Stroobant (Paul): : *Les progrès de la photographie astronomique. (Author.) 8vo. Bruxelles, 1907 : *La distribution des étoiles par rapport à la Voie Lactée, d'après la carte et le catalogue photographiques du ciel. (Author.) 4to. Bruxelles, 1908 Switzerland, Schweizerische Geodätische Kommission : Das Schweizerische Dreiecknetz. Band 10. Relative Lotabweichungen. (The Commission.) 4to. Zurich, 1907 Tacubaya, Observatorio Astronómico Nacional: : Carta fotografica del cielo, zone - 16°. (23 charts.) : Observaciones meteorológicas practicadas en los Observa- 4to. México, 1907 Toronto, Royal Astronomical Society of Canada: Journal, Vol. 1, No. 3-6; Vol. 2, No. 1, 2. (Society.) Toronto University : 8vo. Toronto, 1907-1908 Studies, Physical Science Series; papers from the Chemical Laboratories, No. 54-58, 60-72; from the Physical Laboratories, No. 18, 19. Toulouse, Observatoire Astronomique, Magnétique et météorologique : : Carte photographique du Ciel: Zones +5°, +7°, +9 ̊. (11 charts.) (French Minister of Public Instruction.) ... : Annales. . . . Tome 7 .. sous la direction de B. Baillaud. Tramer (Moritz): Die Entdeckung und Begründung der Differential- und Integral- (Bern University.) 8vo. Bern, 1906 Turin, Reale Accademia delle Scienze: : Atti, Vol. 42, No. 7-15. (Academy.) 8vo. Torino, 1907 Uccle, Observatoire Royal de Belgique : Annales... Nouvelle série; Annales Astronomiques. Tome 10; Tome 11, fasc. 1. (Observatory.) : Annales G. Lecointe. 4to. Bruxelles, 1907 Nouvelle série: Physique du Globe. Tome 3, fasc. 3. Travaux publiés par les soins de United States Coast and Geodetic Survey: Report of the Superintendent . . . showing the progress of the work during the year 1906-7. 4to. Washington, 1907 Upsala, Kongliga Vetenskaps Societet : Series 4, Vol. 1, fasc. 2. Valentiner (Wilhelm): Scientiarum Upsaliensis. Svo. Upsaliæ, 1906-1907 Katalog der Sterne zwischen dem Äquator und dem 8 Grad südlicher Deklination 1855, bis zur 8 Grossenklasse für das Aquinoktium 1890. (Turnor and Horrox Fund.) 4to. Karlsruhe, 1903 Vienna, Kaiserliche Akademie der Wissenschaften : : Sitzungsberichte. . . Mathematisch-naturwissenschaftliche Wallace (Alfred Russell): Is Mars Habitable? A critical examination of Professor Percival Lowell's book, "Mars and its Canals," with an alternative explanation. (W. H. Wesley.) Wallace (Robert James): 8vo. London, 1907 8vo. Chicago [etc.], 1907-8 : The autochrom plate: Relation of Astronomical secondary negatives to their originals: Studies in sensitometry, II. The function of a color-filter and isochromatic plate in astronomical photography: Sensitiveness of photographic plates at different temperatures. Wanganui Astronomical Society: Annual Meeting. ... 1907. Washington, Navy Department: 8vo. Wanganui, N.Z., 1907 The American Ephemeris and Nautical Almanac, 1910, 1911. (American Ephemeris Office.) 8vo. Washington, 1906-1907 : Astronomical papers prepared for the use of the American Ephemeris and Nautical Almanac. Vol. 8, pt. 3. (American Ephemeris Office.) 4to. Washington 1905 H. B. Hedrick. Catalogue of Zodiacal Stars for 1900 and 1920, Washington, Philosophical Society: 8vo. Washington, 1907 . 1906: Washington, Smithsonian Institution: 8vo. Washington, 1907 : Smithsonian Contributions to Knowledge. No. 1692, 1718, 1723. (Institution.) 4to. Washington, 1907 : Smithsonian Miscellaneous Collections. No. 1717, 1720, 1721 (Vol. 49); No. 1708, 1725, 1772, 1780 (Vol. 50); 1791 (Vol. 51). : Annals of the Astrophysical Observatory of the Smithsonian Washington, United States Naval Observatory: Synopsis of the Report. . . for the year ending June 30, 1907. (Observatory.) 8vo. Washington, 1908 West Point, United States Military Academy: The Centennial of the United States Military Academy. (Academy.) 2 Vols. 4to. Washington, 1904 Whittaker (Edmund Taylor): The theory of Optical Instruments (Cambridge tracts in mathematics and mathematical physics, No. 7). (Author.) Wolfer (A.): 8vo. Cambridge, 1907 *Über einen neuen Messapparat fur photographische Platten. Ziegler Polar Expedition (the), 1903-1905: Scientific results, obtained under the direction of William J. (Estate of Wm. Ziegler.) 4to. Washington, D.C., 1907 Zeitschrift für Instrumentenkunde. Organ für Mittheilungen aus dem gesammten Gebiete der wissenschaftlichen Technik. Jahrgang 27, Heft 6-12; Jahrg. 28, Heft 1-5. (Turnor and Horrox Fund.) 4to. Berlin, 1907-1908 Zi-ka-wei Observatoire Astronomique de Zô Sè: Annales, Tome 1, fasc. 1. (Observatory.) Zürich, Naturforschende Gesellschaft: Vierteljahrsschrift, Jahrgang 52, Heft 1-4. 4to. Chang-Hai, 1907 8vo. Zürich, 1907-1908 4to. Zürich, 1908 Zürich, Schweizerische meteorologische Centralanstalt : Annalen, 1906. Jahrgang 43. (Institute.) PHOTOGRAPHS, ETC., PRESENTED TO THE SOCIETY. American Philosophical Society-Bronze medal commemorating the Benjamin Franklin bi-centenary. Barnard (E. E.)-Collotype reproductions of photographs of the Milky Way, etc. (36 plates). Cooper (Miss)-Framed lithograph of landscape showing Donati's Comet, from a drawing by Miss Charlotte S. Cooper, Markree Observatory. Dolmage (C. G. J.)-Photographs of Minor Planets, etc., by Prof. Max Wolf, Heidelberg (6 prints). Franks (W. S.)-Photographs of the Great Nebula in Orion and Nebula in Cygnus (lantern slides). Johnson (R. C.)-Photograph of Comet Daniel, d 1907 (print). Knobel (E. B.)-Photographs of the Moon from negatives by M. Puiseux, Paris Observatory (3 transparencies). Lick Observatory-Photograph of the Great Nebula in Orion, taken with the Crossley Reflector by C. D. Perrine (transparency), and photographs of the total solar eclipse, 1908 January 3, taken by the Crocker Eclipse Expedition to Flint Island (3 lantern slides). MacMahon (P.A.)-Portrait of Dmitri Mendeljeff. Royal Observatory, Greenwich.-Photographs of sun-spots, nebulæ, comet d 1907, Jupiter's satellites VI and VII, and Saturn's satellite IX (7 transparencies). Solar Observatory, Mount Wilson. - Spectroheliographs showing hydrogen and calcium flocculi (5 bromide enlargements). Wolf (Max).-Photographs of the northern Milky Way and of Comet d 1907 (18 transparencies). |