Adams 



of the spectroscopic binary r) Orionis, 4 S. 

 (17, 03). — Some miscellaneous radial veloc. 

 determinats. with the Bruce spectrograph, 

 3 S. — Spectrographic observ. of Standard 

 veloc. Stars (m. E. B. Frost), 41 S. — 10 stars 

 whose radial veloc. vary (m. E. B. Frost), 7 S. 

 (18, 03). — 8 Stars whose radial veloc. vary 

 (m. E. B. Frost), 5 S. — Observ. with the Bruce 

 spectrograph (m. E. B. Frost), 7 S. — Radial 

 veloc. of the brighter stars in the Pleiades, 6 S. 

 (19, 04). — Second paper on the cause of the 

 characterist. phenomena of sun-spot spectra 

 (m. G. E. Haie), 20 S. (auch Mt. W. C, 15). — 

 A photogr. comparison of the spectra of the 

 limb & the center of the sun (m. G. E. Haie), 

 11 S. (auch Mt. W. C, 17). — Orbit of the 

 spectrosc. binary ^ Tauri, 4 S. (22, 05). — 

 Some notes on the H & K lines & the motion 

 of the calcium vapor in the sun, 9 S. (23, 06) 

 (auch Mt. Wilson Contr., No. 6). — Photogr. 

 observ. of the spectra of sun-spots (m. G. E. 

 Haie), 34 S. (auch Mt. W. C, No. 5). — Sun-spot 

 lines in the spectra of red stars (m. G. E. Haie), 

 6 S. (23, 06) (auch Mt. W. C, 8). — Preliminary 

 paper on the cause of the characterist. pheno- 

 mena of sun-spot spectra (m. G. E. Haie & H. 

 G. Gale), 29 S. (auch Mt. W. C, 11). — Sunspot 

 lines in the spectrum of Arcturus, 9 S. (24, 06) 

 (auch Mt. W. C, 12). — Spectrosc. observ. of 

 the rotat. of the sun, 22 S. (26, 07) (auch Mt. 

 W. C., 20). — Preliminary catalogue of lines 

 affected in sun-spots, region A 4000 to A 4500, 

 21 S. (auch Mt. W. C, 22). — Preliminary note 

 on the rotat. of the sun as determined fr. the 

 displacements of the hydrogen flocculi, 6 S. 

 (27, 08) (auch Mt. W. C, 24). — Spectroscopic 

 investigations of the rotat. of the sun during 

 the year 1908, 36 S. (29, 09) (auch Mt. W. C, 33). 



— Summary of the results of a study of the 

 Mount Wilson photographs of sun-spot spectra, 

 41 S. (30, 09) (auch Mt. W. C., 40). — An in- 

 vestigat. of the displacements of the spectr. 

 lines at the sun's limb, 32 S. (31, 10) (auch Mt. 

 W. C, 43). — Some results of a study of the 

 spectra of Sirius, Procyon & Arcturus with 

 high dispersion, 8 S. (33, 11) (auch Mt. W. C, 

 50). — Investig. of the spectra of iron & 

 titanium under moderate pressures (m. H. G. 

 Gale), 38 S. (auch Mt. W. C, 58). — Three-prism 

 stellar spectrograph of the Mt. Wilson Solar 

 Observ., 22 S. (35, 12). — Observat. of the 

 spectr. of Nova Geminorum No. 2 (m. A. Kohl- 

 schütter), 29 S. (36, 12) (auch Mt. W. C, 62). 



— On the pressure shift of iron lines (m. H. G. 

 Gale), 4 S. (37, 13). — The relat. intensity at 

 different wave-lenghts of the spectra of some 

 stars having large & small proper motions, 4 S. 

 (39, 14) (auch Mt. W. C, 78). — The radial 

 velocities of 100 stars with measured parallaxes 

 (m. A. Kohlschütter), 9 S. (39, 14) (auch Mt. 

 W. C, 79). — The spectra of 4 of the temporary 

 Stars (m. F. G. Pease), 4 S. (auch Mt. W. C, 

 87). — Some spectral criteria for the deterrai- 

 nat. of absolute stellar magnitudes (m. A. 

 Kohlschütter), 14 S. (40, 14) (auch Mt. W. C., 

 89). — The flash spectrum without an eclipse 

 (m. G. C. Burwell), 31 S. (41, 15) (auch Mt. 

 W. C, 95). — The radial velocities of 500 stars, 

 23 S. (42, 15) (auch Mt. W. C, 105). — The 

 relationship of stellar motions to absolute 

 magnitude (m. G. Strömberg), 13 S. (45, 17) 

 (auch Mt. W. C, 131). — The luminosities & 

 parallaxes of 500 stars (m. A. H. Joy), 27 S. 

 (46, 17) (auch Mt. W. C, 142). — The Cepheid 

 variable SU Cassiopeiae (m. H. Shapley), 5 S. 

 (auch Mt. W. C., 145). — Radial velocity & 

 absolute magnitude (m. G. Strömberg), 4 S. 



