36 



Ada Springer 



TABLE IV 

 Set Di 

 Rate of growth after cutting tails of at base. Fed 1^3 

 mg. of beef a week 



Set D2 

 Tails cut at base as in D^ 



Began to feed 408 mg. of beef a week 



Began to starve 



8.892 1.482 



i^e^ j5J ot^. of beef a week 



II. 213 

 II .412 

 11.865 

 13.105 

 14-25 



15- 



16.535 



16.5 



16.955 



17.565 



16.689 



16.737 



17.17 



23.1 



1-7 

 3-9 



5- 

 «-3 



2-5 

 2-5 



9-7 

 -0.2 



2.7 

 3-5 



o.- 



2-5 



