PAGE RELATION OF COLOR TO INTRINSIC LUMINOSITY IN STARS OF THE SAME SPECTRAL TYPE THE MOTIONS IN SPACE OF SOME STARS OF HIGH RADIAL VELOCITY... By W. S. Adams and A. H. Joy 239 ..... NOTE ON A CONTACT LEVER, USING ACHROMATIC DISPLACEMENT FRINGES By Carl Barus 39 INTERFERENTIAL CONTACT LEVER EXPERIMENTS RELATING TO THE ELASTICS OF SMALL NOTE ON THE SELF-ADJUSTING INTERFEROMETER IN RELATION TO THE ACHROMATIC A COMPLETE Apparatus for ABSOLUTE ACOUSTICAL MEASUREMENTS. THE THERMO-ELECTRIC EQUATION P = TdV/dT ONCE MORE.... .By Edwin H. Hall 197 By A. G. Webster and L. T. E. Thompson 259 ON THE ANGLE OF REPOSE OF WET SAND.. THE ELONGATION DUE TO MAGNETIZATION. ACOUSTICAL IMPEDANCE AND THE THEORY OF HORNS AND OF THE PHONOGRAPH....... ON THE POSSIBLE Form of the EQUATION OF STATE OF POWDER GASES By A. G. Webster 286 THE RELATIVE ADSORPTION OF MIXTURES OF OXYGEN AND NITROGEN IN COCOANUT SHELL CHARCOAL. VARIATIONS, DUE TO HEAT TREATMENT, IN THE RATE OF ADSORPTION OF AIR BY COCOANUT SHELL CHARCOAL.. THE INTERFEROMETRY OF RAPID VIBRATIONS CHIEFLY IN RELATION TO TELEPHONE MEANS OF MEASURING THE SPEED OF PROJECTILES IN FLIGHT.......... PAGE .By C. G. Abbot 388 THE DISPLACEMENT OF THE GRAVITATING NEEDLE IN ITS DEPENDENCE ON ATMO- RADIATIONLESS ORBITS..... .By Carl Barus 547 THE EFFECT UPON THE ATOM OF THE PASSAGE OF AN ALPHA RAY THROUGH IT By Frank Wigglesworth Clarke and George Steiger 6 .By J. B. Ferguson and H. E. Merwin 16 THE TERNARY SYSTEM CaO-MgO-SiO2. ... ON SOME METALLIC DERIVATIVES OF ETHYL THIOGLYCOLLATE By Charles A. Rouiller. 145 AN ELECTROMAGNETIC HYPOTHESIS OF THE KINETICS OF HETEROGENEOUS EQUILIB- RIUM, AND OF THE STRUCTURE OF LIQUIDS.. .By Duncan A. MacInnes and Leon Adler 160 THE STRUCTURE OF ATOMS AND THE OCTET THEORY OF VALENCE..By Irving Langmuir 252 SOME APPLICATIONS OF THE VARIATION OF HYDROGEN OVERVOLTAGE WITH THE PRES- STUDIES OF THE CONSTITUTION OF STEEL. INFLUENCE OF IONS ON THE ELECTRIFICATION AND RATE OF DIFFUSION OF WATER THE CHANGE OF MOLECULAR KINETIC ENERGY INTO MOLECULAR POTENTIAL ENERGY: THE ENTROPY PRINCIPLE AND MOLECULAR ASSOCIATION... By William D. Harkins 539 NEW MEASUREMENTS OF THE VAPOR PRESSURE OF MERCURY...By Alan W. C. Menzies 558 COHESION, INTERNAL PRESSURE, ADHESION, TENSILE STRENGTH, TENSILE ENERGY, AND MOLECULAR ATTRACTION.... THE ADHESION BETWEEN MERCURY, WATER, AND ORGANIC SUBSTANCES, AND THE GEOLOGY AND PALEONTOLOGY 1 ON SOME FUNDAMENTALS OF PRE-CAMBRIAN PALEO-GEOGRAPHY. By Rudolph Ruedemann FALKLANDIA. SEVENTEEN SKELETONS OF MOROPUS; PROBABLE Habits of this ANIMAL. By Henry Fairfield Osborn 250 PALEMASTODON, THE ANCESTORS OF THE LONG-JAWED MASTODONS ONLY..... DISCOIDAL