ADAMS, WALTER S. (with G. E. HALE and H. G. GALE), On the
Cause of the Characteristic Phenomena of Sun-Spot Spectra,
268; (with G. E. HALE), Photographic Observations of the
Spectra of Sun-Spots
Address of the Retiring President of the Society in Awarding
the Bruce Medal to Geheimer Ober-reg. Rath Professor Dr.
HERMANN CARL VOGEL, by S. D. TOWNLEY
AITKEN, R. G., A Double-Star Problem, 70; Double-Star Work
at the Flower Observatory, 174; The Duplicity of the Prin-
cipal Component of 2348, 227; Measures of the Double
Stars Contained in the Mensura Micrometrica of F. G. W.
STRUVE... by THOMAS LEWIS (Review of), 281; The Nebu-
lar Hypothesis, 111; A New Variable Star, 312; New Com-
panions to Two Struve Stars, 251; Note on Σ 2028 (Rej.), 272;
Note on the Comets Discovered at the Lowell Observatory, 83;
Stellar Parallax Work at the Yale Observatory, 275; Three
New Rapid Binaries .
ALBRECHT, SEB., The Spectroscopic Binary Y Ophiuchi, 66; The
Spectroscopic Binary U Aquile
Annular Nebula in Lyra, on the Parallax of the Central Star of
the, by B. L. NEWKIRK
Astronomical Observations in 1905, by TORVALD KÖHL
Astronomical Society of the Pacific:
Annual Meeting of the, with Treasurer's Report, etc.
Awards of the Donohoe Comet-Medal of the .
Bruce Medalists of the
Corresponding Institutions of the
Exchanges of the.
Minutes of Meetings of the
Notice to Members and Correspondents of the
Minutes of Meetings of the Board of Directors of the .
98, 183, 184, 233, 287, 319
Officers of .
Patrons of the
I, 100, 189, 234, 264, 288, 320
A Statement by the President of the, A. O. LEUSCHNER
Award of the Bruce Medal to Professor Dr. HERMANN CARL
VOGEL
Award of the Draper Medal to Director CAMPBELL
Award of the Gold Medal of the Royal Astronomical Society to
BAILEY, S. I., Double Variable Stars
Berkeley Astronomical Department, Notes from the
Binaries, Three New Rapid, by R. G. AITKEN
BLAIR, G. B. (with FRANK SCHLESINGER), Note on Anomalous
Refraction.
BURNS, K., Orbit of the Spectrographic Binary Andromeda
California Earthquake at Ukiah, The, by S. D. TOWNLEY
CAMPBELL, W. W., Appointments to Lick Observatory Staff, 253;
Award of the Draper Medal to, 229; Award of the Gold Medal
of the Royal Astronomical Society to, 142; Changes in the
Personnel of the D. O. Mills Expedition to the Southern
Hemisphere, 85; Coming Total Eclipses of the Sun, 81; The
Crossley Reflector Photographs of Eros, 144; The Death of
Professor LANGLEY, 144; First Catalogue of Spectroscopic
Binaries (with H. D. CURTIS), 62; Seven New Spectroscopic
Binaries (with J. H. MOORE), 308; History of the Naming
of Mt. Hamilton, 225; The Lick Observatory-Crocker Eclipse
Expedition to Spain (with C. D. PERRINE), 13; Observations
of Eclipse Shadow-Bands of August 30, 1905, 131; On the
Earthquake of April 18, 1906, 213; On the Chile Earthquake
of August 16, 1906, 313; Personal Notes, 228; The Radial
Motions of Polaris, 307; Report of the Lick Observatory,
1905, 148; Two Stars Whose Velocities are Variable (with
J. H. MOORE)
Castor, The System of, by H. D. CURTIS
Chamberlin Observatory, Report of, 1905, by H. A. Howe
CHAM PREUX, A. J. (with R. T. CRAWFORD), Elements of Comet
b 1906 (KOPFF)
Color of the Shadows of Jupiter's Satellites Projected on the
Disk of the Planet, by C. D. PERRINE
Comet c 1905 (GIACORINI):
Comet b 1906 (KOPFF), Elements of, by R. T. CRAWFORD and
Comet d 1906 (FINLAY'S Periodic), by E A. FATH
Comet e 1906 (KOPFF), Note on, by R. T. CRAWFORD
Comet Notes, by R. T. CRAWFORD
Comet Notes, by J. D. MADDRILL
Cometary Motion, Two Articles on, by B. L. NEWKIRK
Comet-Medal, Awards of the Donohoe
Comets g and h 1906, by E. A. FATH
Comets Discovered at the Lowell Observatory, Note on the.
