Mercury and Regulus, Trails of.. Meteor durimeter, Lincoln La Paz. 182 375 72 Moon, A new projection of the, Russell W. Porter, Plate XXXVIII.....Op. 573 Plate XXXIII. Op. 516 Nebula, The Spiral, M 64, Comae Berenices, Plate XXXIX..... R. W. Porter, Views of..... ...Op. 615 .Op. 305 631 .Op. 141 .311, 312, 313, 317 The Dearborn, of Northwestern University, Plate XXVIII..Op. 475 Dominion, Ottawa, Canada....... Sproul, Swarthmore, Pa., Plate XXXVI.. Planets, Apparent paths of the, among the stars. Polar reflecting telescope (diagrams)... Pyramids around Gizeh (diagram). Reflector dome and comet-seeker of the La Plata Observatory. Reduced fac-simile title page of, Plate XIX.. RX Herculis, Observed magnitudes and theoretical light curve of. The system of, compared with the sun.. Small star with large proper motion, Photographs of region about the, 338 .Op. 578 409 415 of the, ...Op. 410 .49, 50 309, 310, 316 626 14 .Op. 344 .Op. 347 .Op. 345 693 693 ....Op. 505 Saturn-Opposition 1914-15, Drawing by Dr. Percival Lowell, Plate XXV Op. 419 Solar prominence of January 7, 1916, The, Photographed by O. J. Lee, Plate VIII ..Op. 205 Sun and spots, Drawings of, accompanying the Tres Epistolae, Plate IX. .Op. 212 16 showing spots and faculae, reduced from Rosa Ursini, Plate XXII..Op. 349 Op. 150 Sun spots, March 9, 1916...... 265 Tres Epistolae, Reduced fac-simile title page of, Plate X.... Theodolite for testing telescopic specula (diagram).. Transit Factors, diagram for computation of.... Uranus, Apparent orbits of satellites of.... ..Op. 213 371 .18, 20 540 53 Variable star observers, The American association of, Plate IV.........Op. 124 Venus and Jupiter, Trails of.... 263 at conjunction 467 drawings of, in 1915, David H. Wilson, Plate XXXVII.. .Op. 571 William Frederick King, Plate XVII..... .Op. 337 World at the time of Louis XIV, The system of the.. 544 GENERAL INDEX TO VOLUME XXIV Adams, Walter S., An interesting case of two stars of common motion............... Two spectroscopic binaries... Alden, Harold L., On the calibration of the photometer wedge of the Le- ander McCormick Observatory (abstract)..... 266 585 266 586 Allen, Leah B., A more favorable public opinion. American Astronomical Society, Report of the nineteenth meeting of the. 578, 655 Apple, A. Thos. G., Observations of Jupiter-Apparition of 1914. test for planetary definition, The, William H. Pickering. errors, Popular, Frederick Campbell.. society of the Pacific, The meeting of the.. work, Appropriation for..... 174 248 77 273 574 587 680 613 very unusual, Charles A. Maney.. borealis of March 8, 1916, The, F. Henroteau. of April 27 and 28, The, John Koep.... Badgley, Col. W. F., Origin of meteors... Bancroft, H. C. Jr., Results of variable star observations.. Banded spectra in the electric furnace, The production of certain, Arthur S. Barnard, E. E., Address at the semi-centennial of the Dearborn Observatory.. 479 Barton, Samuel G., The interrelation of the asteroid elements (abstract).... 587 587 Bell, Louis, Stellar magnitudes and light ratios..... Blatchley, Henry G., Trails of Venus and Jupiter. Brashear, Dr. John A., A testimonial dinner to... 356 • 333 266 692 262 73 132 404 Brown, Ernest W., On the progress of the new lunar tables (abstract)..... 588 633 Burns, Keivin, Determination of wave lengths by interference (abstract).... 588 Campbell, Frederick, Popular astronomical errors. Using the American ephemeris... 586 80 Campbell, Leon, Co-operation in variable star observing (abstract)....... 589 ... 655 The spectral type and radial velocity of Barnard's proper Cannon, Annie J., Peculiar spectra found in preparing the new Draper Cat- Canopus, The giant sun, Charles Nevers Holmes.. Cassell, William Haller, An unusual meteor... .... 656 656 14 331 Comet 1915 e (Taylor). 129 Transits of Mercury and Venus... 171 Celestial motions in the line of sight, Russell Sullivan.......... 109, 162 Chabot Observatory dome as wireless aerial, The...... 267 Chant, C. A., W. F. King, Late chief astronomer for Canada.. 337 Chronology of the Egyptian Pyramids, F. J. B. Cordeiro.... 624 Colbert, Elias, Address at the semi-centennial of the Dearborn Observatory.. 476 Cook, John A., The ruined lunar crater walls. Copernicus, Nicolaus, Charles Nevers Holmes.. Cordeiro, F. J. B., Chronology of the Egyptian Pyramids.. Cosmological ideas among the Greeks, The, Hector Macpherson... The spectroscopic binary y Lyrae (abstract). 318 218 624 358 .249, 320, 388 658 658 658 Some structure variations in hydrogen emission lines in 659 Damping of waves and other disturbances in Mercury.. 390 Daylight saving Dawson, Bernard H., The frequency of striking conjunctions of Venus and Dearborn Observatory parallax program, First results on the, Philip Fox.... 663 De Lury, Ralph E., Note on a supposed variation in the solar rotation (ab- 662 The effect of haze spectrum on spectroscopic determina- 660 Discovery of the solar spots, The history of the, Walter M. Mitchell, ...22, 82, 149, 206, 290, 341, 428, 488, 562 Doolittle, Eric, An extension of Burnham's General Catalogue of Double Double Stars, An extension of Burnham's General Catalogue of, Eric Doo- 663 Fox's measures of, Eric Doolittle.... 500 Draper Catalogue, Peculiar spectra found in preparing the new, Annie J. 656 Durimeter for meteor observations, A, Lincoln La Paz. 374 200 Eclipses of 1916, The William F. Rigge. Eclipsing binary RX Herculis, The..... Eros for 1917, Elements and ephemeris of, F. E. Seagrave.. Erosion on the moon, Evidences of, William H. Pickering. Fairfield, Priscilla, Observations of sun spots at Boston University. Falsifying the time for the sake of economy.. Fox, Philip, First results on the Dearborn Observatory parallax program The semi-centennial of the Dearborn Observatory. Fox's measures of double stars, Eric Doolittle...... Francis, Vincent, The problems of the nebulae... Fry, Thornton C., The graphical computation of transit factors... I 692 198 441 80 402 474 473 663 475 500 615 17 |