PLATE 27 



A-B. — A cow (No. 645) and her calf, showing the effect of a baked-wheat, wheat- 

 straw, and organic-salt mixture. The calf was dead at birth. Baking and salt addi- 

 tions had not made the ration a perfect one. 



C-D. — A cow (No. 637) and her calf, showing the effect of wheat-flour and corn- 

 stover ration. With this cow this ration was imsuccessful for reproduction. 



E-F. — A cow (No. 652) and her calf, showing the effect of a wheat-flotu- and corn- 

 stover ration. With this cow this ration was successful in reproduction. These 

 figures illustrate the differences in individual resistance and make it probable that 

 even wheat flour carries some toxicity, which could not be successfully overcome by 

 com stover, at least with all individuals. 