Adams. 



(auch Mt. W. C, 146). — The orbit of the spec- |, 

 troscopic binary Boss 46 (m. G. Strömberg), 

 7 S. (47, 18) (auch Mt. W. C, 149). — The 

 motions in space of some stars of high radial 

 velocity (m. A. H. Joy), 7 S. (auch Mt. W. C, 

 163). — The Orbits of 3 spectrosc. binaries (m. 

 A. H. Joy), 10 S. (49, 19) (auch Mt. W. C., 164). 



— The spectr. of Nova Ophiuchi 1919 (m. C. G. 

 Burwell), 6 S. (51, 20) (auch Mt. W. C, 179). 



— The parallaxes of 1646 stars derived by the 

 spectrosc. method (m. A. H. Joy, G. Ström- 

 berg & C. G. Burwell), 82 S. (53, 21) (auch Mt. 

 W. C, 199). — The relationship of absol. 

 magnit. to space-veloc. (m. G. Strömberg & 

 A. H. Joy), 17 S. (54, 21) (auch Mt. W. C., 210). 



— A spectroscopic method of determining the 

 absolute magnitudes of A-type stars & the 

 parallaxes of 544 stars (m. A. H. Joy), 23 S. 

 (56, 22). 



Journ. des Observ.: Some stellar investig. at 

 the Mt. Wilson Observatory, 4 S. (2, 1918). 



Khedivial Obs. Bull.: Photogr. tests of the 

 fig. of the new thirty-inch mirror of the Khediv. 

 Observatory, 6 S. (No. 12, 1914). 



London, Astron. Soc. Month. Not.: Observat. 

 of the later spectrum of Nova Geminorum No 2 

 (m. J. B. Lasby), 3 S. (73, 1913). 



Observatory: The cause of Cepheid variat., 

 2 S. (42, 1919). — Helium lines in novae spectra 

 (m. A. H. Joy), 2 S. (43, 20). 



Pop. Astron,: Evidence regarding the giant 

 & dwarf division of stars afforded by recent 

 Mt. Wilson parallaxes (m. A. H. Joy), 3 S. — 

 Note on the companion of spectral types deter- 

 mined at Harvad & Mt. Wilson (m. A. H. Joy), 

 2 S. (29, 1921). — Spectrosc. notes on some 

 variable stars (m. A. H. Joy), 2 S. (30, 22). 



San Francisco, Pubs. Astron. Soc. Pac: Com- 

 parison of the continuous spectr. of some large 

 & small proper motion stars, 3 S. — Note on 

 the spectr. of Nova Geminorum No. 2 (m. F. G. 

 Pease), 2 S. — Notes on the 100-inch telesc, 

 2 S. — An A- type star of very low luminosity, 

 1 S. — Three stars with bright hydrogen lines, 1 S. 



— Ten spectrosc. binaries, IS. — The spectra 

 of ten stars of very low luminosity (m. F. G. 

 Pease), 1 S. (26, 1914). — Spectr. of the com- 

 panion of Sirius, 2 S. — Note on the spectr. 

 of stars of Harvard types N & R, 1 S. — The 

 spectr. of Nova Lacertae (1910) (m. F. G. Pease), 



1 S. (27, 15). — A spectrosc. method of determ. 

 stellar parallax, 8 S. — Two spectrosc. binaries, 

 IS. — The spectr. of Nova Geminorum No. 2, 

 Febr., 1916 (m. F. G. Pease), 1 S. — Note on 

 Barnard's large proper-motion star, IS. — 

 Some recent spectral parallax determin., 1 S. 

 (28, 16). — Note on the spectr. of omicron 

 ceti (m. A. H. Joy), IS. — Two stars with 

 bright hydrogen lines (m. A. H. Joy), IS. — 

 Five spectrosc. binaries (m. A. H. Joy), IS. — 

 The spectra of some double stars (m. A. H. Joy), 

 IS. — Ten spectrosc. binaries (m. A. H. Joy), 

 IS. — Two stars with remarkable radial veloc. 

 (m. A. H. Joy), 1 S. (29, 17). — The spectr. 

 of Nova Monocerotis (m. A. H. Joy), IS. — 

 Note on Nova Monocer. (m. A. H. Joy), IS. — 

 Note on the identific. of certain bright lines 

 in the spectr. of omicron ceti (m. A. H. Joy), 



2 S. — Mt. Wilson observats. of the spectr. 

 of Nova Aquilae No. 3 (m. A. H. Joy), 3 S. — 

 Spectrosc. notes (m. A. H. Joy), 2 S. (30, 18). — 

 14 spectrosc. binaries (m. A. H. Joy), 3 S. — 

 The structure of the emission bands in the 

 spectr. of Nova Aquilae No. 3 (m. A. H. Joy), 



3 S. — 18 stars with spectra similar to those 

 of the Cepheid variables (m. A. H. Joy), 3 S. — 

 Nova Ophiuchi (m. A. H. Joy), 2 S. — The 