STRUCTURE OF THE LITHOSPHERE By Henry Fairfield Osborn 265 BOTANY By Erwin F. Smith 36 THE CAUSE OF PROLIFERATION IN BEGONIA PHYLLOMANIACA.. FUCUS SPORES AND RHIZOIDS... By Annie May Hurd 201 PHENOMENA OF CELL DIVISION IN THE CAMBIUM OF ARBORESCENT GYMNOSPERMS AND .By Irving W. Bailey 283 ZOOLOGY PAGE FLAGELLATE AFFINITIES OF TRICHONYMPHA By Charles Atwood Kofoid and Olive Swezy RESTORATION OF VITALITY THROUGH CONJUGATION... THE EFFECT OF TRANSPLANTING LIMBS UPON THE FORMATION OF NERVE PLEXUSES ON THE ETHOLOGY OF CHITON TUBERCULATUS. ..... QUANTITATIVE RELATIONS BETWEEN CHROMATIN AND CYTOPLASM IN THE Genus Ar- CELLA, WITH THEIR RELATIONS TO EXTERNAL CHARACTERS. .By R. W. Hegner 19 IS THE ARRANGEMENT OF THE GENES IN THE CHROMOSOME LINEAR?...By W. E. Castle 25 THE LINKAGE SYSTEM OF EIGHT SEX-LINKED CHARACTERS OF DROSOPHILA VIRILIS PIEBALD RATS AND THE THEORY OF GENES.. LINEAR ARRANGEMENT OF GENES AND DOUBLE Crossing OvER By Harold H. Plough 167 THE SPATIAL RELATIONS OF GENES By A. H. Sturtevant, C. B. Bridges, and T. H. Morgan 168 INHERITANCE OF QUANTITY AND QUALITY OF MILK PRODUCTION IN DAIRY CATTLE By W. E. Castle 428 ARE THE GENES LINEAR OR NON-LINEAR IN ARRANGEMENT?... A BENIGN TUMOR THAT IS HEREDITARY IN DROSOPHILA. PHYSIOLOGY AND PATHOLOGY By Jacob Zinn 506 A COMPARISON OF WHITE AND COLORED TROOPS IN RESPECT TO INCIDENCE OF DISEASE AN ANALYSIS OF THE RELATION BETWEEN THE TEMPERATURE AND THE DURATION OF A .By Selig Hecht 146 By F. G. Benedict, W. R. Miles and Alice Johnson 218 ON THE PROBLEM OF THE PRODUCTION of Fat from PROTEIN IN THE DOG... THE INFLUENCE OF DEGENERATION OF ONE VAGUS NERVE UPON THE DEVELOPMENT OF PNEUMONIA. THE EFFECT OF MILLING ON DIGESTIBILITY OF GRAHAM FLOUR By C. F. Langworthy and H. J. Deuel 514 GROWTH AND REPRODUCTION IN FOWLS IN THE ABSENCE OF CAROTINOIDS AND THE ON THE MEAN AGE AT DEATH OF CENTENARIANS..... .By Raymond Pearl 83 .By N. C. Nelson 114 OFFICERS AND MEMBERS OF THE ACADEMY NOVEMBER 10, 1919 OFFICERS OF THE ACADEMY CHARLES D. WALCOTT, President A. A. MICHELSON, Vice-President F. L. RANSOME, Treasurer E. G. CONKLIN A. A. NOYES ABBOT, CHARLES GREELEY. GEORGE E. HALE, Foreign Secretary C. G. ABBOT, Home Secretary Additional Members of the Council RAYMOND PEARL MEMBERS OF THE ACADEMY ABBOT, HENRY L., U. S. A.......... ABEL, JOHN JACOB.. ADAMS, WALTER SYDNEY. AITKEN, ROBERT GRANT.. BOGERT, MARSTON TAYLOR. BOLTWOOD, B. B.. BOLZA, OSKAR... BRANNER, JOHN C... BRIDGMAN, PERCY WILLIAMS.. J. J. CARTY H. H. DONALDSON .Smithsonian Institution, Washington, D. C. .American Museum of Natural History, N. Y. City Johns Hopkins University, Baltimore, Md. ...Ithaca, N. Y. Yerkes