by R. G. AITKEN
Coming Total Eclipses of the Sun, by W. W. CAMPBELL
Corrigenda
CRAWFORD, RUSSELL TRACY, Comet Notes, 138; Elements of Comet
b 1906 (KOPFF) (with A. J. CHAMPREUX), 139; An Introduc-
tion to Astronomy. By FOREST RAY MOULTON. (Review), 259;
Note on a Convenient Method of Computing, from Elements,
the Daily Motion of Geocentric Right Ascension and Declina-
tion, 226; Note on Comet c 1905 (GIACOBINI), 82; Note on
Comet e 1906 (KOPFF), 271; Orbit of the Seventh Satellite
of Jupiter
. . 135
CURTIS, HEBER D., First Catalogue of Spectroscopic Binaries
(with W. W. CAMPBELL), 62; The System of Castor
D. O. Mills Expedition to the Southern Hemisphere, Changes in
the Personnel of the, by W. W. CAMPBELL
Daily Motion in Geocentric Right Ascension and Declination,
Note on a Convenient Method of Computing, from Elements,
the, by R. T. CRAWFORD
Double-Star Problem, A, by R. G. AITKEN
Double-Star Work at the Flower Observatory, by R. G. AITKEN. 174
Double Stars:
Duplicity of the Principal Component of Σ 2348, by R. G. AITKEN 227
Measures of the, Contained in the Mensura Micrometrica of
F. G. W. STRUVE. . . by THOMAS LEWIS, Review by R. G.
AITKEN.
New Companions to Two Struve Stars, by R G. AITKEN
Note on 2028 (Rej.), by R. G. AITKEN
Double Variable Stars, by S. I. BAILEY
The California, at Ukiah, by S. D. TOWNLEY
On the, of April 18, 1906, by W. W. CAMPBELL
On the Chile Earthquake of August 16, 1906, by W. W. CAMP-
Observations of Distant, by F. OMORI
On Seismic Motion and Some Relations of Earthquakes to Other
to Spain, by W. W. CAMPBELL and C. D. PERRINE
Eclipse Shadow-Bands of August 30, 1905, Observations of, by
Eclipses of the First Satellite of Jupiter, by S. EINARSON
Eclipses of the Satellites of Jupiter, by J. D. Maddrill
Eclipses of the Satellites of Saturn, Occurring in the Year 1906,
by H. STRUVE
Eclipses of the Sun, Coming Total, by W. W. CAMPBELL
EINARSON, STURLA, Eclipses of the First Satellite of Jupiter
Comparison-Stars, by B L. NEWKIRK
The Crossley Reflector Photographs of, by W. W. CAMPBELL
The Measurement and Reduction of the Photographs of, Macle
with the Crossley Reflector in 1900, by C. D. PERRINE
FATH, E. A., FINLAY'S Periodic Comet, 270; Comets and h 1906 311'
First Catologue of Spectroscopic Binaries, by W. W. CAMPBELL
and H. D. CURTIS
62
Five-Foot Reflector of the Solar Observatory, The, by G. E. HALE. 224
FLINT, A. S., A Test of a Transit Micrometer, by JoHN F. HAY-
FORD (Review)
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GALE, HENRY G., On the Cause of the Characteristic Phenomena
of Sun-Spot Spectra (with G. E. HALE and W. S. ADAMS)
General Notes
88, 170, 230, 254, 275, 315
Greenwich Observatory, Report of
HALE, GEORGE E., The Five-Foot Reflector of the Solar Observa-
tory, 224; Height of the Hydrogen Flocculi, 221; Identification
of Faint Lines in the Spectra of Sun-Spots, 222; New Mem-
bers of the Staff of the Solar Observatory, 228; Note on the
Level of Sun-Spots, 250; On the Cause of the Characteristic
Phenomena of Sun-Spot Spectra (with W. S. ADAMS and
H. G. GALE), 268; A 100-inch Mirror for the Solar Observa-
tory, 272; Organization of the Computing Division of the
Solar Observatory, 223; Photographic Observations of the
Spectra of Sun-Spots (with W. S. ADAMS), 76; A Programme
of Solar Research, 59; Report of the Solar Observatory of
the Carnegie Institution of Washington, 1905, 156; A Road
to Mt. Wilson, 251; Smithsonian Expedition to Mount Wilson,
229; Some Tests of the Snow Telescope.
