Biography of Professor W. C. BOND Scientific Expedition to the Summit of Mont Blanc [by M. Argelander's D. M. maps wanted by the Lick Observatory . Scientific Visitors to the Lick Observatory [H. F. NEWALL, esq., Comparison of Some Photographs and Drawings of the Nebula 57 Observatory of the Catholic University of America Photograph of the Cluster M. 34 = G. C. 584 [made at the Lick (See, also, page 74.) SCHMIDT'S Drawings of Nebula Orionis, 1860–75, compared with Corrections to Publications A. S. P., nos. 13 and 14. (List of) the Comets of 1890. 69 69 Some Physical Phenomena involved in the Mechanical Theory of the Corona, by J. M. SCHAEBERLE . 70 Predictions relating to the Annular Eclipse of the Sun, June 6, 1891, by J. M. SCHAEBERLE 74 United States Naval Observatory, by EDWARD S. HOLDEN. . 74 Minutes of the Meeting of the Directors, January 31, 1891 .. List of Members elected. Amendment to the By-Laws . Organization of the Chicago Section, A. S. P. 76 76 Seal of the Society adopted. Engraving of the Seal, A. S. P. to face page 78 The Life-Membership Fund established. Members of the Committee on the Comet-Medal appointed. Minutes of the Meeting of the Society, January 31, 1891 . . 77 77 78 78 78 78 Minutes of a Meeting held November 20, 1890, for the purpose of organizing a Chicago Section of the Society. . List of Members of the Chicago Section, A. S. P. List of new members 79 So Officers of the Society . . Officers of the Chicago Section, A. S. P. Notice to members Publications No. 15, March 28, 1891. The Carleton College Observatory, by Professor W. W. PAYNE, Di rector .. Engraving of the Observatory to face page 85 Engraving of the REPSOLD Meridian Circle. BELL (See, also, pages 223 and 379.) The Fireball in RAPHAEL'S Madonna di Foligno, by Professor H. A. On the Similarity of Certain Orbits in the Zone of Asteroids (Second Astronomical Observations in 1890, by TORVALD KÖHL. Plate of drawings of Sun's spots. Address of the Retiring President of the Society, at the Third Annual The Astronomical Observatory of the University of Alabama. (Fourth) Award of the DONOHOE Comet-Medal (to Dr. R. SPITALER) III Astronomical Instruments in Course of Construction (by FAUTH & The August Meteors, by W. H. S. MONCK. Extracts from letters written by GEORGE P. BOND of Harvard 124 Grant to the Lick Observatory from the Smithsonian Institution 128 Harvard College Observatory Expedition to the Southern Spectroscopic Investigations at the JOHNS HOPKINS University [by Professor H. A. ROWLAND] . Recent Important Publications (list of) . Photographs of the Nebula of Orion with the Great Telescope; note by EDWARD S. HOLDEN. . Books wanted in the Library of the Lick Observatory . Amended Regulations for the Bestowal of the Comet-Medal. Officers elected and Committees appointed for the coming year. 147 Publications No. 16, June 13, 1891. The Solar Corona of January, 1889, from the Photographs, by Pro- Lunar Work for Amateurs, by THOMAS GWYN ELGER, F. R. A. S.. 162 A few hints to Beginners in Solar Observation, by Miss E. BROWN. 172 The Period of the Rotation of the Sun near the Poles, as derived from the Coronas of 1878 and 1889, by Prof. FRANK H. BIGELOW. 201 Full page diagram. (Sixth) Award of the DONOHOE Comet-Medal (to E. E. BARNARD). 216 Visibility of Interference-Fringes in the Focus of a Telescope, by Report made to the Director of the Astronomical Observatory of Tacubaya, in regard to Observations of the Zodiacal Light (trans- Errata in Watson's Theoretical Astronomy, by Prof. G. C. COMSTOCK 223 (See, also, pages 87 and 379.) Observations of the Transit of Mercury, May 9, 1891 Observations of the Solar Eclipse of June 6, 1891, at the Lick Ob- servatory, Mt. Hamilton, by Messrs. HOLDEN, SchaEberle, Bar- The Imperial Observatory of Vienna, by EDWARD S. HOLDEN. 243 Engraving of the 27-inch GRUBB Equatorial. Engraving of the 26-inch CLARK Equatorial . Engraving by DAUMIER "The Earthquake at Bordeaux" Examination of the Lick Observatory Negatives of the Moon, by New Rill on the Floor of the Lunar Crater Thebit, recently dis- covered in the Lick Observatory Photographs of the Moon |
