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Volume 47(4);  April 1961
The cover of the journal
Anthropology
CHAIRMAN'S OPENING REMARKS
Carleton S. Coon
Proc Natl Acad Sci U S A. 1961 April; 47(4): 427.
PMCID: PMC221469
PHENOMENA ASSOCIATED WITH POPULATION DENSITY
John J. Christian
Proc Natl Acad Sci U S A. 1961 April; 47(4): 428–449.
PMCID: PMC221470
EVOLUTION AND INTEGRATION OF MECHANISMS THAT REGULATE POPULATION GROWTH
Robert L. Snyder
Proc Natl Acad Sci U S A. 1961 April; 47(4): 449–455.
PMCID: PMC221471
DISCUSSION OF THE PAPERS BY CHRISTIAN AND SNYDER
Herbert L. Ratcliffe
Proc Natl Acad Sci U S A. 1961 April; 47(4): 455–458.
PMCID: PMC221472
ON BEING JUST COMPLICATED ENOUGH
Anthony F. C. Wallace
Proc Natl Acad Sci U S A. 1961 April; 47(4): 458–464.
PMCID: PMC221473
Biochemistry
INTERACTION OF SMALL IONS AND MOLECULES WITH RIBONUCLEIC ACID
Raymond A. Brown
Proc Natl Acad Sci U S A. 1961 April; 47(4): 465–469.
PMCID: PMC221474
THE DE NOVO SYNTHESIS OF POLYSACCHARIDE BY PHOSPHORYLASE
Barbara Illingworth, David H. Brown, and Carl F. Cori
Proc Natl Acad Sci U S A. 1961 April; 47(4): 469–478.
PMCID: PMC221475
THE MECHANISM OF THE DE NOVO SYNTHESIS OF POLYSACCHARIDE BY PHOSPHORYLASE
David H. Brown, Barbara Illingworth, and Carl F. Cori
Proc Natl Acad Sci U S A. 1961 April; 47(4): 479–485.
PMCID: PMC221476
CRYSTALLINE LUCIFERIN FROM A LUMINESCENT FISH, PARAPRIACANTHUS BERYCIFORMES
F. H. Johnson, N. Sugiyama, O. Shimomura, Y. Saiga, and Y. Haneda
Proc Natl Acad Sci U S A. 1961 April; 47(4): 486–489.
PMCID: PMC221477
THE IDENTIFICATION OF A RIBOSOMAL-BOUND β-GLUCOSIDASE
H. K. Kihara, A. S. L. Hu, and H. O. Halvorson
Proc Natl Acad Sci U S A. 1961 April; 47(4): 489–497.
PMCID: PMC221478
AMINO ACID TRANSFER FROM AMINOACYL-RIBONUCLEIC ACIDS TO PROTEIN ON RIBOSOMES OF ESCHERICHIA COLI
Daniel Nathans and Fritz Lipmann
Proc Natl Acad Sci U S A. 1961 April; 47(4): 497–504.
PMCID: PMC221479
RECOMBINATION DURING TRANSFORMATION IN HEMOPHILUS INFLUENZAE
Mary Jane Voll and Sol H. Goodgal
Proc Natl Acad Sci U S A. 1961 April; 47(4): 505–512.
PMCID: PMC221480
PURIFICATION AND IMMUNOLOGICAL CHARACTERIZATION OF TYPES 4 AND 5 ADENOVIRUS-SOLUBLE ANTIGENS
Wesley C. Wilcox and Harold S. Ginsberg
Proc Natl Acad Sci U S A. 1961 April; 47(4): 512–526.
PMCID: PMC221481
Chemistry
SIGNIFICANT LIQUID STRUCTURES, VI. THE VACANCY THEORY OF LIQUIDS
Henry Eyring and Taikyue Ree
Proc Natl Acad Sci U S A. 1961 April; 47(4): 526–537.
PMCID: PMC221482
Engineering
A MATHEMATICAL AID IN OPTIMIZING ENGINEERING DESIGNS
Clarence Zener
Proc Natl Acad Sci U S A. 1961 April; 47(4): 537–539.
PMCID: PMC221483
Genetics
TRANSITIONS AND TRANSVERSIONS INDUCED BY DEPURINATING AGENTS
Elisabeth Bautz Freese
Proc Natl Acad Sci U S A. 1961 April; 47(4): 540–545.
PMCID: PMC221484
FORMATION OF DUPLICATION-DEFICIENCY PRODUCTS BY ASYMMETRICAL EXCHANGE WITHIN A COMPLEX LOCUS OF DROSOPHILA MELANOGASTER
B. H. Judd
Proc Natl Acad Sci U S A. 1961 April; 47(4): 545–550.
PMCID: PMC221485
THE PROPERTIES OF ALTERED PROTEINS FROM MUTANTS BEARING ONE OR TWO LESIONS IN THE SAME GENE
Barbara D. Maling and Charles Yanofsky
Proc Natl Acad Sci U S A. 1961 April; 47(4): 551–566.
PMCID: PMC221486
PROGRESSIVE CONVERSION OF R-LOCUS EXPRESSION IN MAIZE
Bernard C. Mikula
Proc Natl Acad Sci U S A. 1961 April; 47(4): 566–571.
PMCID: PMC221487
AN XXY MALE IN THE MOUSE
Liane Brauch Russell and Ernest H. Y. Chu
Proc Natl Acad Sci U S A. 1961 April; 47(4): 571–575.
PMCID: PMC221488
Geophysics
EXTRA-TERRESTRIAL LIFE
Philip H. Abelson
Proc Natl Acad Sci U S A. 1961 April; 47(4): 575–581.
PMCID: PMC221489
Mathematics
UNIFORM CONVERGENCE OF MONOTONE SEQUENCES OF FUNCTIONS
S. Bochner
Proc Natl Acad Sci U S A. 1961 April; 47(4): 582–585.
PMCID: PMC221490
SOME ASPECTS OF THE FERMAT PROBLEM (SECOND PAPER)
H. S. Vandiver
Proc Natl Acad Sci U S A. 1961 April; 47(4): 585–590.
PMCID: PMC221491
Physics
GENERALIZED INVARIANT IMBEDDING RELATION
R. W. Preisendorfer
Proc Natl Acad Sci U S A. 1961 April; 47(4): 591–594.
PMCID: PMC221492
Physiology
SPECIFIC HOMOGRAFT TOLERANCE IN LYMPHOID CELLS OF LONGLIVED RADIATION CHIMERAS
L. J. Cole and W. E. Davis, Jr.
Proc Natl Acad Sci U S A. 1961 April; 47(4): 594–602.
PMCID: PMC221493
Zoölogy
THE GEOMETRY OF COILING IN GASTROPODS
David M. Raup
Proc Natl Acad Sci U S A. 1961 April; 47(4): 602–609.
PMCID: PMC221494
PROLONGATION OF THE LIFE SPAN OF KOKANEE SALMON (ONCORHYNCHUS NERKA KENNERLYI) BY CASTRATION BEFORE BEGINNING OF GONAD DEVELOPMENT
O. H. Robertson
Proc Natl Acad Sci U S A. 1961 April; 47(4): 609–621.
PMCID: PMC221495
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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