TABLE XIII. 

 Diet 107 and 8 cc. of milk treated in various ways. 



The results in Table XIV are those of an experiment sim- 

 ilar to the one just described, but in place of 8 cc., each rat 

 received only 7 cc. of milk, this series of experiments having 

 been completed before it was decided that 8 cc. would be the 

 most satisfactory amount. In both experiments all the rats 

 came from mothers on Diet 13 M. 



TABLE XIV. 

 Diet 94 and 7 cc. of milk treated in various ways. 



1 32 grams = average weight at death, the average age being 53 days. 



2 53 grams = average weight at death, the average age being 62 days. 



There; is apparently a measurable destruction of vitamin B 

 when the milk is heated at 100 for 6 hours in the fluid state. 

 The average growth curve for the ten rats receiving 8 cc. of 

 the reconstructed milk heated six hours at 100 C. corresponds 

 very closely to the average curve of the rats receiving 6 cc. of 

 unheated milk (Tables V and VI). This indicates that ap- 

 proximately one-fourth of the total B in the milk was destroy- 

 ed when the fluid milk was heated for six hours at 100 C. 



19 



