抄録
1) Immunospecific antigen consists mostly of protein. Its hydrolysate is observed to contain 20 different kinds of amino acid, to which a small quantity of a polysaccharide consisting of galactose and rhamnose is bound.
2) Non-immunospecific antigen is a polysaccharide consisting mostly of galactose, glucosamine (1: 1) and a microscopic quantity of xylose. It is bound with a small quantity of peptide composed of six kinds of amino acid.
3) Immunospecific antigen was reacted only with anti-anthrax serum but non-immunospecific antigen reacted with anti-cereus and anti-subtilis serum.
4) The antigen-antibody reaction seen in an Ascoli reaction is entirely or nearly a group reaction.
