Price $J.OOPer Year £be THniver0it? of CbicagoFOUNDED BY JOHN D. ROCKEFELLER Single Copies5 CentsUniversity RecordPUBLISHED BY AUTHORITYCHICAGOUbe University of Gbica^o ©reesVOL. II, NO. 29. PUBLISHED EVERY FRIDAY AT 3:00 P.M. OCTOBER 15, 1897.Entered in the post office Chicago. Illinois, as second-class matter.II.III.IV.V. CONTENTS.Programme of the Exercises to be held in Connection with the Dedication of the YerkesAstronomical Observatory .... 235-236Official Notices - 236-237Religious 238The Tenth Educational Conference of HighSchools and Academies 238The Calendar - 238Programme of the Exercises to be held in Connectionwith the Dedication of the Yerkes AstronomicalObservatory.All the exercises, except those of Thursday evening andFriday, are to be held at the Yerkes Observatory, Williams Bay,Wisconsin.Owing to want of space it will be possible to admit to the laboratory demonstrations and the observations tvith the Yerkestelescope only those persons who have received special invitationsto the conferences.October i8, Monday.2 : 30 p. m. Fourth Annual Meeting of the Board of Editors of theAstrofihysical Journal.4 : 30 p. m. Opening session of conferences.Informal talks on recent investigations, including:Assistant Professor F. L. O. Wadsworth (Astrophysicist, YerkesObservatory), on the application of Diffraction Phenomena toAstronomical and Astrophysical Measurements.Dr. G. F. Hull (Professor of Physics, Colby University), onElectric Radiation. 7:30 p. m. Assistant Professor Wadsworth will demonstrate with the40- inch Yerkes telescope the application of interference methodsto astronomical measurements.*Professor Burnham will show selected double stars with the40- inch telescope.*October 19, Tuesday.9: 00 a. m. Second session of conferences.Dr. Henry Crew (Professor of Physics, Northwestern University) ,on the Source of the Characteristic Spectrum of the Metallic Arc.Dr. Henri Deslandres (Astrophysicist, Paris Observatory) , on asubject to be announced later.Dr. W. J. Humphreys (University of Virginia) , on the effect ofPressure on Wave-length.Professor James E. Keeler (Director of the Allegheny Observatory) , on the Spectra of Stars of Secchi's Third Type.Professor H. C. Lord (Director of the Emerson McMillin Observatory, Ohio State University), on Researches in Stellar Spec-trography. (The spectrograph of the Emerson McMillinObservatory will be exhibited.)Professor Carl Runge (Director of the Spectroscopic Laboratory,Technische Hochschule, Hannover) , on Oxygen in the Sun.Professor Ormond Stone (Director of the Leander McCormickObservatory, University of Virginia) , on the Great Nebula ofOrion.(Other titles may be added.)b: 15 p. m. Address on the Yerkes Observatory by Professor GeorgeE. Hale, Director.3 ; 00 P. m. Professor Hale and Mr. Ellerman will show various solarphenomena with the 40- inch Yerkes telescope, including thechromosphere and prominences, the reversal of the H and Klines in prominences and faculse, the duplication of theD3 line, etc.*Experimental demonstrations will be given in the Observatorylaboratories as follows :Experiments with the rotating arc, Professor Crew.Analysis of electric radiation by means of the interferometer,Professor Hull.The effect of pressure on wave-length, Dr. Humphreys.Measurements of wave-lengths in the infra-red spectrum,Assistant Professor Wadsworth.(Other titles may be added.) * Subject to change.236 UNIVERSITY RECORDDemonstrations in the Optical Shop :Process of grinding a 5-foot speculum, Mr. G. W. Ritchey, Optician, Yerkes Observatory.Exhibition of Foucault's method of testing the figure of mirrors,Mr. Ritchey.Exhibition of plane parallel plates and other optical surfaces.Demonstration of methods of testing, Dr. J. A. Brashear,Astronomical and Physical Instrument Works, Allegheny.Demonstrations in the Instrument Shop :The instrument shop will be in operation, and the following instruments will be shown in process of construction : 24-inchheliostat and coelostat, Mr. Ernest Lorenz, Mechanician,Yerkes Observatory. Equatorial mounting for 24-inch reflector, Mr. Lorenz. Spectroheliograph for 40-inch Yerkestelescope, Mr. Joseph Kathan, Mechanician, Yerkes Observatory. Ruling machine for optical gratings, Mr. George C.Mors, Mechanician, Yerkes Observatory.Wadsworth's method of making a perfect straightedge, Mr.Mors.Rowland's method of grinding a perfect screw, Mr. Mors.7 : 30 P. M. Professor Barnard will show the following objects with the40-inch Yerkes telescope : *N. G. C. 224 (Andromeda Nebula) .N. G. C. 598.N. G. C. 1976 (Orion Nebula).N. G. C. 2245 (cometary nebula).N. G. C. 2392 (planetary nebula).N. G. C. 6543 (planetary nebula)N. G C. 6618 (Swan nebula).N.G. C. 6720 (annular nebula).N. G. C. 7009 ("Saturn" nebula).N. G. C. 7078 (globular cluster) .R. Leporis (Hind's crimson star).Selected variable stars.The 12-inch refractor and 24-inch reflector will be used for miscellaneous observations.