58 



MILK 









'W.r 





c 



Fig. 20.— Detached epithelial cells and polynuclear leukocytes (Ernst). 





U: 











v-^-©'!^^* ^ 



^ 



» 



ii'--^^ 



> V 



Fig. 21. — Formation of large colostrum corpuscles, magnified 800 (Ernst). 



