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3. This Board shall facilitate the erection thereon within ten years of an Astronomical Observatory, according to plans which shall be approved by the City Architect and the Commissioner of Parks.

4. Should the land and buildings cease to be occupied by the Royal Astronomical Society and the University of Toronto, for the purposes herein specified, the same, together with all improvements, shall thereupon revert to, and become the property of the City, without any cost or charge, and may be used by it for such purposes as may then be determined.

5. The City shall maintain the park, and also any portion of the site allotted to the Observatory, which is not in actual use for the purposes of the observatory, the citizens being allowed the use of this unoccupied portion on the same conditions as obtain for the rest of the park.

6. No fence shall be erected upon the property, and no physical change shall be made thereto without first having obtained the consent of the City.

7. The University shall maintain the observatory. The Government of it shall be vested in a Board of Management, consisting of seven members. The Professor of Astronomy in the University shall be ex officio the Chairman of this Board, and three members shall be nominated annually by the Board of Governors of the University, two by the Council of the Astronomical Society, and one by the City.

8. The citizens shall be admitted to the observatory on conditions to be approved from time to time by the Board of Management.

9. The Royal Astronomical Society shall be provided with accommodation for its library, and for the storage of its instruments in the building.

10. The Society shall maintain the library, and shall allow the citizens to use it on conditions similar to those of the Toronto Public Library.

11. The Society shall have accommodation for its regular and general meetings, and on other occasions, as approved by the Board of Management.

The site is situated on the east side of Bathurst St., about half a mile north of St. Clair Avenue, and at present is not within the City limits. The entire property contains ten acres and it is well suited to the purpose in view. Now that the site is assured the Committee is endeavouring to discover some person or persons of means who will erect the building. As the one who does this will confer a peculiar favour upon the community and, at the same time, secure an honourable fame for himself through the discoveries which will be made at the observatory, it is confidently believed that the required funds will be forthcoming.


Dr. Otto Klotz, Director of the Dominion Observatory, Ottawa, has been appointed the representative of Canada on the "Committee on Magnetic Surveys, Charts and Secular Variation" of the International Geodetic and Geophysical Union, recently formed at Brussels.


Most of the illustrations in this issue are from blocks generously loaned by Popular Astronomy, the Astrophysical Journal and the Publications of the Astronomical Society of the Pacific, to whom our thanks are given. We learn with regret, though not with surprise, that the first-named magazine finds it necessary to increase its subscription price. We hope this will not cause any to cease taking this admirable periodical. As for "our" JOURNAL, we could not publish it were it not for grants received for the purpose, and even with this assistance the increased cost of publishing has made it difficult to print the material available. A doubling of our membership would relieve the stringency.

C. A. C.

of Novae

(Adams), 73.
American Astronomical Society, 23rd
Meeting, R. E. DeLury, 431
Annual Meeting Report, 133.
Apparent Size, Stellar Magnitude
(Query), 30.

Appointments of Astronomers, 298,

Armstrong, Late Charles H., 255.
Astronomical and Civil Time (Note),
255, 296.

Astronomical Notes, 27, 73, 154, 207,

251, 294, 338, 426, 464.
Astronomy, Review of, in 1918, A. F.
Miller, 81.

Astrophysical Observatory, Dominion,
Notes from, 59, 146, 191, 372.
Atmospheric Haze and Solar Rotation,
H. H. Plaskett, 391; R. E. De Lury,

Atmospheric Tides (Chapman), 158.
Atom, The Nitrogen, a Compound,

Aurora at Low Altitude, 429; see also
Notes from the Meteorological Ser-

Chant, C. A., Andrew Elvins, 98; Ob-
servatory for Toronto, 299, 467;
See also Notes and Queries.

Comets, Two New, in 1918, 31; Dis-
covery of (Metcalf), 388.
Copernicus, A. D. Watson, 264.


Dark Markings of the Sky (Barnard),

Deaths, E. C. Pickering, 160, 165; G.

