Publications No. 17, September 5, 1891. Observation of Jupiter and of his Satellites with the 36-inch Equa- torial of the Lick Observatory (1888-1890). The Observatory of the U. S. Military Academy at West Point, by Cuts of the Observatory and of various instruments made by to face pages 279, 280, 281, 282, 283 Observations of the Solar Eclipse of June 6, 1891, at Ogden, Appointment of Dr. KIRKWOOD to the STANFORD University . 283 Observations of the planet Uranus with the 36-inch Equatorial, by On the Determination of Stellar Magnitudes by Means of Pho- tography (translation of a letter by Dr. C. V. L. CHARLIER). 288 Note on the above by J. M. Schaeberle. Errata in the Second Armagh Catalogue of Stars, communicated Scientific Visitors to the Lick Observatory (Dr. DAVID STARR JORDAN, Prof. George ChrySTAL, F. R. S., Prof. MICHELSON) 296 Publications No. 19, November 28, 1891. Note to Professor WEINER's Paper, by EDWARD S. HOLDEN.. 344 Estrellas Fugaces, Bólidos, y Aerolitos, estudio por el Dr. JESUS (Seventh) Award of the DONOHOE Comet-Medal (to E. E. BARNARD) 354 The Forms of Jupiter's Satellites, by J. M. SCHAEBERLE and W. W. CAMPBELL.. Path of a Shooting Star, by TORVALD KÖHL. 355 358 359 Observations of Markings on Jupiter's Third Satellite, by J. M. Plates of Jupiter's Satellite III. Notices from the Lick Observatory. to face pages 359 and 361 FRANZ FRIEDRICH ERNST BRUENNOW, translated from the Experiments on the Effectiveness of Photographic Telescopes of Meteor Fall in Arizona (Sept. 7, 1891). Rainfall at Mount Hamilton (1880–91) . . New Instruments for the Allegheny Observatory. 369 370 370 371 371 The Milky Way is a Separate System of Stars [by Dr. DAVID Dr. RUTHERFURD'S Negatives of the Moon, etc. 372 373 Characteristic Forms within the Cluster in Hercules, by EDWARD Diagram of the Cluster in Hercules Gift to the Lick Observatory [by WALTER W. Law, esq.] . . . 377 The LADD Observatory (Providence, R. I.) . Scientific Visitors to the Lick Observatory (Professor SWAIN). 379 Comparative Brevity of the English, French and German Languages in Scientific Writings. Errata in Publications No. 17 Additional Corrections to Watson's Theoretical Astronomy, by Minutes of the Meetings of the Directors, November 16 and 28, 1891. 381 Members elected 381 Rules governing the distribution of extra copies of the Publica- 382 Minutes of the Meeting of the Society, November 28, 1891 . 383 CHAS. BURCKHALTER (Chabot Observatory, Oakland), J. M. SCHAEBERLE (Lick Observatory), E. J. MOLERA (850 Van Ness Avenue, S. F.), President Vice Presidents Secretaries Treasurer Board of Directors-Messrs. ALVORD, BURCKHALTER, Grant, HILL, HOLDEN, MOLERA, PIERson, SchaEberle, Soulé, WYTHE, ZIEL. Finance Committee-Messrs. PIERSON, MOLERA, HILI. Committee on Publication-Messrs. HOLDEN, KEELER, YALE. Library Committee-Messrs. MOLERA, BURCKHalter, Pierson. Committee on the Comet Medal-Messrs. HOLDEN (ex-officio), SCHAEBERLE, BURCKHALTER. |