REMOVAL OF THYMUS GLANDS^ — TADPOLES 



199 



Table of measurements of the gonads 



NUM- 

 BER 



DATE 

 KILLED 



BODY 

 LENGTH 



TAIL 

 LENGTH 



Right 



Left 



AVER- 

 AGE 

 AREA 



Thymusless 



Partially successful operations 



Controls 



0.12x0.11 



THE JOURNAL OF EXPERIMENTAL ZOOLOGY, VOL. 30, NO. 2 



