Abstract
In rabbit serum it has been found that the quantitative ratio between those lipids found in α and β globulin fractions was 42.3/57.7 (the value obtained in winter). By estimating the quantity of lipids after treating with various solvents, aceton, ethanol, ether and etheralcohol, and staining with S. B. B, it has been proved that the lipids found in α-globulin fraction are mainly of phospholipids, cephalin, lecithin and others and those of β-globulin fraction are mainly of cholesterol and its esters.