Observatory, Williams Bay, Wis. Brown University, Providence, R. I. T. J. Coolidge Jr. Mem. Lab., Cambridge, Mass. 1331 Connecticut Ave., Washington, D. C. ..Nutrition Laboratory, Boston, Mass. Harvard University, Cambridge, Mass. University of Chicago, Chicago, Ill. .Columbia University, New York City .Columbia University, New York City Yale University, New Haven, Conn. .Reichsgrafenstr, 10, Freiburg, Germany Stanford University, California Jefferson Phys. Lab., Cambridge, Mass. New York Botanical Gardens, N. Y. City. Yale University, New Haven, Conn. .Columbia University, New York City .Stanford University, California Lick Observatory, Mount Hamilton, California Harvard University, Cambridge, Mass. .Am. Telegraph and Telephone Co., N. Y. City .186 Payson Road, Belmont, Mass. .Garrison, N. Y. University of Chicago, Chicago, Ill. .Columbia University, New York City COULTER, J. M....... COUNCILMAN, WILLIAM T.. CROSS, WHITMAN.. CUSHING, HARVEY.. DALL, WILLIAM H.. DANA, EDWARD S... DONALDSON, HENRY HERBERT'. DURAND, WILLIAM FREDERICK. FORBES, STEPHEN ALFRED.. GOODALE, GEORGE L.. HALE, GEORGE E.. HALL, EDWIN H... HALL, GRANVILLE STANLEY. HALSTED, WILLIAM STEWART.. HARRISON, Ross G.. HASTINGS, CHARLES S... HAYFORD, JOHN F... HEKTOEN, LUDVIG.. HENDERSON, LAWRENCE JOSEPH. HERRICK, CHARLES JUDSON. HILLEBRAND, WILLIAM F.. HOLMES, WILLIAM H... HOWARD, LELAND OSSIAN..... HOWE, HENRY MARION.. HOWELL, WILLIAM H.. HUNT, REID..... IDDINGS, JOSEPH P. JACKSON, CHARLES L.. JENNINGS, HERBERT SPENCER. Sheffield Scientific School, New Haven, Conn. University of Chicago, Chicago, Ill. University of Chicago, Chicago, Ill. .Yale University Observatory, New Haven, Conn. ...Rockefeller Institute, New York City .Stanford University, California Yerkes Observatory, Williams Bay, Wis. .291 Edwards St., New Haven, Conn. Harvard University, Cambridge, Mass. Solar Observatory Office, Pasadena, Cal. Harvard University, Cambridge, Mass. .Clark University, Worcester, Mass. Johns Hopkins Med. School, Baltimore, Md. .Columbia University, New York City Yale University, New Haven, Conn. .Yale University, New Haven, Conn. Northwestern University, Evanston, Ill. .629 South Wood St., Chicago, Ill. Harvard University, Cambridge, Mass. ..University of Chicago, Chicago, Ill. Bureau of Standards, Washington, D. C. U. S. National Museum, Washington, D. C. U. S. Dept. of Agriculture, Washington, D. C. .Broad Brook Road, Bedford Hills, N. Y. .School of Hygiene and Public Health, Baltimore, Md. Harvard Med. Sch., Boston, Mass. U. S. Geological Survey, Washington, D. C. .383 Beacon St., Boston, Mass. Johns Hopkins University, Baltimore, Md. |