fCAMERON-MOORE] 



THYROID FEEDING OF RATS 



35 



TABLE V 

 Male Rats 



Age 



Days 



68 

 71 



78 

 85 

 92 



Gain in weight 



Rats 



gm. 

 86 

 91 



107 

 120 

 139 



+48 

 +53% 



Rat 2 



+T (1:5000) 



gm. 

 83 



95 

 104 

 113 



+25 

 +28% 



Rat 3 



-V 



gm. 

 86 

 90 



88 

 81 

 85 



-0 



-6% 



Rat 4 



-V+T 



gm. 

 90 

 91 



75 

 71. 



57 



-34 



-37% 



It is more difficult to draw definite conclusions from the figures 

 for organ -weights. The effect of thyroid has been estabHshed, but 

 not much is known definitely of the efïect of vitamin-deficiency. 

 McCarrison has shown, and Vincent and Hollenberg have confirmed 

 that starvation produces adrenal enlargement, and McCarrison has 

 obtained this with vitamin deficiency (also a starvation). This has 

 been confirmed by Kellaway. 



In considering our own figures it is obvious that in cases where 

 there has been a marked decrease in weight percentage figures are 



