ce in New South Wales. J 870.— Proposed correction to the assumed lon- 

 gitude of the Sydney Observatory. 1878.- Results of observations of co- 

 mets I. and II., 1888. On the high tides of June 15-17, 1889. - On the 

 probability of extraordinary high springtides about the December Solsti- 

 ce of 1893. — Results of observations of Wolfs comet (II.) 1891, Swift's 

 Comet (I.) 1892, and Winneti e's periodical Comet, 1892, at Windsor. - On 

 the Cometin the Constellation Andromeda. 1892,-Results of observations, 

 of Comet VI. (Broocks) lK92.-Observations and orbit elements of Comet 

 Gale, 1894. - Observations of the Transit of Venus. 1874, Dec. 8-9. - Ob- 

 servations of phenomena of Jupiter's satellites in 1888, 1890, 1892, 1896 & 

 1897. Double star measures in 1889, 90, 91, 92, 93, 94, 95 & 96. Observa- 

 tions of phenomena of Jupiter's satellites in 1895 and Result of Microme- 

 ter comparisons of Saturn and K Virginis, May. 1895.- The Conjunction of 

 Venns and Jupiter, April 7, 1891,-Results of filar micrometer compari- 

 sons of Saturn with 96 Virginis, and of Ceres with neighbouring stars in 

 1895. -Result of micrometer-comparisons of Uranus and as Librae. Oct. 

 5, 1894. Observation of a dayligt occultation of Antares, Oct. 31, 1894.— 

 Results of micrometer comparisons of Saturn and x' Virginis in April 1893. 

 —Observations of Minor Planets at Windsor in 1896.— Observations- of Mi- 

 nor Planet ( 8 ) Flora in 1896. - Observations of Mars and s Aquarii near 

 their conjunction of Nov. 4, 1892.- Observations of Comet a 1888 (Sawer- 

 thal). — Observations of Comet Coddington (c 1898). 

 Tedeschi V. -Variazioni della deelinazione magnetica osservate nella R. Speco- 

 la di Capodimonte negli anni 93-94-95-90-97.— Napoli. 8° II. Osservatorio 

 di Capodimonte. 

 Tellez Pizarro (A.), M. S. A.-Apuntes acerca de los cimientos de los edificios 



en la ciudad de Mexico. Mexico, 1899. 8? lams. 

 Tisserand P., M. S. A.-Lecons sur la determination das orbites, professees a 

 la Paculte des Sciences. Rediges par J. Perchot; avee un Preface de H. 

 Poincare.— Paris, Gautlucr-Villars. 1899. 4'.» 

 Truchot (P. ) L'Eclairage a incandescence par les gaz et les liquides gazeifies. 

 (Bibliotheque de la Revue generate des Sciences).— Paris, Carre et Naud 

 1899. 8'.' fig. 

 Uribe Troncoso (Dr. M.), M. S. A. -La determination de la refraction por los 



metodos objetivos y subjetivos.— Mexico, 1899. 8? 

 Vallier (Le Commandant) L'Artillerie. Materiel.— Organisation.— Paris, (Bi- 

 bliotheque de la Rev. gen. des Sc.) Carre et Naud, 1899. 8? figs. 

 Wisconsin Geological and Natural History Survey. E. A. Birge, Director. Bulle- 

 tin nos. 1 & 2. Madison, Wis. 1898, 8? fig. & pi. 

 Zcnger Prof. E. W., M. S. A.-Die Meteorologie der Sonne und das Wetter im 

 Jahre 1889, zugleich Wetterprognosse fiirdas Jahr 1899.— Prag 1899 8" 

 1 taf. 

 Zentella A-Catalogo de los productos agricolas e industriales que el Gobierno 

 del Estado de Tabasco envia a la Exposition de Paris que se celebrara el. 

 afio de 1900.— San Juan Bautista, 1899. 8? 



