Introduction to Branched Molecules．＆By P． J． FLORY 327
Physical Properties of Solutions of Branched Polymers．＆By BRUNO H． ZrnM 332
Dilute Solutions of Branched Polymers．＆By WALTER H． STocKMAYER AND MAR-SHALL FIXMAN 334
Application of Viscosity Methods to the Study of Branching in Polysaccharides．＆ByM． WALES， P． A． MARSHALL， S． ROTHMAN， AND S． G． WEIssBERG 353
Relation Between Degree of Branching and Degree of Conversion During Polymeriza-tion．＆By O． L． WHEELER 360
Crosslinking in Monovinyl Monomers． （Ⅰ）．＆By Chain Transfer with the PolymerChain．＆By T． G Fox AND SERGE GRATcH 367
The Structure of Amylopectin and Glycogen．＆By CHARLES O． BECKMANN 384
Branching in Polyethylene．＆By FRANK M． RUGG， JOSEPH J． SMITH， AND LLOYD H．WARTMAN 398
Studies on Polyvinyl Chloride． （Ⅱ）． Branching．＆By JoHN D． COTMAN， JR 417
Branching in Dienes．＆By MAURICE MORTON 432
Branching by Long Chain Substituents．＆By H． MARK 445