This journal provides immediate access to some articles. Volume 40(6); June 1954 Astronomy MAGELLANIC CLOUDS. XI. SURVEY OF THE NOVAE PMCID: PMC534052 MAGELLANIC CLOUDS. XII. OBSERVATIONS OF A NOVA IN THE SMALL CLOUD PMCID: PMC534053 Botany MECHANISM OF ACQUIRED IMMUNITY TO A PLANT RUST PMCID: PMC534054 Chemistry RADIAL DISTRIBUTION FUNCTIONS OF SOME STRUCTURES OF THE POLYPEPTIDE CHAIN PMCID: PMC534055 DEVIATION OF AQUEOUS ELECTROLYTE SOLUTIONS FROM ONSAGER'S EQUATION PMCID: PMC534056 Engineering THE DYNAMIC ANALYSIS OF LOW-ASPECT-RATIO AIRPLANE WINGS PMCID: PMC534057 PLASTIC FLOW IN THE CUTTING AND GRINDING OF MATERIALS PMCID: PMC534058 ON THE ROTATION OF GRID LINES PRODUCED BY THE FORMATION OF PLASTIC BANDS IN TENSION TESTS PMCID: PMC534059 Genetics ENVIRONMENTAL MODIFICATION OF HETEROSIS IN DROSOPHILA PSEUDOOBSCURA PMCID: PMC534060 POSTZYGOTIC ELIMINATION OF GENETIC FACTORS IN ESCHERICHIA COLI PMCID: PMC534061 EVIDENCE FOR ACTIVELY ACQUIRED TOLERANCE TO Rh ANTIGENS PMCID: PMC534062 ON THE NATURE OF THE EMBRYO INHIBITOR IN OVULAR TUMORS OF DATURA PMCID: PMC534063 SOMATIC MUTATIONS IN THE CARNATION, DIANTHUS CARYOPHYLLUS L PMCID: PMC534064 A PARTIAL MAP OF LINKAGE GROUP D IN NEUROSPORA CRASSA PMCID: PMC534065 INDUCED POLLEN LETHALS FROM SEEDS OF DATURA STRAMONIUM EXPOSED TO RADIATION FROM A NUCLEAR DETONATION PMCID: PMC534066 THE EFFECTS OF FAST-NEUTRON RADIATION FROM A NUCLEAR DETONATION ON CHROMOSOME ABERRATION IN DATURA PMCID: PMC534067 Mathematics BOUNDS FOR DETERMINANTS PMCID: PMC534068 THE EIGENFUNCTION EXPANSION THEOREM FOR THE GENERAL SELF-ADJOINT SINGULAR ELLIPTIC PARTIAL DIFFERENTIAL OPERATOR. I. THE ANALYTICAL FOUNDATION PMCID: PMC534069 EIGENFUNCTION EXPANSIONS FOR SINGULAR ELLIPTIC OPERATORS. II. THE HILBERT SPACE ARGUMENT; PARABOLIC EQUATIONS ON OPEN MANIFOLDS PMCID: PMC534070 GENERALIZED RIEMANN SPACES AND GENERAL RELATIVITY. II PMCID: PMC534071 SUR LES GROUPES D'EILENBERG-MAC LANE H(II, n): I. MÉTHODE DES CONSTRUCTIONS PMCID: PMC534072 TOPOLOGICAL VECTOR SPACES OF CONTINUOUS FUNCTIONS PMCID: PMC534073 THE RELATION OF SOME DATA OBTAINED FROM RAPID COMPUTING MACHINES TO THE THEORY OF CYCLOTOMIC FIELDS PMCID: PMC534074 Physics ON THE FORMATION OF PROTOGALAXIES IN THE TURBULENT PRIMORDIAL GAS PMCID: PMC534075 ON THE PROGRAM OF A SYSTEMATIZATION OF PARTICLES AND INTERACTIONS PMCID: PMC534076 Physiology THE BIOSYNTHESIS OF ISOLEUCINE AND VALINE. I. ENZYMATIC TRANSFORMATION OF THE DIHYDROXY ACID PRECURSORS TO THE KETO ACID PRECURSORS PMCID: PMC534077 A NONENZYMATIC ILLUSTRATION OF “CITRIC ACID TYPE” ASYMMETRY: THE MESO-CARBON ATOM PMCID: PMC534078 Psychology A NOTE ON RECENT DEVELOPMENTS IN AUDITORY THEORY PMCID: PMC534079 Zoölogy SOLUBILITY OF PROTYROSINASE AND TYROSINASE PMCID: PMC534080 OVARIAN HORMONES AND THE IONIC BALANCE OF UTERINE MUSCLE PMCID: PMC534081 THE PARTICULATE ORGANIZATION OF THE CHROMOSOME PMCID: PMC534082 ELECTRON-MICROSCOPIC STUDY OF THE TEXTURE OF THE BASEMENT MEMBRANE OF LARVAL AMPHIBIAN SKIN PMCID: PMC534083 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||