This journal provides immediate access to some articles. Volume 42(1); January 1956 Astronomy ON FORCE-FREE MAGNETIC FIELDS PMCID: PMC534220 THE EQUILIBRIUM OF MAGNETIC STARS PMCID: PMC534221 Biochemistry CHANGES IN THE COMPOSITION OF AN ACTINOMYCIN COMPLEX DURING GROWTH OF A STREPTOMYCES CULTURE PMCID: PMC534222 ON THE MECHANISM OF HYDROGENASE ACTION PMCID: PMC534223 Botany PIGMENT CONVERSION IN THE FORMATIVE RESPONSES OF PLANTS TO RADIATION PMCID: PMC534224 PROGRESSIVE CONFIGURATIONAL CHANGES, DURING CELL DIVISION, OF CELLS WITHIN THE APICAL MERISTEM PMCID: PMC534225 Chemistry THE OPTICAL ROTATORY POWER OF HELICAL MOLECULES PMCID: PMC534226 Mathematics HOMOLOGICAL DIMENSION IN NOETHERIAN RINGS PMCID: PMC534227 GENERAL THEORY OF ELLIPTIC EQUATIONS PMCID: PMC534228 SPECTRAL SYNTHESIS FOR THE CANTOR SET PMCID: PMC534229 A CENTRAL LIMIT THEOREM AND A STRONG MIXING CONDITION PMCID: PMC534230 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||