52 ASTRONOMY 

 5231 THE UNIVERSE. 



5231 Laplace, P. S. de, Marquis. The System of the world. 

 2 vols. Dubl. 1830. 



Lowell, P. Evolution of worlds. New York 1909. 



5232 SOLAR SYSTEM. 



Poor, C. L. The Solar system, a study of recent obser- 

 vations. Lond. 1908. 

 Nasmyth, J., and Carpenter, J. The Moon considered 

 . as a planet, a world, and a satellite. Lond. 1874. 



Neison, E. The Moon and the condition of its surface. 



Lond. 1876. 

 Proctor, R. A. The Moon, her motions, aspect, scenery 



and physical conditions. 

 Blagg, M. A. Collated list of lunar formations. 



Edin. 1913. 



Clerke, E. M. The Planet Venus. Lond. 1893. 



Cerulli, V. Marte nel 1896-1897. Collurania 1898. 



Lowell, P. Mars as the abode of life. New York 1909. 

 Simpson, R. A. Tables of the four great satellites of 

 Jupiter. Lond. 1910. 



Proctor, R. A. Saturn and its system. Lond. 1865. 

 Nichol, J. P. The Planet Neptune. Edin. 1848. 



An got, A. The Aurora borealis. Lond. 1896. 



Ball, Sir R. S. The Story of the sun. Lond. 1893. 

 Nodon, A. L' Action electrique du soleil. Paris 1910. 

 Pringsheim, E. Vorlesungen iiber die Physik der 

 Sonne. Leip. 1910. 



Proctor, R. A. The Sun. Lond. 1871. 



Young, C. A. The Sun. Lond. [1895]. 



Newcomb, S. The Sun's thermal radiation. 



Philad. 1908. 



'5 2 373 Adams, W. S. The Kotation period of the sun. 



Wash. 1911. 



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