This journal provides immediate access to some articles. Volume 21(6); June 1935 Bacteriology and Pathology Panothenic Acid and the Nodule Bacteria-Legume Symbiosis PMCID: PMC1076591 Genetics Chromosome Ends in Datura Discolor PMCID: PMC1076608 The Effect of Yellow-Scute Gene Deficiency on Somatic Cells of Drosophila PMCID: PMC1076609 Headdot: An Incompletely Recessive White Spotting Character of the House Mouse PMCID: PMC1076610 X Chromosome Inversions and Meiosis in Drosophila Melanogaster PMCID: PMC1076611 Linkage Studies of the Rat (Rattus Norvegicus) PMCID: PMC1076612 X-Ray and Abnormalities: Increased Abnormality of Segments in Drosophila Due to X-Raying of Gametes PMCID: PMC1076613 Geology and Paleontology The Provincetown, Massachusetts, Earthquake of April 23, 1935, and Data for Investigating New England's Seismicity PMCID: PMC1076593 The Ancestral Tree of the Proboscidea. Discovery, Evolution, Migration and Extinction Over a 50,000,000 Year Period PMCID: PMC1076614 Mathematics Summation of Multiple Fourier Series by Spherical Means PMCID: PMC1076601 The Automorphisms of Cayley's Non-Associative Algebra PMCID: PMC1076602 On a Topological Characterization of Compact Convex Point Sets PMCID: PMC1076603 Generalized Concavity Theorems PMCID: PMC1076604 A Theorem of Extremals: II PMCID: PMC1076605 A Certain Region in Euclidean 3-Space PMCID: PMC1076606 On Normal Operators PMCID: PMC1076607 Physics Equatorial Longitude Effects on Cosmic Rays PMCID: PMC1076594 Spheroidal Functions of the Second Kind PMCID: PMC1076595 Thermal Equilibrium in a General Gravitational Field PMCID: PMC1076596 On the Expansion of Green's Function PMCID: PMC1076597 Physiology and Biochemistry Lability of the Basal Metabolism of the Dairy Cow PMCID: PMC1076592 Zoölogy and Anatomy Studies of Carotenoid Pigments in Fishes: III. The Effects of Ingested Carotenoids upon the Xanthophyll Content of Fundulus Parvipinnis PMCID: PMC1076598 Some Rare Amphibians and Reptiles of the United States PMCID: PMC1076599 Studies of Protective Color Change: III. Experiments with Fishes Both as Predators and Prey PMCID: PMC1076600 Journal Matter Administrative content — journal masthead, notices, indexes, etc. | ||