Harvard Five-foot Reflector, The, by S. D. TOWNLEY
HOWE, H. A., Report of Chamberlin Observatory, 1905
HUSSEY, W. J., The Lick Observatory-Crocker Eclipse Expedi-
Hydrogen Flocculi, Height of the, by G. E. HALE
International Latitude Observatory, Ukiah, Report of, 1905, by
S. D. TOWNLEY
Eclipses of the First Satellite of, by S. EINARSON
Eclipses of the Satellites of, by J. D. MADDRILL
Fifth Satellite of. The, by S. D. TowNLEY
Orbit of the Sixth Satellite of, by C. D. PERRINE
Orbit of the Seventh Satellite of, by R. T. CRAWFORD
Reobservation of the Seventh Satellite of, by C. D. PERRINE
Reobservation of the Sixth Satellite of, by C. D. PERRINE
The Sixth and Seventh Satellites of, at the Opposition of
1905-1906, by C. D. PERRINE
Color of the Shadows of the Satellites of, Projected on the Disk
of the Planet, by C. D. PERRINE
KÖHL, TORVALD, Astronomical Observations in 1905
LANGLEY, S. P., Note on the Death of, by W. W. CAMPBELL
Latitude of Ukiah before and after April 18, 1906, The, by S. D.
TOWNLEY
LEUSCHNER, A. O., Report of Students' Observatory, Berkeley,
1905, 164; Seismological Stations in California, 218; A State-
ment by the President of the Society.
Lick Observatory:
Appointments to the Staff of
Crocker Eclipse Expedition to Egypt, by W. J. HUSSEY
Crocker Eclipse Expedition to Spain, by W. W. CAMPBELL and
C. D. PERRINE
Honors for Members of the Staff of
Report of, 1905, by W. W. CAMPBELL
Seismograph Record of April 18, 1906, by J. D. MADDRILL
Stability of the 36-Inch Equatorial of the, by R. G. AITKEN
(See, also, Mount Hamilton.)
Lowell Observatory, Report of, 1905, by PERCIVAL LOWELL
LOWELL, PERCIVAL, Report of Lowell Observatory, 1905
LUNA, ROSO DE, Total Solar Eclipses (Shadow-Band Apparatus).
MADDRILL, JAMES D., Comet a 1906 (BROOKS), 84; Comet Notes,
134; Eclipses of the Satellites of Jupiter, 67; Lick Observa-
tory Seismograph Record of April 18, 1906, 212; Note on the
Variable Velocity and the Period of SU Cygni, 252; Nova
Aquila, No. 2, 69, 310; Photometer Observations of B. D.+
51°.3676, 312; Rainfall at Mount Hamilton
MCNEILL, MALCOLM, Planetary Phenomeno. 55, 128, 209, 247, 265,
MOORE, J. H., Seven New Spectroscopic Binaries (with W. W.
CAMPBELL), 308; Note on the Recent Observations of the
Radial Velocities of a Draconis, 66; The Spectroscopic Binary
λ Hydra, 67; Two Stars Whose Velocities are Variable (with
W. W. CAMPBELL), 137; Untersuchungen an den Spektren der
helleren Gasnebel, von J. SCHEINER und J. WILSING (Review) 176
History of the Naming of, by W. W. CAMPBELL
Rainfall at, by J. D. MADDRILL
Mount Wilson:
Smithsonian Expedition to
Naval Observatory, Mare Island, Report of, 1905, by T. J. J. SEE. 156
Nebular Hypothesis, The, by R. G. AITKEN
NEWKIRK, BURT L., Eros Comparison-Stars, 317; Motions of the
Inner Planets, 316; On the Parallax of the Central Star of the
Annular Nebula in Lyra, 140; A Review of Certain Researches
on Radio-activity that have a Bearing upon Astronomical
Questions, 289; Stereoscopic Determinations of Proper
Motion, 254; Two Articles on Cometary Motion
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