G. Pursey, Angus Sinclair, 164.
De Lury, R. E., Twenty-third Meeting
of A.A.S., 431; Nature of a suspected
Rotation of the Sun, 449.
Denning, W. F., Observation of
Meteors and Computation of Their
Real Paths, 367.

Denison, F. Napier, Earthquake of
December 6, 1918, 203.

Dodge, G. B., Magnetic Results, 1917,
183; 1918, 233.

Dominion Observatory at Ottawa,
Otto Klotz, 1.

Dominion Observatory, Notes from,

Double, An Interesting, J. S. Plaskett,



Binaries, Spectroscopic: J. B. Cannon,
Boss 1275, 55; W. E. Harper, Nu
Geminorum, 179; 50 Draconis, 236,
Three New Spectroscopic Binaries,
237; Iota Delphini, 452; Boss 4507,
455; J. S. Plaskett, H.R. 8170, 174;
R. K. Young, 12 Lacertae, 45, 1
Geminorum, 403; Boss 4669, 408;
Lists of New, J. S. Plaskett and R. K.
Young, 59, 191, 372; An Interesting
Double, J. S. Plaskett, 146.
"Binary Stars, The", Publisher of, 80.
Binary Systems, Evolution of (Jeans),


Book Reviews, 337, 379, 380.


Cannon, J. B., Spectroscopic Binary
Boss 1275, 55.

Earthquake, off Vancouver I., De-
cember 6, 1918, 69, 203; Records of
Earthquakes, 25, 67, 150, 202, 249,
290, 334, 383, 424, 463.
Einstein's Theory of Relativity, 426,

Elvins, Andrew, C. A. Chant, 98; John
A. Paterson, 122; A. F. Miller, 123;
James L. Hughes, 128; D. J. Howell,
129; A. D. Watson, 130.
Evolution of Binary Systems (Jeans),

Eye and Ear Observations, Otto Klotz,
External Galaxies, On the Existence of,
H. Shapley, 438.


French, C. A., Magnetic Survey Re-
port, 1918, 411.


Gegenschein, (Barnard), 156.
Geodetic Survey Report (Note), 213;
Construction work in 1919, 447.
Gill, Sir David, John A. Paterson, 343.
Gravitation, Illustration of, (Whitmell),

Gravitation, Action on Light, 426, 464.


Harper, W. E., Nu Geminorum, 179; 50 Draconis, 236; Three New Spectroscopic Binaries, 237; see 372; Iota Delphini, 452; Boss 4507, 455. Haze and Solar Rotation, in 1915, H. H. Plaskett, 391; R. E. DeLury, 449. Herbert, W. H., Nomogram Showing

Duration of Sunlight, 369.

Howell, D. J., Recollections of Andrew Elvins. 129.

Hughes, James L., Recollections of Andrew Elvins, 128.


Island Universes, The Problem of, H. Macpherson, 360; H. Shapley, 207, 438.


Jackson, W. E. W., See Notes from the Meteorological Service.

Jeans, J. H., Present Position of the Nebular Hypothesis, 215.


King, E. S., E. C. Pickering, 165. Klotz, Otto, Dominion Observatory at Ottawa, 1; Eye and Ear Observations, 128; Observatories in Canada, 322.


Life in Other Worlds (Query), 160. Light, Action of Gravitation on, 426, 464.

Lightning, Globular, 299.

Lille Observatory under the Germans, 387.

Loss to Astronomy, A Great (C.A.C.), 160.


Macpherson, Hector, The Problem of
Island Universes, 360.

Magnetic Polarity of Sunspots, 341.
Magnetic Records, 23, 71, 152, 201,
250, 288, 384, 425, 463.
Magnetic Results, G. B. Dodge, 183, 233.
Magnetic Survey Report, 1918, C. A.
French, 411.

Meetings of the Society, Annual, 132;

Regular, at Montreal, 20; at Toronto, 18, 57, 185, 239, 283, 419, 458; at Victoria, 244.

