is;
Contents of Annals of Harvard College Cbservatory. F irst edition. Cambridge,
Mass. Published by the Cbservatory. 1911. In 4°.
36 pp.
Circulars. Cambridge, Mass. Published by the Cbservatory. In 4°.
N°. 1 to 50. 1895-1900.
N°. 51 to 100. 1900-1905.
N°. 101 to 176. 1905-1912.
Bulletin. N°. 501-511. 1912.
Annual Report of the Director of the Astronomical Observatory of Harvard
College. Report L IX -L X V I. 1904-1912.
Report of the Harvard Astrophysical Conference. August 1898, by M. B. Snijdcr.
Lancaster, Pa. 1898. In 8°.
1 pl. 32 pp.
Astronomical Observatory of Harvard College. Miscellaneous papers. 1888-1895.
Cambridge, Mass. U. S. A. 1896. In 8°.
15 pp.
A plan for the endowment of Astronomical research, by E. C. Pickering,
Cambridge, Mass. In 8°.
N°. 1. 2. 1903.
The Astronomical Observatory of Harvard College. Second thousand. Cambridge,
Mass. In 8°.
2 pl. 15 pp.
Harvard College Observatory. Telegraphic Cipher Code. Cambridge. 1906.
In 8°.
15 pp.
Astronomical Observatory of Yale University. New Haven.
Transactions.
Vol. I - I I . 1887/1904-1912.
United States Naval Observatory Washington. Ad pag. 977. HI.
Publications. In 4°.
2 Series. Vol. I -V I I . 1900-1911.
Report of the Superintendent of the United States Naval Observatory for the
fiscal years ending. June 30, 1 9 0 4 -Ju n e 30, 1912.
Washburn Observatory of the University of Wisconsin, Madison. Ad
pag. 710. I.
Publications. Vol. XI. 1902. Vol. XII. P a rt I. 1908.
University of California, Sacramento. Ad pag. 976. HI.
Publications of the Lick Observatory.
Vol. VI. 1903. Vol. VIII. 1908. Vol. IX. 1907-1911. Vol. X. 1907.
Contributions from the Lick Observatory. Sacramento. In 8°.
N°. I -V . 1889-1895.
University of California Publications. Astronomy. Berkeley. The University
Press. In i°.
Lick Observatory Bulletins.
Vol. IV. N°. 90 to 130. 1905-1908.
V. N°. 131 to 175. 1908-1910.
” VI. N°. 176 to 206. 1910-1911.
VII. N°. 207 to 223. 1912.
Aitken, J. Did the tail of Hailey’s Comet affect the e arth ’s atmosphere?
Proo. Roy. Soo. Edin. Vol. .SO. 1910.
„ „ The sun as a fog producer.
Proc. Roy. Soc. Edin. Vol. 30. 1912.
Alemán, S. Observaciones de latitud en Apam practicadas por la Comisión
Geodésica [Método de Talcott].
Soc. Cient. Ant. Alzate. T. 20.
„ „ Estudio comparativo de los métodos de Talcott, Bessel y „Mexicano
para determinar la latitud.
Soc. Cient. Ant. Alzate. T. 24.
Alexander, A. Observations astronomiques faites au Spitsberg, par l’Expedition.
Isachsen 1909-1910 et calculées par -
Vidensk. Selsk. Christiania. Skr. Math. Natv. Kl. 1911.
Ball, L. de. Theorie der Drehung der Erde.
Denkschr. Wiener Akad. Bd. 81. 1908.
Baxandall, F. E. and Lockyer, N. The spectrum of y Cygni.
Phil. Trans. A. Vol. 201. 1903.
Becker, L. The distribution of blue-violet light in the solar corona on August 30,
1905 as derived from photographs taken at Kalaa- es- Senam,
Tunisia.
Phil. Trans. A. Vol. 207. 1908.
Beresteyn, M. H. Getijconstanten voor plaatsen längs de ku sten en beneden-
rivieren in Nederland berekend uit de waterstanden van h e t ja a r 1906.
Verh. K. Ak. Wet. Amsterdam. 1 Sect. Dl. 11. 1911.
Borchardt, H. Zur Theorie der Himmelshelligkeit.
Sohr. Natw. Verein. Kiel. Bd. 14.
Bonqnet de la Grye, A. Le passage de Venus su r le soleil en 1882.
Mém. Ao. Sc. Paris. 2. S. T. 48. 1905.
Brcster Jz., A. Théorie du Soleil.
Verh. K. Ak. Wet. Amsterdam. 1 Sect. Dl. 1. 1893.
„ „ Essai d’une explication du mécanisme de la périodicité dans le
soleil et les étoiles rouges variables.
Verh. K. Ak. Wet. Amsterdam. 1 Sect. Dl. 9. 1908.
Brcziua, A. Meteoritenstudien. III. Zur Frage der Bildungsweise eutropisoher
Gemenge.
Denksohr. Wiener Akad. Bd. 78. 1906.
I I