256 
Journal of Agricultural Research 
Vol. XXIX, No. $ 
Fig. 3.—Vitamin A potency of 0.25 gm. of whole fresh egg. Beginning at the points marked “x,” the 
curative dose of egg was given daily after the rats had shown unmistakable symptoms of xerophthalmia 
Z7/7K5 
Fig. 4.— Vitamin A potency of 0.1 gm. of whole fresh egg. Beginning at the points marked the 
curative dose of egg was given daily after the rats had shown unmistakable symptoms of xerophthalmia 