*October 20, Wednesday.10 : 30 a. m. Third session of conferences.Professor George C. Comstock (Director of the Washburn Observatory, University of Wisconsin) , on Determinations of StellarParallax, and on Investigations of the Lunar Atmosphere.Professor C. L. Doolittle (Director of the Flower Observatory,University of Pennsylvania), on the Latitude Work of theFlower Observatory.Father Hedrick (Astronomer, Georgetown College Observatory),on the Photochronograph. (The instrument used at the Georgetown College Observatory will be shown.)Professor H. S. Pritchett (Director of the Observatory, Washington University), on Personal Equation in Longitude Determination.Dr. Charles L. Poor (Associate Professor of Astronomy, JohnsHopkins University), on a New Form of Mirror for ReflectingTelescopes.Professor J. K. Rees (Director of the Columbia UniversityObservatory) , on the Variation of Latitude and the Reductionof the Rutherfurd Photographs.Assistant Professor F. L. O. Wadsworth, on a PhotographicMeridian Circle.(Other titles may be added.)2 : 30 p. m. Fourth session of conferences.Professor E. E. Barnard (Astronomer, Yerkes Observatory), onAstronomical Photography. (Illustrated with lantern views.)ather Hagen (Director of the Georgetown College Observatory) ,on An Atlas of Variable Stars.Professor G. W. Hough (Director of the Dearborn Observatory.Northwestern University) , on Jovian Phenomena. (Illustratedwith lantern views.)Professor G. W. Myers (Director of the Observatory, Universityof Illinois), on the System of /3 Lyrse.Professor Simon Newcomb, on a subject to be announced later.Professor E. C. Pickering (Director of the Harvard CollegeObservatory) , on the Work of the Harvard College Observatory. (Illustrated with photographs.)(Other titles may be added.)7 ; 30 P. M. Professor Hale will show the spectra of the followingobjects with the 40- inch Yerkes telescope : * N. G. C. 1976 (Orion Nebula). a Lyrse.N. G. C. 7027. a Tauri.Alcyone. a Orionis.DM. 300 3639.October 21, Thursday.8 : 30 a. m. Departure from the Northwestern Depot, Chicago, of thespecial train provided for the Trustees, members of theFaculties and official guests of the University; of Chicago.(Tickets, without which no one will be admitted to the train,may be obtained by invited guests on application to AssistantProfessor Francis W. Shepardson, the University of Chicago,Chicago.)g : 30 a. m. Final session of conferences.Dr. Kurt Laves (the University of Chicago), on the Teaching ofTheoretical Astronomy in America, and on Jacobi's Investigations in Theoretical Astronomy.* (Other titles may be added.)11 : 00 a. m. Arrival at Williams Bay. Steamers and other conveyances will be provided to transport guests to the Observatory.(Tickets should be presented at the door.)11 : 30 a. m. Formal Presentation and Acceptance of the Yerkes Observatory.1. Address: '* The Importance of Astrophysical^ Research andthe Relation of Astrophysics to other Physical Sciences."Professor James E. Keeler, Sc.D., Director of the AlleghenyObservatory.2. Presentation. Mr. Charles T. Yerkes.3. Acceptance on behalf of the Trustees. The President of theBoard of Trustees.4. Acceptance on behalf of the University. The President ofthe University.5. Prayer. Charles Kendall Adams, President of the University of Wisconsin.1 : 00 p. m. Luncheon served to the Trustees, members of theFaculties, and official guests.(Kindly present ticket.)2 : 00 to 3 : 30 p. m. Inspection of the Yerkes Observatory.3 : 30 p. m. Steamers leave for Williams Bay Station.4: 00 p.m. Departure of special train for Chicago.October 22, Friday.10: 00 a. m. Inspection of the Ryerson Physical Laboratory and otherbuildings of the University of Chicago.In the Ryerson Laboratory Head Professor Michelson andAssociate Professor Stratton will demonstrate the effect of amagnetic field on radiation, and exhibit an interferential comparer and a new form of harmonic analyzer.1 : 00 p. m. Luncheon given by the President of the University to thevisiting scientists a^nd other official guests.Haskell Museum — Assembly Room.3:00 P.M. Address: " Aspects of Modern Astronomy." ProfessorSimon Newcomb, LL.D. Kent Theater.(Tickets of admission may be obtained on application toAssistant Professor Francis W. Shepardson, the University ofChicago, Chicago.)7 : 30 P. m. Banquet to the visiting scientists.Kinsley's Restaurant.Official Notices.* Subject to change. Regular Meetings op Student Counselors. —The President will hold regular monthly meetingswith the student counselors, from 1: 30 to 2: 00 p.m. onFridays, as follows :The Counselors of the Graduate Schools, firstFriday.The Counselors of the Divinity School, secondFriday.The Counselors of the Senior Colleges, third Friday-The Counselors of the Junior Colleges, fourth Friday.