[Cameron] 



EFFECT ON RATS OF THYROID FEEDING 



61 



TABLE I 



Experiment No 



Thyroid Dose 1: 



Thyroid Preparation , 



Initial age (days) , 



Thyroid period (days). . . , 

 Subsequent period (days) . 



1 

 5000 

 B 

 33 

 19 

 27 



2 

 5000 

 A 

 34 

 18 

 48 



3 



5000 



A 



30 



18 



48 



4 

 5000 

 B 

 33 

 19 

 36 



5 

 2000 



B 

 30 

 18 

 37 



6 

 5000 

 B 

 32 

 19 

 18 



Initial weight (gm.) 

 Males 



Control (1). . . 



(2).... 



Thyroid (1) . . . 



(2)... 



Females 



Control (1) . . . 



(2)... 



Thyroid (1) . . . 



(2)... 



Gain in Weight 

 Thyroid period {Males) 



Control (1) gm , 



(2) 



Thyroid (1) 



(2) 



Subsequent period {Males) 



Control (1) gm , 



(2) 



Thyroid (1) 



(2) 



Total gain {Males) 



Control (1) gm 



(2) 



Thyroid (1) 



(2) 



Thyroid period {Females) 



Control (1) gm 



(2) 



Thyroid (1) 



(2) 



Subsequent period {Females) 

 Control (1) gm 



(2) 



Thyroid (1) 



(2) 



Total gain {Females) 



Control (1) gm 



(2) 



Thyroid (1) 



(2) 



41 

 41 



36 



38 

 37 



46 



42 

 44 



42 



41 



39 

 39 



38 



36 



40 

 37 



31.5 

 37.5 

 32 

 43.5 



39 



41 

 34.5 



35 



32 

 38 



31.5 

 32.5 

 33.5 

 35.5 



55 

 25 



81 



78 



136 

 103 



44.5 



34.5 

 13.5 



64.5 



89.5 

 11 



109 



124 



24.5 



49.5 

 48.5 

 22 



88 

 82.5 

 101.5 



137.5 



131 



123.5 



37.5 

 52.5 

 38 

 30 



50.5 

 66.5 

 93.5 

 114 



88 

 119 

 131.5 

 144 



40.5 



27 

 35 



83 



105 

 93.5 



123.5 



ri32 

 128.5 



39 



30 

 34.5 



50 



72 

 56.5 



89 



102 

 91 



38 

 27.5 



32 

 52.5 



70 

 80 



33 



28.5 

 26 



52 



72.5 

 64.5 



85 



101 

 90.5 



43 



29 

 22 



49 



65.5 

 55 



92 



94.5 



77 



36 

 39.5 



28 

 28.5 



59.5 

 71 

 66 

 64 



95.5 



110.5 



94 



92.5 



25.5 



31 



24 

 27 



27.5 

 26.5 



45.5 

 14 



44 

 20.5 



89.5 

 34.5 



15 



40.5 

 23.5 

 11.5 



6.5 

 37 



26.5 

 15 



21.5 

 77.5 

 50 

 26.5 



