 68 

 69 

 70 



27.5 

 28.6 

 29.7 

 30.8 

 31.9 

 32.9 

 34.0 

 35.1 

 36.2 

 37.2 



8.3 



8.7 



9.1 



9.5 



9.9 



10.3 



10.7 



11.1 



11.5 



11.9 



0.763 

 0.794 

 0.823 

 0.850 

 0.875 

 0.900 

 0.923 

 0.944 

 0.965 

 0.985 



0.064 

 0.067 

 0.070 

 0.074 

 0.077 

 0.080 

 0.083 

 0.086 

 0.090 

 0.093 



28.8 

 29.9 

 31.1 

 32.2 

 33.3 

 34.4 

 35.5 

 36.6 

 37.7 

 38.8 



8.5 



8.9 



9.3 



9.7 



10.1 



10.5 



10.9 



11.3 



11.8 



12.2 



0.763 

 0.793 

 0.820 

 0.846 

 0.871 

 0.894 

 0.916 

 0.937 

 0.957 

 0.977 



0.066 

 0.069 

 0.072 

 0.075 

 0.078 

 0.082 

 0.085 

 0.088 

 0.091 

 0.095 



71 

 72 

 73 

 74 

 75 

 76 

 77 

 78 

 79 

 80 



38.3 

 39.4 

 40.4 

 41.5 

 42.5 

 43.6 

 44.6 

 45.7 

 46.7 

 47! 7 



12.4 

 12.8 

 13.3 

 13.7 

 14.2 

 14.7 

 15.1 

 15.6 

 16.1 

 16.6 



1.005 

 1.023 

 1.041 

 1.059 

 1.075 

 1.092 

 1.107 

 1.123 

 1.138 

 1.152 



096 

 0.099 

 0.103 

 0.106 

 0.109 

 0.113 

 0.116 

 0.119 

 0.123 

 0.126 



39.9 

 41.0 

 42.1 

 43.1 

 44.2 

 45.3 

 46.4 

 47.4 

 48.5 

 49.5 



12.6 

 13.1 

 13.5 

 14.0 

 14.5 

 14.9 

 15.4 

 15.9 

 16.4 

 16.9 



0.995 

 1.013 

 1.031 

 1.048 

 1.064 

 1.080 

 1.095 

 1.110 

 1.124 

 1.138 



0.098 

 0.101 

 0.104 

 0.108 

 0.111 

 0.114 

 0.118 

 0.121 

 0.125 

 0.128 



81 

 82 



48.8 

 49.8 



17.1 

 17.6 



166 

 180 



0.129 

 0.133 



50.6 

 51.7 



17.4 

 17.9 



1.152 

 1.166 



0.131 

 0.135 