Messages to the Stars (Note), 213. Meteorite, the Richardton, 163. Meteorological Service, Notes from, 21, 65, 148, 199, 247, 286, 333, 381, 422, 461. Meteor Observations and Computation of Real Paths, W. F. Denning, 367. Miller, A. F., Astronomy in 1918, Presidential Address, 81; Andrew Elvins, 123.

Moon, A Young, seen at 11 p.m., 79. Motherwell, R. M., Nova Aquilæ, No. 3, 16, 212; Variable Star 4 Aquilæ, 190.


Navigation, The New, L. B. Stewart, 303.

Nebulae Separate Universes (C.A.C.) 186.

Nebular Spectrum, A New Type of, C. A. C., 78.

Nebular Hypothesis, Present Position of, J. H. Jeans, 215; see also 186, 207, 438. Nomogram Showing Duration of Sunlight, W. H. Herbert, 369.

Notes and Queries, C. A. C., 30, 78, 160, 212, 255, 298, 341, 388, 427, 467. Nova Aquila No. 3, R. M. Motherwell, 16, 212; (Cortie), 340; (Miller), 420, 421. Novæ, Absorption Spectrum of, (Adams), 73; Theory (Pickering), 295.


Observatories in Canada, Otto Klotz,

Observatory Club, Ottawa, 31, 429.
Observatory, Dominion, at Ottawa,
Otto Klotz, 1.

Observatory Proposed for Toronto,
299, 467.

Observatory, Lille under the Germans,

Observing, Atmospheric Conditions
for, (Pickering), 340.

Ogilvie, N., Constructive work of the
Geodetic Survey for 1919, 447.


Paris Foot in Quebec, 257.
Paterson, John A., Sir David Gill, 343;

Andrew Elvins, 122.

Pickering, Death of E. C., C. A. C.,

160; E. S. King, 165.
Plaskett, H. H., Atmospheric Haze and
Solar Rotation in 1915, 391.
Plaskett, J. S., An Interesting Double,
146; The Spectroscopic Binary H.R.
8170, 174.

Plaskett, J. S. and Young, R. K., Lists
of Spectroscopic Binaries, 59, 191,

Polarization in Nebula (Meyer), 294.
Printers, Our New, 342.

Proper Motion by the Stereoscopic
Method, 32.

Puzzling Phenomenon with a Simple
Explanation, 390.

[blocks in formation]

Shapley, H., The Sidereal Universe,
207; On the Existence of External
Galaxies, 438.

Snow Colored by Dust (Winchell and
Miller), 76.

Spectroscopic Binaries, see Binaries.
Stars, Messages to (Marconi), 213.
Stewart, L. B., The New Navigation,
303; (Book Review), 379.
Stonehenge, Views of, 427.
Stupart, Sir Frederic; Variability of
Corresponding Seasons in Different
Years, 259; see 241.

Sun, Radiation and Temperature,
John Satterly, 33.

Sun, Remarkable Solar Glows, 342.
Sunset in the Golden Gate, C. E. Wood-
man, 317.

Sunspots, Magnetic Polarity, 341.


Telescopes which “Did their Bit", 251.
Time, Unification of Astronomical and
Civil, 255, 296.


Universe, Sidereal, 207; Problem of
Island, 360, 438.


Variability of Corresponding Seasons
in Different Years, Sir Frederic
Stupart, 259.

Variable Star, A New, R. M. Mother-
well, 190.


Watson, A. D., Andrew Elvins, 130;
Copernicus, 264.

Weather Controls (Stupart), 241.
Woodman, C. E., Sunset in the Golden
Gate, 317.


Young, R. K., The Spectroscopic
Binary 12 Lacertæ, 45; 1 Gemin-
orum, 403; Boss 4669, 408. See
also Plaskett, J. S. and Young, R. K.
Zeebrugge and the Moon, 79.

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